Tag 0.9.24

When we are swapping packages, we do not run the solver to gather things
to install, but we trust the given list when calling computeInstall. In this case, the assertion
returned by computeInstall is empty, as we force l.Options.NoDeps.

This change generates the assertion list while calling computeSwap so
it's available later when we call ExecuteFinalizer.

README.md

@@ -1,13 +1,14 @@
 # luet - Container-based Package manager
+
 [![Docker Repository on Quay](https://quay.io/repository/luet/base/status "Docker Repository on Quay")](https://quay.io/repository/luet/base)
 [![Go Report Card](https://goreportcard.com/badge/github.com/mudler/luet)](https://goreportcard.com/report/github.com/mudler/luet)
 [![Build Status](https://travis-ci.org/mudler/luet.svg?branch=master)](https://travis-ci.org/mudler/luet)
 [![GoDoc](https://godoc.org/github.com/mudler/luet?status.svg)](https://godoc.org/github.com/mudler/luet)
 [![codecov](https://codecov.io/gh/mudler/luet/branch/master/graph/badge.svg)](https://codecov.io/gh/mudler/luet)
 
-Luet is a multi-platform Package Manager based off from containers - it uses Docker (and other tech) to sandbox your builds and generate packages from them. It has zero dependencies and it is well suitable for "from scratch" environments. It can also version entire rootfs and enables delivery of OTA-alike updates, making it a perfect fit for the Edge computing era and IoT embedded devices.
+Luet is a multi-platform Package Manager based off from containers - it uses Docker (and others) to build packages. It has zero dependencies and it is well suitable for "from scratch" environments. It can also version entire rootfs and enables delivery of OTA-alike updates, making it a perfect fit for the Edge computing era and IoT embedded devices.
 
-It offers a simple [specfile format](https://luet-lab.github.io/docs/docs/concepts/specfile/) in YAML notation to define both packages and rootfs. As it is based on containers, it can be used to build seed stages for Linux From Scratch installations and it can build and track updates for those systems.
+It offers a simple [specfile format](https://luet-lab.github.io/docs/docs/concepts/packages/specfile/) in YAML notation to define both [packages](https://luet-lab.github.io/docs/docs/concepts/packages/) and [rootfs](https://luet-lab.github.io/docs/docs/concepts/packages/#package-layers). As it is based on containers, it can be also used to build stages for Linux From Scratch installations and it can build and track updates for those systems.
 
 It is written entirely in Golang and where used as package manager, it can run in from scratch environment, with zero dependencies.
 
@@ -16,20 +17,36 @@ It is written entirely in Golang and where used as package manager, it can run i
 - Luet can reuse Gentoo's portage tree hierarchy, and it is heavily inspired from it.
 - It builds, installs, uninstalls and perform upgrades on machines
 - Installer doesn't depend on anything ( 0 dep installer !), statically built
+- You can install it aside also with your current distro package manager, and start building and distributing your packages
 - Support for packages as "layers"
-- It uses SAT solving techniques to solve the deptree ( Inspired by [OPIUM](https://ranjitjhala.github.io/static/opium.pdf) )
+- [It uses SAT solving techniques to solve the deptree](https://luet-lab.github.io/docs/docs/concepts/constraints/) ( Inspired by [OPIUM](https://ranjitjhala.github.io/static/opium.pdf) )
+- Support for [collections](https://luet-lab.github.io/docs/docs/concepts/packages/collections/) and [templated package definitions](https://luet-lab.github.io/docs/docs/concepts/packages/templates/)
+- [Can be extended with Plugins and Extensions](https://luet-lab.github.io/docs/docs/concepts/plugins-and-extensions/)
+- [Can build packages in Kubernetes (experimental)](https://github.com/mudler/luet-k8s)
 
 ## Install
 
-To install luet, you can grab a release on the [Release page](https://github.com/mudler/luet/releases) or compile it in your machine (requires Golang installed):
+To install luet, you can grab a release on the [Release page](https://github.com/mudler/luet/releases) or to install it in your system:
 
-    $ git clone https://github.com/mudler/luet.git
-    $ cd luet
-    $ make build
+```bash
+$ curl https://get.mocaccino.org/luet/get_luet_root.sh | sudo sh
+$ luet search ...
+$ luet install ..
+$ luet --help
+```
 
-## Status
+## Build from source
 
-Luet is not feature-complete yet, it can build, install/uninstall/upgrade packages - but it doesn't support yet all the features you would normally expect from a Package Manager nowadays.
+```bash
+$ git clone https://github.com/mudler/luet.git
+$ cd luet
+$ make build
+```
+
+## Documentation
+
+[Documentation](https://luet-lab.github.io/docs) is available, or
+run `luet --help`,  any subcommand is documented as well, try e.g.: `luet build --help`.
 
 # Dependency solving
 
@@ -48,10 +65,6 @@ when they arises while trying to validate your queries against the system model.
 
 To leverage it, simply pass ```--solver-type qlearning``` to the subcommands that supports it ( you can check out by invoking ```--help``` ).
 
-## Documentation
-
-[Documentation](https://luet-lab.github.io/docs) is available, or
-run `luet --help`,  any subcommand is documented as well, try e.g.: `luet build --help`.
 
 ## Authors
 

cmd/build.go

@@ -36,9 +36,30 @@ import (
 var buildCmd = &cobra.Command{
 	Use:   "build <package name> <package name> <package name> ...",
 	Short: "build a package or a tree",
-	Long:  `build packages or trees from luet tree definitions. Packages are in [category]/[name]-[version] form`,
-	PreRun: func(cmd *cobra.Command, args []string) {
-		viper.BindPFlag("clean", cmd.Flags().Lookup("clean"))
+	Long: `Builds one or more packages from a tree (current directory is implied):
+
+	$ luet build utils/busybox utils/yq ...
+	
+Builds all packages
+	
+	$ luet build --all
+	
+Builds only the leaf packages:
+	
+	$ luet build --full
+
+Build package revdeps:
+	
+	$ luet build --revdeps utils/yq
+
+Build package without dependencies (needs the images already in the host, or either need to be available online):
+
+	$ luet build --nodeps utils/yq ...
+
+Build packages specifying multiple definition trees:
+
+	$ luet build --tree overlay/path --tree overlay/path2 utils/yq ...
+`, PreRun: func(cmd *cobra.Command, args []string) {
 		viper.BindPFlag("tree", cmd.Flags().Lookup("tree"))
 		viper.BindPFlag("destination", cmd.Flags().Lookup("destination"))
 		viper.BindPFlag("backend", cmd.Flags().Lookup("backend"))
@@ -49,10 +70,12 @@ var buildCmd = &cobra.Command{
 		viper.BindPFlag("compression", cmd.Flags().Lookup("compression"))
 		viper.BindPFlag("nodeps", cmd.Flags().Lookup("nodeps"))
 		viper.BindPFlag("onlydeps", cmd.Flags().Lookup("onlydeps"))
+		viper.BindPFlag("values", cmd.Flags().Lookup("values"))
 
 		viper.BindPFlag("image-repository", cmd.Flags().Lookup("image-repository"))
 		viper.BindPFlag("push", cmd.Flags().Lookup("push"))
 		viper.BindPFlag("pull", cmd.Flags().Lookup("pull"))
+		viper.BindPFlag("wait", cmd.Flags().Lookup("wait"))
 		viper.BindPFlag("keep-images", cmd.Flags().Lookup("keep-images"))
 
 		LuetCfg.Viper.BindPFlag("keep-exported-images", cmd.Flags().Lookup("keep-exported-images"))
@@ -64,7 +87,6 @@ var buildCmd = &cobra.Command{
 	},
 	Run: func(cmd *cobra.Command, args []string) {
 
-		clean := viper.GetBool("clean")
 		treePaths := viper.GetStringSlice("tree")
 		dst := viper.GetString("destination")
 		concurrency := LuetCfg.GetGeneral().Concurrency
@@ -75,6 +97,8 @@ var buildCmd = &cobra.Command{
 		databaseType := viper.GetString("database")
 		compressionType := viper.GetString("compression")
 		imageRepository := viper.GetString("image-repository")
+		values := viper.GetString("values")
+		wait := viper.GetBool("wait")
 		push := viper.GetBool("push")
 		pull := viper.GetBool("pull")
 		keepImages := viper.GetBool("keep-images")
@@ -83,7 +107,6 @@ var buildCmd = &cobra.Command{
 		keepExportedImages := viper.GetBool("keep-exported-images")
 		onlyTarget, _ := cmd.Flags().GetBool("only-target-package")
 		full, _ := cmd.Flags().GetBool("full")
-		skip, _ := cmd.Flags().GetBool("skip-if-metadata-exists")
 		concurrent, _ := cmd.Flags().GetBool("solver-concurrent")
 		var results Results
 
@@ -148,16 +171,15 @@ var buildCmd = &cobra.Command{
 		opts := compiler.NewDefaultCompilerOptions()
 		opts.SolverOptions = *LuetCfg.GetSolverOptions()
 		opts.ImageRepository = imageRepository
-		opts.Clean = clean
 		opts.PullFirst = pull
 		opts.KeepImg = keepImages
 		opts.Push = push
 		opts.OnlyDeps = onlydeps
 		opts.NoDeps = nodeps
+		opts.Wait = wait
 		opts.KeepImageExport = keepExportedImages
-		opts.SkipIfMetadataExists = skip
 		opts.PackageTargetOnly = onlyTarget
-
+		opts.BuildValuesFile = values
 		var solverOpts solver.Options
 		if concurrent {
 			solverOpts = solver.Options{Type: solver.ParallelSimple, Concurrency: concurrency}
@@ -283,7 +305,6 @@ func init() {
 	if err != nil {
 		Fatal(err)
 	}
-	buildCmd.Flags().Bool("clean", true, "Build all packages without considering the packages present in the build directory")
 	buildCmd.Flags().StringSliceP("tree", "t", []string{}, "Path of the tree to use.")
 	buildCmd.Flags().String("backend", "docker", "backend used (docker,img)")
 	buildCmd.Flags().Bool("privileged", false, "Privileged (Keep permissions)")
@@ -291,17 +312,18 @@ func init() {
 	buildCmd.Flags().Bool("revdeps", false, "Build with revdeps")
 	buildCmd.Flags().Bool("all", false, "Build all specfiles in the tree")
 	buildCmd.Flags().Bool("full", false, "Build all packages (optimized)")
+	buildCmd.Flags().String("values", "", "Build values file to interpolate with each package")
 
 	buildCmd.Flags().String("destination", path, "Destination folder")
-	buildCmd.Flags().String("compression", "none", "Compression alg: none, gzip")
+	buildCmd.Flags().String("compression", "none", "Compression alg: none, gzip, zstd")
 	buildCmd.Flags().String("image-repository", "luet/cache", "Default base image string for generated image")
 	buildCmd.Flags().Bool("push", false, "Push images to a hub")
 	buildCmd.Flags().Bool("pull", false, "Pull images from a hub")
+	buildCmd.Flags().Bool("wait", false, "Don't build all intermediate images, but wait for them until they are available")
 	buildCmd.Flags().Bool("keep-images", true, "Keep built docker images in the host")
 	buildCmd.Flags().Bool("nodeps", false, "Build only the target packages, skipping deps (it works only if you already built the deps locally, or by using --pull) ")
 	buildCmd.Flags().Bool("onlydeps", false, "Build only package dependencies")
 	buildCmd.Flags().Bool("keep-exported-images", false, "Keep exported images used during building")
-	buildCmd.Flags().Bool("skip-if-metadata-exists", false, "Skip package if metadata exists")
 	buildCmd.Flags().Bool("only-target-package", false, "Build packages of only the required target. Otherwise builds all the necessary ones not present in the destination")
 	buildCmd.Flags().String("solver-type", "", "Solver strategy")
 	buildCmd.Flags().Float32("solver-rate", 0.7, "Solver learning rate")

cmd/create-repo.go

@@ -30,7 +30,26 @@ import (
 var createrepoCmd = &cobra.Command{
 	Use:   "create-repo",
 	Short: "Create a luet repository from a build",
-	Long:  `Generate and renew repository metadata`,
+	Long: `Builds tree metadata from a set of packages and a tree definition:
+
+	$ luet create-repo
+
+Provide specific paths for packages, tree, and metadata output which is generated:
+
+	$ luet create-repo --packages my/packages/path --tree my/tree/path --output my/packages/path ...
+
+Provide name and description of the repository:
+
+	$ luet create-repo --name "foo" --description "bar" ...
+
+Change compression method:
+	
+	$ luet create-repo --tree-compression gzip --meta-compression gzip
+
+Create a repository from the metadata description defined in the luet.yaml config file:
+
+	$ luet create-repo --repo repository1
+`,
 	PreRun: func(cmd *cobra.Command, args []string) {
 		viper.BindPFlag("packages", cmd.Flags().Lookup("packages"))
 		viper.BindPFlag("tree", cmd.Flags().Lookup("tree"))
@@ -140,9 +159,9 @@ func init() {
 	createrepoCmd.Flags().Bool("reset-revision", false, "Reset repository revision.")
 	createrepoCmd.Flags().String("repo", "", "Use repository defined in configuration.")
 
-	createrepoCmd.Flags().String("tree-compression", "gzip", "Compression alg: none, gzip")
+	createrepoCmd.Flags().String("tree-compression", "gzip", "Compression alg: none, gzip, zstd")
 	createrepoCmd.Flags().String("tree-filename", installer.TREE_TARBALL, "Repository tree filename")
-	createrepoCmd.Flags().String("meta-compression", "none", "Compression alg: none, gzip")
+	createrepoCmd.Flags().String("meta-compression", "none", "Compression alg: none, gzip, zstd")
 	createrepoCmd.Flags().String("meta-filename", installer.REPOSITORY_METAFILE+".tar", "Repository metadata filename")
 
 	RootCmd.AddCommand(createrepoCmd)

cmd/database.go

@@ -25,6 +25,10 @@ import (
 var databaseGroupCmd = &cobra.Command{
 	Use:   "database [command] [OPTIONS]",
 	Short: "Manage system database (dangerous commands ahead!)",
+	Long: `Allows to manipulate Luet internal database of installed packages. Use with caution!
+
+Removing packages by hand from the database can result in a broken system, and thus it's not reccomended.
+`,
 }
 
 func init() {

cmd/database/create.go

@@ -17,7 +17,6 @@ package cmd_database
 
 import (
 	"io/ioutil"
-	"path/filepath"
 
 	"github.com/mudler/luet/pkg/compiler"
 	. "github.com/mudler/luet/pkg/logger"
@@ -32,7 +31,18 @@ func NewDatabaseCreateCommand() *cobra.Command {
 	var ans = &cobra.Command{
 		Use:   "create <artifact_metadata1.yaml> <artifact_metadata1.yaml>",
 		Short: "Insert a package in the system DB",
-		Args:  cobra.OnlyValidArgs,
+		Long: `Inserts a package in the system database:
+
+		$ luet database create foo.yaml
+
+"luet database create" injects a package in the system database without actually installing it, use it with caution.
+
+This commands takes multiple yaml input file representing package artifacts, that are usually generated while building packages.
+
+The yaml must contain the package definition, and the file list at least.
+
+For reference, inspect a "metadata.yaml" file generated while running "luet build"`,
+		Args: cobra.OnlyValidArgs,
 		PreRun: func(cmd *cobra.Command, args []string) {
 			LuetCfg.Viper.BindPFlag("system.database_path", cmd.Flags().Lookup("system-dbpath"))
 			LuetCfg.Viper.BindPFlag("system.rootfs", cmd.Flags().Lookup("system-target"))
@@ -40,7 +50,7 @@ func NewDatabaseCreateCommand() *cobra.Command {
 		},
 		Run: func(cmd *cobra.Command, args []string) {
 
-			var systemDB pkg.PackageDatabase
+			systemDB := LuetCfg.GetSystemDB()
 
 			for _, a := range args {
 				dat, err := ioutil.ReadFile(a)
@@ -52,13 +62,6 @@ func NewDatabaseCreateCommand() *cobra.Command {
 					Fatal("Failed reading yaml ", a, ": ", err.Error())
 				}
 
-				if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-					systemDB = pkg.NewBoltDatabase(
-						filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-				} else {
-					systemDB = pkg.NewInMemoryDatabase(true)
-				}
-
 				files := art.GetFiles()
 
 				if _, err := systemDB.CreatePackage(art.GetCompileSpec().GetPackage()); err != nil {

cmd/database/remove.go

@@ -16,13 +16,10 @@
 package cmd_database
 
 import (
-	"path/filepath"
-
 	. "github.com/mudler/luet/pkg/logger"
 
 	helpers "github.com/mudler/luet/cmd/helpers"
 	. "github.com/mudler/luet/pkg/config"
-	pkg "github.com/mudler/luet/pkg/package"
 
 	"github.com/spf13/cobra"
 )
@@ -31,14 +28,20 @@ func NewDatabaseRemoveCommand() *cobra.Command {
 	var ans = &cobra.Command{
 		Use:   "remove [package1] [package2] ...",
 		Short: "Remove a package from the system DB (forcefully - you normally don't want to do that)",
-		Args:  cobra.OnlyValidArgs,
+		Long: `Removes a package in the system database without actually uninstalling it:
+
+		$ luet database remove foo/bar
+
+This commands takes multiple packages as arguments and prunes their entries from the system database.
+`,
+		Args: cobra.OnlyValidArgs,
 		PreRun: func(cmd *cobra.Command, args []string) {
 			LuetCfg.Viper.BindPFlag("system.database_path", cmd.Flags().Lookup("system-dbpath"))
 			LuetCfg.Viper.BindPFlag("system.rootfs", cmd.Flags().Lookup("system-target"))
 
 		},
 		Run: func(cmd *cobra.Command, args []string) {
-			var systemDB pkg.PackageDatabase
+			systemDB := LuetCfg.GetSystemDB()
 
 			for _, a := range args {
 				pack, err := helpers.ParsePackageStr(a)
@@ -46,13 +49,6 @@ func NewDatabaseRemoveCommand() *cobra.Command {
 					Fatal("Invalid package string ", a, ": ", err.Error())
 				}
 
-				if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-					systemDB = pkg.NewBoltDatabase(
-						filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-				} else {
-					systemDB = pkg.NewInMemoryDatabase(true)
-				}
-
 				if err := systemDB.RemovePackage(pack); err != nil {
 					Fatal("Failed removing ", a, ": ", err.Error())
 				}

cmd/helpers/cli.go

@@ -20,6 +20,7 @@ import (
 	"errors"
 	"fmt"
 	"regexp"
+	"strings"
 
 	_gentoo "github.com/Sabayon/pkgs-checker/pkg/gentoo"
 	pkg "github.com/mudler/luet/pkg/package"
@@ -41,7 +42,41 @@ func CreateRegexArray(rgx []string) ([]*regexp.Regexp, error) {
 	return ans, nil
 }
 
+func packageData(p string) (string, string) {
+	cat := ""
+	name := ""
+	if strings.Contains(p, "/") {
+		packagedata := strings.Split(p, "/")
+		cat = packagedata[0]
+		name = packagedata[1]
+	} else {
+		name = p
+	}
+	return cat, name
+}
 func ParsePackageStr(p string) (*pkg.DefaultPackage, error) {
+
+	if !strings.HasPrefix(p, "=") {
+		ver := ">=0"
+		cat := ""
+		name := ""
+
+		if strings.Contains(p, "@") {
+			packageinfo := strings.Split(p, "@")
+			ver = packageinfo[1]
+			cat, name = packageData(packageinfo[0])
+		} else {
+			cat, name = packageData(p)
+		}
+
+		return &pkg.DefaultPackage{
+			Name:     name,
+			Category: cat,
+			Version:  ver,
+			Uri:      make([]string, 0),
+		}, nil
+	}
+
 	gp, err := _gentoo.ParsePackageStr(p)
 	if err != nil {
 		return nil, err

cmd/helpers/cli_suite_test.go

@@ -0,0 +1,32 @@
+// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+
+package cmd_helpers_test
+
+import (
+	"testing"
+
+	. "github.com/mudler/luet/cmd"
+	config "github.com/mudler/luet/pkg/config"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+func TestSolver(t *testing.T) {
+	RegisterFailHandler(Fail)
+	LoadConfig(config.LuetCfg)
+	RunSpecs(t, "CLI helpers test Suite")
+}

cmd/helpers/cli_test.go

@@ -0,0 +1,70 @@
+// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+
+package cmd_helpers_test
+
+import (
+	. "github.com/mudler/luet/cmd/helpers"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("CLI Helpers", func() {
+	Context("Can parse package strings correctly", func() {
+		It("accept single package names", func() {
+			pack, err := ParsePackageStr("foo")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal(""))
+			Expect(pack.GetVersion()).To(Equal(">=0"))
+		})
+		It("accept unversioned packages with category", func() {
+			pack, err := ParsePackageStr("cat/foo")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal("cat"))
+			Expect(pack.GetVersion()).To(Equal(">=0"))
+		})
+		It("accept versioned packages with category", func() {
+			pack, err := ParsePackageStr("cat/foo@1.1")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal("cat"))
+			Expect(pack.GetVersion()).To(Equal("1.1"))
+		})
+		It("accept versioned ranges with category", func() {
+			pack, err := ParsePackageStr("cat/foo@>=1.1")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal("cat"))
+			Expect(pack.GetVersion()).To(Equal(">=1.1"))
+		})
+		It("accept gentoo regex parsing without versions", func() {
+			pack, err := ParsePackageStr("=cat/foo")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal("cat"))
+			Expect(pack.GetVersion()).To(Equal(">=0"))
+		})
+		It("accept gentoo regex parsing with versions", func() {
+			pack, err := ParsePackageStr("=cat/foo-1.2")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(pack.GetName()).To(Equal("foo"))
+			Expect(pack.GetCategory()).To(Equal("cat"))
+			Expect(pack.GetVersion()).To(Equal("1.2"))
+		})
+	})
+})

cmd/install.go

@@ -16,7 +16,6 @@ package cmd
 
 import (
 	"os"
-	"path/filepath"
 
 	installer "github.com/mudler/luet/pkg/installer"
 	"github.com/mudler/luet/pkg/solver"
@@ -30,8 +29,24 @@ import (
 )
 
 var installCmd = &cobra.Command{
-	Use:     "install <pkg1> <pkg2> ...",
-	Short:   "Install a package",
+	Use:   "install <pkg1> <pkg2> ...",
+	Short: "Install a package",
+	Long: `Installs one or more packages without asking questions:
+
+	$ luet install -y utils/busybox utils/yq ...
+	
+To install only deps of a package:
+	
+	$ luet install --onlydeps utils/busybox ...
+	
+To not install deps of a package:
+	
+	$ luet install --nodeps utils/busybox ...
+
+To force install a package:
+	
+	$ luet install --force utils/busybox ...
+`,
 	Aliases: []string{"i"},
 	PreRun: func(cmd *cobra.Command, args []string) {
 		LuetCfg.Viper.BindPFlag("system.database_path", cmd.Flags().Lookup("system-dbpath"))
@@ -45,10 +60,8 @@ var installCmd = &cobra.Command{
 		LuetCfg.Viper.BindPFlag("force", cmd.Flags().Lookup("force"))
 		LuetCfg.Viper.BindPFlag("yes", cmd.Flags().Lookup("yes"))
 	},
-	Long: `Install packages in parallel`,
 	Run: func(cmd *cobra.Command, args []string) {
 		var toInstall pkg.Packages
-		var systemDB pkg.PackageDatabase
 
 		for _, a := range args {
 			pack, err := helpers.ParsePackageStr(a)
@@ -105,13 +118,7 @@ var installCmd = &cobra.Command{
 		})
 		inst.Repositories(repos)
 
-		if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-			systemDB = pkg.NewBoltDatabase(
-				filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-		} else {
-			systemDB = pkg.NewInMemoryDatabase(true)
-		}
-		system := &installer.System{Database: systemDB, Target: LuetCfg.GetSystem().Rootfs}
+		system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
 		err := inst.Install(toInstall, system)
 		if err != nil {
 			Fatal("Error: " + err.Error())

cmd/pack.go

@@ -31,7 +31,16 @@ import (
 var packCmd = &cobra.Command{
 	Use:   "pack <package name>",
 	Short: "pack a custom package",
-	Long:  `pack and creates metadata directly from a source path`,
+	Long: `Pack creates a package from a directory, generating the metadata required from a tree to generate a repository.
+
+Pack can be used to manually replace what "luet build" does automatically by reading the packages build.yaml files.
+
+	$ mkdir -p output/etc/foo
+	$ echo "my config" > output/etc/foo
+	$ luet pack foo/bar@1.1 --source output
+
+Afterwards, you can use the content generated and associate it with a tree and a corresponding definition.yaml file with "luet create-repo".
+`,
 	PreRun: func(cmd *cobra.Command, args []string) {
 		viper.BindPFlag("destination", cmd.Flags().Lookup("destination"))
 		viper.BindPFlag("compression", cmd.Flags().Lookup("compression"))

cmd/reclaim.go

@@ -16,13 +16,11 @@ package cmd
 
 import (
 	"os"
-	"path/filepath"
 
 	installer "github.com/mudler/luet/pkg/installer"
 
 	. "github.com/mudler/luet/pkg/config"
 	. "github.com/mudler/luet/pkg/logger"
-	pkg "github.com/mudler/luet/pkg/package"
 
 	"github.com/spf13/cobra"
 )
@@ -35,10 +33,13 @@ var reclaimCmd = &cobra.Command{
 		LuetCfg.Viper.BindPFlag("system.rootfs", cmd.Flags().Lookup("system-target"))
 		LuetCfg.Viper.BindPFlag("force", cmd.Flags().Lookup("force"))
 	},
-	Long: `Add packages to the systemdb if files belonging to packages 
-in available repositories exists in the target root.`,
+	Long: `Reclaim tries to find association between packages in the online repositories and the system one.
+
+	$ luet reclaim
+
+It scans the target file system, and if finds a match with a package available in the repositories, it marks as installed in the system database.
+`,
 	Run: func(cmd *cobra.Command, args []string) {
-		var systemDB pkg.PackageDatabase
 
 		// This shouldn't be necessary, but we need to unmarshal the repositories to a concrete struct, thus we need to port them back to the Repositories type
 		repos := installer.Repositories{}
@@ -61,13 +62,7 @@ in available repositories exists in the target root.`,
 		})
 		inst.Repositories(repos)
 
-		if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-			systemDB = pkg.NewBoltDatabase(
-				filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-		} else {
-			systemDB = pkg.NewInMemoryDatabase(true)
-		}
-		system := &installer.System{Database: systemDB, Target: LuetCfg.GetSystem().Rootfs}
+		system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
 		err := inst.Reclaim(system)
 		if err != nil {
 			Fatal("Error: " + err.Error())

cmd/replace.go

@@ -0,0 +1,148 @@
+// Copyright © 2020 Ettore Di Giacinto <mudler@mocaccino.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+package cmd
+
+import (
+	"os"
+
+	installer "github.com/mudler/luet/pkg/installer"
+	"github.com/mudler/luet/pkg/solver"
+
+	helpers "github.com/mudler/luet/cmd/helpers"
+	. "github.com/mudler/luet/pkg/config"
+	. "github.com/mudler/luet/pkg/logger"
+	pkg "github.com/mudler/luet/pkg/package"
+
+	"github.com/spf13/cobra"
+)
+
+var replaceCmd = &cobra.Command{
+	Use:     "replace <pkg1> <pkg2> --for <pkg3> --for <pkg4> ...",
+	Short:   "replace a set of packages",
+	Aliases: []string{"r"},
+	Long: `Replaces one or a group of packages without asking questions:
+
+	$ luet replace -y system/busybox ... --for shells/bash --for system/coreutils ...
+`,
+	PreRun: func(cmd *cobra.Command, args []string) {
+		LuetCfg.Viper.BindPFlag("system.database_path", cmd.Flags().Lookup("system-dbpath"))
+		LuetCfg.Viper.BindPFlag("system.rootfs", cmd.Flags().Lookup("system-target"))
+		LuetCfg.Viper.BindPFlag("solver.type", cmd.Flags().Lookup("solver-type"))
+		LuetCfg.Viper.BindPFlag("solver.discount", cmd.Flags().Lookup("solver-discount"))
+		LuetCfg.Viper.BindPFlag("solver.rate", cmd.Flags().Lookup("solver-rate"))
+		LuetCfg.Viper.BindPFlag("solver.max_attempts", cmd.Flags().Lookup("solver-attempts"))
+		LuetCfg.Viper.BindPFlag("onlydeps", cmd.Flags().Lookup("onlydeps"))
+		LuetCfg.Viper.BindPFlag("nodeps", cmd.Flags().Lookup("nodeps"))
+		LuetCfg.Viper.BindPFlag("force", cmd.Flags().Lookup("force"))
+		LuetCfg.Viper.BindPFlag("for", cmd.Flags().Lookup("for"))
+
+		LuetCfg.Viper.BindPFlag("yes", cmd.Flags().Lookup("yes"))
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		var toUninstall pkg.Packages
+		var toAdd pkg.Packages
+
+		f := LuetCfg.Viper.GetStringSlice("for")
+		stype := LuetCfg.Viper.GetString("solver.type")
+		discount := LuetCfg.Viper.GetFloat64("solver.discount")
+		rate := LuetCfg.Viper.GetFloat64("solver.rate")
+		attempts := LuetCfg.Viper.GetInt("solver.max_attempts")
+		force := LuetCfg.Viper.GetBool("force")
+		nodeps := LuetCfg.Viper.GetBool("nodeps")
+		onlydeps := LuetCfg.Viper.GetBool("onlydeps")
+		concurrent, _ := cmd.Flags().GetBool("solver-concurrent")
+		yes := LuetCfg.Viper.GetBool("yes")
+
+		for _, a := range args {
+			pack, err := helpers.ParsePackageStr(a)
+			if err != nil {
+				Fatal("Invalid package string ", a, ": ", err.Error())
+			}
+			toUninstall = append(toUninstall, pack)
+		}
+
+		for _, a := range f {
+			pack, err := helpers.ParsePackageStr(a)
+			if err != nil {
+				Fatal("Invalid package string ", a, ": ", err.Error())
+			}
+			toAdd = append(toAdd, pack)
+		}
+
+		// This shouldn't be necessary, but we need to unmarshal the repositories to a concrete struct, thus we need to port them back to the Repositories type
+		repos := installer.Repositories{}
+		for _, repo := range LuetCfg.SystemRepositories {
+			if !repo.Enable {
+				continue
+			}
+			r := installer.NewSystemRepository(repo)
+			repos = append(repos, r)
+		}
+
+		LuetCfg.GetSolverOptions().Type = stype
+		LuetCfg.GetSolverOptions().LearnRate = float32(rate)
+		LuetCfg.GetSolverOptions().Discount = float32(discount)
+		LuetCfg.GetSolverOptions().MaxAttempts = attempts
+
+		if concurrent {
+			LuetCfg.GetSolverOptions().Implementation = solver.ParallelSimple
+		} else {
+			LuetCfg.GetSolverOptions().Implementation = solver.SingleCoreSimple
+		}
+
+		Debug("Solver", LuetCfg.GetSolverOptions().CompactString())
+
+		// Load config protect configs
+		installer.LoadConfigProtectConfs(LuetCfg)
+
+		inst := installer.NewLuetInstaller(installer.LuetInstallerOptions{
+			Concurrency:                 LuetCfg.GetGeneral().Concurrency,
+			SolverOptions:               *LuetCfg.GetSolverOptions(),
+			NoDeps:                      nodeps,
+			Force:                       force,
+			OnlyDeps:                    onlydeps,
+			PreserveSystemEssentialData: true,
+			Ask:                         !yes,
+		})
+		inst.Repositories(repos)
+
+		system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
+		err := inst.Swap(toUninstall, toAdd, system)
+		if err != nil {
+			Fatal("Error: " + err.Error())
+		}
+	},
+}
+
+func init() {
+	path, err := os.Getwd()
+	if err != nil {
+		Fatal(err)
+	}
+	replaceCmd.Flags().String("system-dbpath", path, "System db path")
+	replaceCmd.Flags().String("system-target", path, "System rootpath")
+	replaceCmd.Flags().String("solver-type", "", "Solver strategy ( Defaults none, available: "+AvailableResolvers+" )")
+	replaceCmd.Flags().Float32("solver-rate", 0.7, "Solver learning rate")
+	replaceCmd.Flags().Float32("solver-discount", 1.0, "Solver discount rate")
+	replaceCmd.Flags().Int("solver-attempts", 9000, "Solver maximum attempts")
+	replaceCmd.Flags().Bool("nodeps", false, "Don't consider package dependencies (harmful!)")
+	replaceCmd.Flags().Bool("onlydeps", false, "Consider **only** package dependencies")
+	replaceCmd.Flags().Bool("force", false, "Skip errors and keep going (potentially harmful)")
+	replaceCmd.Flags().Bool("solver-concurrent", false, "Use concurrent solver (experimental)")
+	replaceCmd.Flags().BoolP("yes", "y", false, "Don't ask questions")
+	replaceCmd.Flags().StringSlice("for", []string{}, "Packages that has to be installed in place of others")
+
+	RootCmd.AddCommand(replaceCmd)
+}

cmd/root.go

@@ -40,7 +40,7 @@ var Verbose bool
 var LockedCommands = []string{"install", "uninstall", "upgrade"}
 
 const (
-	LuetCLIVersion = "0.9.6"
+	LuetCLIVersion = "0.9.24"
 	LuetEnvPrefix  = "LUET"
 )
 
@@ -55,12 +55,12 @@ var (
 // RootCmd represents the base command when called without any subcommands
 var RootCmd = &cobra.Command{
 	Use:   "luet",
-	Short: "Package manager for the XXth century!",
+	Short: "Container based package manager",
 	Long: `Luet is a single-binary package manager based on containers to build packages.
 	
 To install a package:
 
-$ luet install package
+	$ luet install package
 
 To search for a package in the repositories:
 
@@ -68,15 +68,15 @@ $ luet search package
 
 To list all packages installed in the system:
 
-$ luet search --installed .
+	$ luet search --installed .
 
 To show hidden packages:
 
-$ luet search --hidden package
+	$ luet search --hidden package
 
 To build a package, from a tree definition:
 
-$ luet build --tree tree/path package
+	$ luet build --tree tree/path package
 	
 `,
 	Version: fmt.Sprintf("%s-g%s %s", LuetCLIVersion, BuildCommit, BuildTime),

cmd/search.go

@@ -17,7 +17,6 @@ package cmd
 import (
 	"fmt"
 	"os"
-	"path/filepath"
 	"strings"
 
 	"github.com/ghodss/yaml"
@@ -57,7 +56,7 @@ func packageToList(l list.Writer, repo string, p pkg.Package) {
 	l.AppendItem(p.HumanReadableString())
 	l.Indent()
 	l.AppendItem(fmt.Sprintf("Category: %s", p.GetCategory()))
-	l.AppendItem(fmt.Sprintf("Name: %s", p.GetCategory()))
+	l.AppendItem(fmt.Sprintf("Name: %s", p.GetName()))
 	l.AppendItem(fmt.Sprintf("Version: %s", p.GetVersion()))
 	l.AppendItem(fmt.Sprintf("Description: %s", p.GetDescription()))
 	l.AppendItem(fmt.Sprintf("Repository: %s ", repo))
@@ -66,9 +65,41 @@ func packageToList(l list.Writer, repo string, p pkg.Package) {
 }
 
 var searchCmd = &cobra.Command{
-	Use:     "search <term>",
-	Short:   "Search packages",
-	Long:    `Search for installed and available packages`,
+	Use:   "search <term>",
+	Short: "Search packages",
+	Long: `Search for installed and available packages
+	
+To search a package in the repositories:
+
+	$ luet search <regex>
+
+To search a package and display results in a table (wide screens):
+
+	$ luet search --table <regex>
+
+To look into the installed packages:
+
+	$ luet search --installed <regex>
+
+Note: the regex argument is optional, if omitted implies "all"
+
+To search a package by label:
+
+	$ luet search --by-label <label>
+
+or by regex against the label:
+
+	$ luet search --by-label-regex <label>
+
+It can also show a package revdeps by:
+
+	$ luet search --revdeps <regex>
+
+Search can also return results in the terminal in different ways: as terminal output, as json or as yaml.
+
+	$ luet search --json <regex> # JSON output
+	$ luet search --yaml <regex> # YAML output
+`,
 	Aliases: []string{"s"},
 	PreRun: func(cmd *cobra.Command, args []string) {
 		LuetCfg.Viper.BindPFlag("system.database_path", cmd.Flags().Lookup("system-dbpath"))
@@ -80,7 +111,6 @@ var searchCmd = &cobra.Command{
 		LuetCfg.Viper.BindPFlag("solver.max_attempts", cmd.Flags().Lookup("solver-attempts"))
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		var systemDB pkg.PackageDatabase
 		var results Results
 		if len(args) > 1 {
 			Fatal("Wrong number of arguments (expected 1)")
@@ -181,13 +211,7 @@ var searchCmd = &cobra.Command{
 			}
 		} else {
 
-			if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-				systemDB = pkg.NewBoltDatabase(
-					filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-			} else {
-				systemDB = pkg.NewInMemoryDatabase(true)
-			}
-			system := &installer.System{Database: systemDB, Target: LuetCfg.GetSystem().Rootfs}
+			system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
 
 			var err error
 			iMatches := pkg.Packages{}

cmd/uninstall.go

@@ -16,7 +16,6 @@ package cmd
 
 import (
 	"os"
-	"path/filepath"
 
 	helpers "github.com/mudler/luet/cmd/helpers"
 	. "github.com/mudler/luet/pkg/config"
@@ -45,63 +44,58 @@ var uninstallCmd = &cobra.Command{
 		LuetCfg.Viper.BindPFlag("yes", cmd.Flags().Lookup("yes"))
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		var systemDB pkg.PackageDatabase
-
+		toRemove := []pkg.Package{}
 		for _, a := range args {
 
 			pack, err := helpers.ParsePackageStr(a)
 			if err != nil {
 				Fatal("Invalid package string ", a, ": ", err.Error())
 			}
+			toRemove = append(toRemove, pack)
+		}
 
-			stype := LuetCfg.Viper.GetString("solver.type")
-			discount := LuetCfg.Viper.GetFloat64("solver.discount")
-			rate := LuetCfg.Viper.GetFloat64("solver.rate")
-			attempts := LuetCfg.Viper.GetInt("solver.max_attempts")
-			force := LuetCfg.Viper.GetBool("force")
-			nodeps, _ := cmd.Flags().GetBool("nodeps")
-			full, _ := cmd.Flags().GetBool("full")
-			checkconflicts, _ := cmd.Flags().GetBool("conflictscheck")
-			fullClean, _ := cmd.Flags().GetBool("full-clean")
-			concurrent, _ := cmd.Flags().GetBool("solver-concurrent")
-			yes := LuetCfg.Viper.GetBool("yes")
+		stype := LuetCfg.Viper.GetString("solver.type")
+		discount := LuetCfg.Viper.GetFloat64("solver.discount")
+		rate := LuetCfg.Viper.GetFloat64("solver.rate")
+		attempts := LuetCfg.Viper.GetInt("solver.max_attempts")
+		force := LuetCfg.Viper.GetBool("force")
+		nodeps, _ := cmd.Flags().GetBool("nodeps")
+		full, _ := cmd.Flags().GetBool("full")
+		checkconflicts, _ := cmd.Flags().GetBool("conflictscheck")
+		fullClean, _ := cmd.Flags().GetBool("full-clean")
+		concurrent, _ := cmd.Flags().GetBool("solver-concurrent")
+		yes := LuetCfg.Viper.GetBool("yes")
 
-			LuetCfg.GetSolverOptions().Type = stype
-			LuetCfg.GetSolverOptions().LearnRate = float32(rate)
-			LuetCfg.GetSolverOptions().Discount = float32(discount)
-			LuetCfg.GetSolverOptions().MaxAttempts = attempts
-			if concurrent {
-				LuetCfg.GetSolverOptions().Implementation = solver.ParallelSimple
-			} else {
-				LuetCfg.GetSolverOptions().Implementation = solver.SingleCoreSimple
-			}
-			Debug("Solver", LuetCfg.GetSolverOptions().CompactString())
+		LuetCfg.GetSolverOptions().Type = stype
+		LuetCfg.GetSolverOptions().LearnRate = float32(rate)
+		LuetCfg.GetSolverOptions().Discount = float32(discount)
+		LuetCfg.GetSolverOptions().MaxAttempts = attempts
+		if concurrent {
+			LuetCfg.GetSolverOptions().Implementation = solver.ParallelSimple
+		} else {
+			LuetCfg.GetSolverOptions().Implementation = solver.SingleCoreSimple
+		}
+		Debug("Solver", LuetCfg.GetSolverOptions().CompactString())
 
-			// Load config protect configs
-			installer.LoadConfigProtectConfs(LuetCfg)
+		// Load config protect configs
+		installer.LoadConfigProtectConfs(LuetCfg)
 
-			inst := installer.NewLuetInstaller(installer.LuetInstallerOptions{
-				Concurrency:        LuetCfg.GetGeneral().Concurrency,
-				SolverOptions:      *LuetCfg.GetSolverOptions(),
-				NoDeps:             nodeps,
-				Force:              force,
-				FullUninstall:      full,
-				FullCleanUninstall: fullClean,
-				CheckConflicts:     checkconflicts,
-				Ask:                !yes,
-			})
+		inst := installer.NewLuetInstaller(installer.LuetInstallerOptions{
+			Concurrency:                 LuetCfg.GetGeneral().Concurrency,
+			SolverOptions:               *LuetCfg.GetSolverOptions(),
+			NoDeps:                      nodeps,
+			Force:                       force,
+			FullUninstall:               full,
+			FullCleanUninstall:          fullClean,
+			CheckConflicts:              checkconflicts,
+			Ask:                         !yes,
+			PreserveSystemEssentialData: true,
+		})
 
-			if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-				systemDB = pkg.NewBoltDatabase(
-					filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-			} else {
-				systemDB = pkg.NewInMemoryDatabase(true)
-			}
-			system := &installer.System{Database: systemDB, Target: LuetCfg.GetSystem().Rootfs}
-			err = inst.Uninstall(pack, system)
-			if err != nil {
-				Fatal("Error: " + err.Error())
-			}
+		system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
+
+		if err := inst.Uninstall(system, toRemove...); err != nil {
+			Fatal("Error: " + err.Error())
 		}
 	},
 }

cmd/upgrade.go

@@ -16,12 +16,10 @@ package cmd
 
 import (
 	"os"
-	"path/filepath"
 
 	. "github.com/mudler/luet/pkg/config"
 	installer "github.com/mudler/luet/pkg/installer"
 	. "github.com/mudler/luet/pkg/logger"
-	pkg "github.com/mudler/luet/pkg/package"
 	"github.com/mudler/luet/pkg/solver"
 
 	"github.com/spf13/cobra"
@@ -43,7 +41,6 @@ var upgradeCmd = &cobra.Command{
 	},
 	Long: `Upgrades packages in parallel`,
 	Run: func(cmd *cobra.Command, args []string) {
-		var systemDB pkg.PackageDatabase
 
 		repos := installer.Repositories{}
 		for _, repo := range LuetCfg.SystemRepositories {
@@ -84,26 +81,20 @@ var upgradeCmd = &cobra.Command{
 		installer.LoadConfigProtectConfs(LuetCfg)
 
 		inst := installer.NewLuetInstaller(installer.LuetInstallerOptions{
-			Concurrency:                LuetCfg.GetGeneral().Concurrency,
-			SolverOptions:              *LuetCfg.GetSolverOptions(),
-			Force:                      force,
-			FullUninstall:              full,
-			NoDeps:                     nodeps,
-			SolverUpgrade:              universe,
-			RemoveUnavailableOnUpgrade: clean,
-			UpgradeNewRevisions:        sync,
-			Ask:                        !yes,
+			Concurrency:                 LuetCfg.GetGeneral().Concurrency,
+			SolverOptions:               *LuetCfg.GetSolverOptions(),
+			Force:                       force,
+			FullUninstall:               full,
+			NoDeps:                      nodeps,
+			SolverUpgrade:               universe,
+			RemoveUnavailableOnUpgrade:  clean,
+			UpgradeNewRevisions:         sync,
+			PreserveSystemEssentialData: true,
+			Ask:                         !yes,
 		})
 		inst.Repositories(repos)
 
-		if LuetCfg.GetSystem().DatabaseEngine == "boltdb" {
-			systemDB = pkg.NewBoltDatabase(
-				filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
-		} else {
-			systemDB = pkg.NewInMemoryDatabase(true)
-		}
-		system := &installer.System{Database: systemDB, Target: LuetCfg.GetSystem().Rootfs}
-
+		system := &installer.System{Database: LuetCfg.GetSystemDB(), Target: LuetCfg.GetSystem().Rootfs}
 		if err := inst.Upgrade(system); err != nil {
 			Fatal("Error: " + err.Error())
 		}
@@ -123,7 +114,7 @@ func init() {
 	upgradeCmd.Flags().Int("solver-attempts", 9000, "Solver maximum attempts")
 	upgradeCmd.Flags().Bool("force", false, "Force upgrade by ignoring errors")
 	upgradeCmd.Flags().Bool("nodeps", false, "Don't consider package dependencies (harmful! overrides checkconflicts and full!)")
-	upgradeCmd.Flags().Bool("full", true, "Attempts to remove as much packages as possible which aren't required (slow)")
+	upgradeCmd.Flags().Bool("full", false, "Attempts to remove as much packages as possible which aren't required (slow)")
 	upgradeCmd.Flags().Bool("universe", false, "Use ONLY the SAT solver to compute upgrades (experimental)")
 	upgradeCmd.Flags().Bool("clean", false, "Try to drop removed packages (experimental, only when --universe is enabled)")
 	upgradeCmd.Flags().Bool("sync", false, "Upgrade packages with new revisions (experimental)")

contrib/config/get_luet_root.sh

@@ -19,7 +19,7 @@ if [ "${LUET_CONFIG_PROTECT}" = "1" ] ; then
   mkdir -p /etc/luet/config.protect.d || true
   wget -q  https://raw.githubusercontent.com/mudler/luet/master/contrib/config/config.protect.d/01_etc.yml.example -O /etc/luet/config.protect.d/01_etc.yml
 fi
-wget -q https://raw.githubusercontent.com/mocaccinoOS/repository-index/master/packages/mocaccino-repository-index/mocaccino-repository-index.yml -O /etc/luet/repos.conf.d/mocaccino-repository-index.yml
+wget -q https://raw.githubusercontent.com/mocaccinoOS/repository-index/master/packages/mocaccino-repository-index.yml -O /etc/luet/repos.conf.d/mocaccino-repository-index.yml
 
 cat > /etc/luet/luet.yaml <<EOF
 general:

go.mod

@@ -12,14 +12,17 @@ require (
 	github.com/docker/docker v17.12.0-ce-rc1.0.20200417035958-130b0bc6032c+incompatible
 	github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
 	github.com/ecooper/qlearning v0.0.0-20160612200101-3075011a69fd
+	github.com/fsouza/go-dockerclient v1.6.4
 	github.com/ghodss/yaml v1.0.0
+	github.com/google/go-containerregistry v0.2.1
+	github.com/hashicorp/go-multierror v1.0.0
 	github.com/hashicorp/go-version v1.2.0
 	github.com/jedib0t/go-pretty v4.3.0+incompatible
 	github.com/jedib0t/go-pretty/v6 v6.0.5
 	github.com/jinzhu/copier v0.0.0-20180308034124-7e38e58719c3
+	github.com/klauspost/compress v1.8.3
 	github.com/klauspost/pgzip v1.2.1
 	github.com/knqyf263/go-deb-version v0.0.0-20190517075300-09fca494f03d
-	github.com/kr/pretty v0.2.0 // indirect
 	github.com/kyokomi/emoji v2.1.0+incompatible
 	github.com/logrusorgru/aurora v0.0.0-20190417123914-21d75270181e
 	github.com/marcsauter/single v0.0.0-20181104081128-f8bf46f26ec0
@@ -41,7 +44,6 @@ require (
 	go.uber.org/atomic v1.5.1 // indirect
 	go.uber.org/multierr v1.4.0 // indirect
 	go.uber.org/zap v1.13.0
-	golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f // indirect
 	gopkg.in/yaml.v2 v2.3.0
 	gotest.tools/v3 v3.0.2 // indirect
 	helm.sh/helm/v3 v3.3.4

go.sum

@@ -2,22 +2,62 @@ bazil.org/fuse v0.0.0-20160811212531-371fbbdaa898/go.mod h1:Xbm+BRKSBEpa4q4hTSxo
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
+cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
+cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
+cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
+cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
+cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
+cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/Azure/azure-sdk-for-go v16.2.1+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-sdk-for-go v35.0.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-sdk-for-go v38.0.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
+github.com/Azure/azure-sdk-for-go v42.3.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78 h1:w+iIsaOQNcT7OZ575w+acHgRric5iCyQh+xv+KJ4HB8=
 github.com/Azure/go-ansiterm v0.0.0-20170929234023-d6e3b3328b78/go.mod h1:LmzpDX56iTiv29bbRTIsUNlaFfuhWRQBWjQdVyAevI8=
 github.com/Azure/go-autorest v10.8.1+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
+github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.9.0/go.mod h1:xyHB1BMZT0cuDHU7I0+g046+BFDTQ8rEZB0s4Yfa6bI=
+github.com/Azure/go-autorest/autorest v0.9.3/go.mod h1:GsRuLYvwzLjjjRoWEIyMUaYq8GNUx2nRB378IPt/1p0=
+github.com/Azure/go-autorest/autorest v0.10.2/go.mod h1:/FALq9T/kS7b5J5qsQ+RSTUdAmGFqi0vUdVNNx8q630=
 github.com/Azure/go-autorest/autorest/adal v0.5.0/go.mod h1:8Z9fGy2MpX0PvDjB1pEgQTmVqjGhiHBW7RJJEciWzS0=
+github.com/Azure/go-autorest/autorest/adal v0.8.0/go.mod h1:Z6vX6WXXuyieHAXwMj0S6HY6e6wcHn37qQMBQlvY3lc=
+github.com/Azure/go-autorest/autorest/adal v0.8.2/go.mod h1:ZjhuQClTqx435SRJ2iMlOxPYt3d2C/T/7TiQCVZSn3Q=
+github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
 github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
+github.com/Azure/go-autorest/autorest/date v0.2.0/go.mod h1:vcORJHLJEh643/Ioh9+vPmf1Ij9AEBM5FuBIXLmIy0g=
+github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
 github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
 github.com/Azure/go-autorest/autorest/mocks v0.2.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
+github.com/Azure/go-autorest/autorest/mocks v0.3.0/go.mod h1:a8FDP3DYzQ4RYfVAxAN3SVSiiO77gL2j2ronKKP0syM=
+github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
+github.com/Azure/go-autorest/autorest/to v0.2.0/go.mod h1:GunWKJp1AEqgMaGLV+iocmRAJWqST1wQYhyyjXJ3SJc=
+github.com/Azure/go-autorest/autorest/to v0.3.0/go.mod h1:MgwOyqaIuKdG4TL/2ywSsIWKAfJfgHDo8ObuUk3t5sA=
+github.com/Azure/go-autorest/autorest/validation v0.1.0/go.mod h1:Ha3z/SqBeaalWQvokg3NZAlQTalVMtOIAs1aGK7G6u8=
+github.com/Azure/go-autorest/autorest/validation v0.2.0/go.mod h1:3EEqHnBxQGHXRYq3HT1WyXAvT7LLY3tl70hw6tQIbjI=
 github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
 github.com/Azure/go-autorest/tracing v0.5.0/go.mod h1:r/s2XiOKccPW3HrqB+W0TQzfbtp2fGCgRFtBroKn4Dk=
+github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
 github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/DATA-DOG/go-sqlmock v1.4.1/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q5eFN3EC/SaM=
 github.com/DataDog/zstd v1.4.4 h1:+IawcoXhCBylN7ccwdwf8LOH2jKq7NavGpEPanrlTzE=
 github.com/DataDog/zstd v1.4.4/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
+github.com/GoogleCloudPlatform/k8s-cloud-provider v0.0.0-20190822182118-27a4ced34534/go.mod h1:iroGtC8B3tQiqtds1l+mgk/BBOrxbqjH+eUfFQYRc14=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Luet-lab/moby v17.12.0-ce-rc1.0.20200605210607-749178b8f80d+incompatible h1:YddBuPhhRLoz7uhSJ3Zm//e62jQeTW/qXEZrk5I4qsk=
 github.com/Luet-lab/moby v17.12.0-ce-rc1.0.20200605210607-749178b8f80d+incompatible/go.mod h1:/XyFFC7lL96pE2kKmar2jd4LKxWzy1MmbiDHV0nK3bU=
@@ -30,6 +70,7 @@ github.com/Masterminds/sprig/v3 v3.1.0 h1:j7GpgZ7PdFqNsmncycTHsLmVPf5/3wJtlgW9TN
 github.com/Masterminds/sprig/v3 v3.1.0/go.mod h1:ONGMf7UfYGAbMXCZmQLy8x3lCDIPrEZE/rU8pmrbihA=
 github.com/Masterminds/squirrel v1.4.0/go.mod h1:yaPeOnPG5ZRwL9oKdTsO/prlkPbXWZlRVMQ/gGlzIuA=
 github.com/Masterminds/vcs v1.13.1/go.mod h1:N09YCmOQr6RLxC6UNHzuVwAdodYbbnycGHSmwVJjcKA=
+github.com/Microsoft/go-winio v0.4.14/go.mod h1:qXqCSQ3Xa7+6tgxaGTIe4Kpcdsi+P8jBhyzoq1bpyYA=
 github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
 github.com/Microsoft/go-winio v0.4.15-0.20200113171025-3fe6c5262873 h1:93nQ7k53GjoMQ07HVP8g6Zj1fQZDDj7Xy2VkNNtvX8o=
 github.com/Microsoft/go-winio v0.4.15-0.20200113171025-3fe6c5262873/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
@@ -80,6 +121,8 @@ github.com/aws/aws-sdk-go v1.15.11/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZo
 github.com/aws/aws-sdk-go v1.20.6/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.23.21/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.28.2/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
+github.com/aws/aws-sdk-go v1.31.6/go.mod h1:5zCpMtNQVjRREroY7sYe8lOMRSxkhG6MZveU8YkpAk0=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/aybabtme/rgbterm v0.0.0-20170906152045-cc83f3b3ce59/go.mod h1:q/89r3U2H7sSsE2t6Kca0lfwTK8JdoNGS/yzM/4iH5I=
 github.com/beorn7/perks v0.0.0-20160804104726-4c0e84591b9a/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
@@ -107,8 +150,12 @@ github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XL
 github.com/chai2010/gettext-go v0.0.0-20160711120539-c6fed771bfd5/go.mod h1:/iP1qXHoty45bqomnu2LM+VVyAEdWN+vtSHGlQgyxbw=
 github.com/chuckpreslar/emission v0.0.0-20170206194824-a7ddd980baf9 h1:xz6Nv3zcwO2Lila35hcb0QloCQsc38Al13RNEzWRpX4=
 github.com/chuckpreslar/emission v0.0.0-20170206194824-a7ddd980baf9/go.mod h1:2wSM9zJkl1UQEFZgSd68NfCgRz1VL1jzy/RjCg+ULrs=
+github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/codegangsta/inject v0.0.0-20150114235600-33e0aa1cb7c0 h1:sDMmm+q/3+BukdIpxwO365v/Rbspp2Nt5XntgQRXq8Q=
@@ -151,10 +198,12 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/crillab/gophersat v1.3.2-0.20201023142334-3fc2ac466765 h1:EO5Dm7O50aaEwv1GTFWNLAj7vNQ1OjW3+DeJCy1vTMk=
 github.com/crillab/gophersat v1.3.2-0.20201023142334-3fc2ac466765/go.mod h1:S91tHga1PCZzYhCkStwZAhvp1rCc+zqtSi55I+vDWGc=
 github.com/cyphar/filepath-securejoin v0.2.2 h1:jCwT2GTP+PY5nBz3c/YL5PAIbusElVrPujOBSCj8xRg=
 github.com/cyphar/filepath-securejoin v0.2.2/go.mod h1:FpkQEhXnPnOthhzymB7CGsFk2G9VLXONKD9G7QGMM+4=
+github.com/davecgh/go-spew v0.0.0-20151105211317-5215b55f46b2/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -166,10 +215,13 @@ github.com/dgrijalva/jwt-go v0.0.0-20170104182250-a601269ab70c/go.mod h1:E3ru+11
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
 github.com/dnaeon/go-vcr v1.0.1/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
+github.com/docker/cli v0.0.0-20191017083524-a8ff7f821017/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
+github.com/docker/cli v0.0.0-20200130152716-5d0cf8839492 h1:FwssHbCDJD025h+BchanCwE1Q8fyMgqDr2mOQAWOLGw=
 github.com/docker/cli v0.0.0-20200130152716-5d0cf8839492/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
 github.com/docker/distribution v0.0.0-20191216044856-a8371794149d/go.mod h1:0+TTO4EOBfRPhZXAeF1Vu+W3hHZ8eLp8PgKVZlcvtFY=
 github.com/docker/distribution v2.7.1+incompatible h1:a5mlkVzth6W5A4fOsS3D2EO5BUmsJpcB+cRlLU7cSug=
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@@ -195,13 +247,16 @@ github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkg
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
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@@ -216,6 +271,9 @@ github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
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@@ -271,6 +329,7 @@ github.com/go-openapi/validate v0.19.2/go.mod h1:1tRCw7m3jtI8eNWEEliiAqUIcBztB2K
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@@ -288,6 +347,7 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
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@@ -297,18 +357,26 @@ github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4er
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@@ -325,19 +393,31 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
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@@ -360,11 +440,13 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
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@@ -377,6 +459,7 @@ github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA
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@@ -406,16 +490,20 @@ github.com/jinzhu/copier v0.0.0-20180308034124-7e38e58719c3/go.mod h1:yL958EeXv8
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@@ -519,6 +608,7 @@ github.com/moby/sys/mountinfo v0.1.0/go.mod h1:w2t2Avltqx8vE7gX5l+QiBKxODu2TX0+S
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@@ -557,9 +649,11 @@ github.com/olekukonko/tablewriter v0.0.2/go.mod h1:rSAaSIOAGT9odnlyGlUfAJaoc5w2f
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@@ -570,6 +664,7 @@ github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1Cpa
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@@ -632,6 +727,7 @@ github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -676,6 +773,7 @@ github.com/rogpeppe/go-internal v1.4.0/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTE
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@@ -740,6 +839,7 @@ github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5J
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@@ -766,9 +866,11 @@ github.com/urfave/cli v1.22.1 h1:+mkCCcOFKPnCmVYVcURKps1Xe+3zP90gSYGNfRkjoIY=
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@@ -779,6 +881,8 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
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@@ -800,6 +904,8 @@ go.opencensus.io v0.22.0 h1:C9hSCOW830chIVkdja34wa6Ky+IzWllkUinR+BtRZd4=
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@@ -824,30 +930,58 @@ golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACk
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@@ -998,20 +1224,28 @@ google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLD
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@@ -1019,10 +1253,13 @@ gopkg.in/check.v1 v1.0.0-20141024133853-64131543e789/go.mod h1:Co6ibVJAznAaIkqp8
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@@ -1035,6 +1272,7 @@ gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
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 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -1057,9 +1295,12 @@ helm.sh/helm/v3 v3.3.4/go.mod h1:CyCGQa53/k1JFxXvXveGwtfJ4cuB9zkaBSGa5rnAiHU=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
+honnef.co/go/tools v0.0.1-2020.1.3 h1:sXmLre5bzIR6ypkjXCDI3jHPssRhc8KD/Ome589sc3U=
+honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
 k8s.io/api v0.18.8 h1:aIKUzJPb96f3fKec2lxtY7acZC9gQNDLVhfSGpxBAC4=
 k8s.io/api v0.18.8/go.mod h1:d/CXqwWv+Z2XEG1LgceeDmHQwpUJhROPx16SlxJgERY=
 k8s.io/apiextensions-apiserver v0.18.8 h1:pkqYPKTHa0/3lYwH7201RpF9eFm0lmZDFBNzhN+k/sA=
@@ -1070,22 +1311,38 @@ k8s.io/apiserver v0.18.8/go.mod h1:12u5FuGql8Cc497ORNj79rhPdiXQC4bf53X/skR/1YM=
 k8s.io/cli-runtime v0.18.8/go.mod h1:7EzWiDbS9PFd0hamHHVoCY4GrokSTPSL32MA4rzIu0M=
 k8s.io/client-go v0.18.8 h1:SdbLpIxk5j5YbFr1b7fq8S7mDgDjYmUxSbszyoesoDM=
 k8s.io/client-go v0.18.8/go.mod h1:HqFqMllQ5NnQJNwjro9k5zMyfhZlOwpuTLVrxjkYSxU=
+k8s.io/cloud-provider v0.18.8/go.mod h1:cn9AlzMPVIXA4HHLVbgGUigaQlZyHSZ7WAwDEFNrQSs=
+k8s.io/code-generator v0.17.2/go.mod h1:DVmfPQgxQENqDIzVR2ddLXMH34qeszkKSdH/N+s+38s=
 k8s.io/code-generator v0.18.8/go.mod h1:TgNEVx9hCyPGpdtCWA34olQYLkh3ok9ar7XfSsr8b6c=
 k8s.io/component-base v0.18.8/go.mod h1:00frPRDas29rx58pPCxNkhUfPbwajlyyvu8ruNgSErU=
+k8s.io/csi-translation-lib v0.18.8/go.mod h1:6cA6Btlzxy9s3QrS4BCZzQqclIWnTLr6Jx3H2ctAzY4=
 k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
+k8s.io/gengo v0.0.0-20190822140433-26a664648505/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/gengo v0.0.0-20200114144118-36b2048a9120/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
 k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v0.3.0/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
 k8s.io/klog v1.0.0 h1:Pt+yjF5aB1xDSVbau4VsWe+dQNzA0qv1LlXdC2dF6Q8=
 k8s.io/klog v1.0.0/go.mod h1:4Bi6QPql/J/LkTDqv7R/cd3hPo4k2DG6Ptcz060Ez5I=
+k8s.io/kube-openapi v0.0.0-20191107075043-30be4d16710a/go.mod h1:1TqjTSzOxsLGIKfj0lK8EeCP7K1iUG65v09OM0/WG5E=
 k8s.io/kube-openapi v0.0.0-20200410145947-61e04a5be9a6/go.mod h1:GRQhZsXIAJ1xR0C9bd8UpWHZ5plfAS9fzPjJuQ6JL3E=
 k8s.io/kubectl v0.18.8/go.mod h1:PlEgIAjOMua4hDFTEkVf+W5M0asHUKfE4y7VDZkpLHM=
 k8s.io/kubernetes v1.13.0/go.mod h1:ocZa8+6APFNC2tX1DZASIbocyYT5jHzqFVsY5aoB7Jk=
+k8s.io/legacy-cloud-providers v0.18.8/go.mod h1:tgp4xYf6lvjrWnjQwTOPvWQE9IVqSBGPF4on0IyICQE=
 k8s.io/metrics v0.18.8/go.mod h1:j7JzZdiyhLP2BsJm/Fzjs+j5Lb1Y7TySjhPWqBPwRXA=
 k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89 h1:d4vVOjXm687F1iLSP2q3lyPPuyvTUt3aVoBpi2DqRsU=
 k8s.io/utils v0.0.0-20200324210504-a9aa75ae1b89/go.mod h1:sZAwmy6armz5eXlNoLmJcl4F1QuKu7sr+mFQ0byX7Ew=
+modernc.org/cc v1.0.0/go.mod h1:1Sk4//wdnYJiUIxnW8ddKpaOJCF37yAdqYnkxUpaYxw=
+modernc.org/golex v1.0.0/go.mod h1:b/QX9oBD/LhixY6NDh+IdGv17hgB+51fET1i2kPSmvk=
+modernc.org/mathutil v1.0.0/go.mod h1:wU0vUrJsVWBZ4P6e7xtFJEhFSNsfRLJ8H458uRjg03k=
+modernc.org/strutil v1.0.0/go.mod h1:lstksw84oURvj9y3tn8lGvRxyRC1S2+g5uuIzNfIOBs=
+modernc.org/xc v1.0.0/go.mod h1:mRNCo0bvLjGhHO9WsyuKVU4q0ceiDDDoEeWDJHrNx8I=
+rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
+rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.0.7/go.mod h1:PHgbrJT7lCHcxMU+mDHEm+nx46H4zuuHZkDP6icnhu0=
 sigs.k8s.io/kustomize v2.0.3+incompatible/go.mod h1:MkjgH3RdOWrievjo6c9T245dYlB5QeXV4WCbnt/PEpU=
+sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e h1:4Z09Hglb792X0kfOBBJUPFEyvVfQWrYT/l8h5EKA6JQ=
+sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0-20200116222232-67a7b8c61874/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0 h1:dOmIZBMfhcHS09XZkMyUgkq5trg3/jRyJYFZUiaOp8E=
 sigs.k8s.io/structured-merge-diff/v3 v3.0.0/go.mod h1:PlARxl6Hbt/+BC80dRLi1qAmnMqwqDg62YvvVkZjemw=

pkg/bus/events.go

@@ -16,13 +16,28 @@ var (
 
 	// EventPackagePreBuild is the event fired before a package is being built
 	EventPackagePreBuild pluggable.EventType = "package.pre.build"
-	// EventPackagePreBuildArtifact is the event fired before a package artifact is being built
+	// EventPackagePreBuildArtifact is the event fired before a package tarball is being generated
 	EventPackagePreBuildArtifact pluggable.EventType = "package.pre.build_artifact"
-	// EventPackagePostBuildArtifact is the event fired after a package artifact was built
+	// EventPackagePostBuildArtifact is the event fired after a package tarball is generated
 	EventPackagePostBuildArtifact pluggable.EventType = "package.post.build_artifact"
 	// EventPackagePostBuild is the event fired after a package was built
 	EventPackagePostBuild pluggable.EventType = "package.post.build"
 
+	// Image build
+
+	// EventImagePreBuild is the event fired before a image is being built
+	EventImagePreBuild pluggable.EventType = "image.pre.build"
+	// EventImagePrePull is the event fired before a image is being pulled
+	EventImagePrePull pluggable.EventType = "image.pre.pull"
+	// EventImagePrePush is the event fired before a image is being pushed
+	EventImagePrePush pluggable.EventType = "image.pre.push"
+	// EventImagePostBuild is the event fired after an image is being built
+	EventImagePostBuild pluggable.EventType = "image.post.build"
+	// EventImagePostPull is the event fired after an image is being pulled
+	EventImagePostPull pluggable.EventType = "image.post.pull"
+	// EventImagePostPush is the event fired after an image is being pushed
+	EventImagePostPush pluggable.EventType = "image.post.push"
+
 	// Repository events
 
 	// EventRepositoryPreBuild is the event fired before a repository is being built
@@ -42,5 +57,11 @@ var Manager *pluggable.Manager = pluggable.NewManager(
 		EventPackagePostBuild,
 		EventRepositoryPreBuild,
 		EventRepositoryPostBuild,
+		EventImagePreBuild,
+		EventImagePrePull,
+		EventImagePrePush,
+		EventImagePostBuild,
+		EventImagePostPull,
+		EventImagePostPush,
 	},
 )

pkg/compiler/artifact.go

@@ -28,6 +28,7 @@ import (
 	"regexp"
 
 	system "github.com/docker/docker/pkg/system"
+	zstd "github.com/klauspost/compress/zstd"
 	gzip "github.com/klauspost/pgzip"
 
 	//"strconv"
@@ -47,8 +48,9 @@ import (
 type CompressionImplementation string
 
 const (
-	None CompressionImplementation = "none" // e.g. tar for standard packages
-	GZip CompressionImplementation = "gzip"
+	None      CompressionImplementation = "none" // e.g. tar for standard packages
+	GZip      CompressionImplementation = "gzip"
+	Zstandard CompressionImplementation = "zstd"
 )
 
 type ArtifactIndex []Artifact
@@ -242,6 +244,43 @@ func (a *PackageArtifact) SetPath(p string) {
 // Compress Archives and compress (TODO) to the artifact path
 func (a *PackageArtifact) Compress(src string, concurrency int) error {
 	switch a.CompressionType {
+
+	case Zstandard:
+		err := helpers.Tar(src, a.Path)
+		if err != nil {
+			return err
+		}
+		original, err := os.Open(a.Path)
+		if err != nil {
+			return err
+		}
+		defer original.Close()
+
+		zstdFile := a.Path + ".zstd"
+		bufferedReader := bufio.NewReader(original)
+
+		// Open a file for writing.
+		dst, err := os.Create(zstdFile)
+		if err != nil {
+			return err
+		}
+
+		enc, err := zstd.NewWriter(dst)
+		if err != nil {
+			return err
+		}
+		_, err = io.Copy(enc, bufferedReader)
+		if err != nil {
+			enc.Close()
+			return err
+		}
+		if err := enc.Close(); err != nil {
+			return err
+		}
+
+		os.RemoveAll(a.Path) // Remove original
+		a.Path = zstdFile
+		return nil
 	case GZip:
 		err := helpers.Tar(src, a.Path)
 		if err != nil {
@@ -367,6 +406,40 @@ func (a *PackageArtifact) Unpack(dst string, keepPerms bool) error {
 	tarModifier := helpers.NewTarModifierWrapper(dst, tarModifierWrapperFunc)
 
 	switch a.CompressionType {
+	case Zstandard:
+		// Create the uncompressed archive
+		archive, err := os.Create(a.GetPath() + ".uncompressed")
+		if err != nil {
+			return err
+		}
+		defer os.RemoveAll(a.GetPath() + ".uncompressed")
+		defer archive.Close()
+
+		original, err := os.Open(a.Path)
+		if err != nil {
+			return errors.Wrap(err, "Cannot open "+a.Path)
+		}
+		defer original.Close()
+
+		bufferedReader := bufio.NewReader(original)
+
+		d, err := zstd.NewReader(bufferedReader)
+		if err != nil {
+			return err
+		}
+		defer d.Close()
+
+		_, err = io.Copy(archive, d)
+		if err != nil {
+			return errors.Wrap(err, "Cannot copy to "+a.GetPath()+".uncompressed")
+		}
+
+		err = helpers.UntarProtect(a.GetPath()+".uncompressed", dst,
+			LuetCfg.GetGeneral().SameOwner, protectedFiles, tarModifier)
+		if err != nil {
+			return err
+		}
+		return nil
 	case GZip:
 		// Create the uncompressed archive
 		archive, err := os.Create(a.GetPath() + ".uncompressed")
@@ -412,6 +485,27 @@ func (a *PackageArtifact) Unpack(dst string, keepPerms bool) error {
 func (a *PackageArtifact) FileList() ([]string, error) {
 	var tr *tar.Reader
 	switch a.CompressionType {
+	case Zstandard:
+		archive, err := os.Create(a.GetPath() + ".uncompressed")
+		if err != nil {
+			return []string{}, err
+		}
+		defer os.RemoveAll(a.GetPath() + ".uncompressed")
+		defer archive.Close()
+
+		original, err := os.Open(a.Path)
+		if err != nil {
+			return []string{}, errors.Wrap(err, "Cannot open "+a.Path)
+		}
+		defer original.Close()
+
+		bufferedReader := bufio.NewReader(original)
+		r, err := zstd.NewReader(bufferedReader)
+		if err != nil {
+			return []string{}, err
+		}
+		defer r.Close()
+		tr = tar.NewReader(r)
 	case GZip:
 		// Create the uncompressed archive
 		archive, err := os.Create(a.GetPath() + ".uncompressed")

pkg/compiler/artifact_test.go

@@ -96,23 +96,28 @@ ENV PACKAGE_CATEGORY=app-admin`))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(dockerfile).To(Equal(`
 FROM luet/base
+COPY . /luetbuild
+WORKDIR /luetbuild
 ENV PACKAGE_NAME=enman
 ENV PACKAGE_VERSION=1.4.0
 ENV PACKAGE_CATEGORY=app-admin
 RUN echo foo > /test
 RUN echo bar > /test2`))
-			opts = CompilerBackendOptions{
+			opts2 := CompilerBackendOptions{
 				ImageName:      "test",
 				SourcePath:     tmpdir,
 				DockerFileName: "LuetDockerfile",
 				Destination:    filepath.Join(tmpdir, "output2.tar"),
 			}
-			Expect(b.ImageDefinitionToTar(opts)).ToNot(HaveOccurred())
+			Expect(b.ImageDefinitionToTar(opts2)).ToNot(HaveOccurred())
 			Expect(helpers.Exists(filepath.Join(tmpdir, "output2.tar"))).To(BeTrue())
-			diffs, err := b.Changes(filepath.Join(tmpdir2, "output1.tar"), filepath.Join(tmpdir, "output2.tar"))
+			diffs, err := b.Changes(opts, opts2)
 			Expect(err).ToNot(HaveOccurred())
 
-			artifacts := []ArtifactNode{}
+			artifacts := []ArtifactNode{{
+				Name: "/luetbuild/LuetDockerfile",
+				Size: 175,
+			}}
 			if os.Getenv("DOCKER_BUILDKIT") == "1" {
 				artifacts = append(artifacts, ArtifactNode{Name: "/etc/resolv.conf", Size: 0})
 			}

pkg/compiler/backend/common.go

@@ -0,0 +1,25 @@
+// Copyright © 2020 Ettore Di Giacinto <mudler@gentoo.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+
+package backend
+
+import (
+	"github.com/google/go-containerregistry/pkg/crane"
+)
+
+func imageAvailable(image string) bool {
+	_, err := crane.Digest(image)
+	return err == nil
+}

pkg/compiler/backend/diff.go

@@ -52,7 +52,10 @@ import (
 //     }
 //   }
 // ]
-func GenerateChanges(b compiler.CompilerBackend, srcImage, dstImage string) ([]compiler.ArtifactLayer, error) {
+func GenerateChanges(b compiler.CompilerBackend, fromImage, toImage compiler.CompilerBackendOptions) ([]compiler.ArtifactLayer, error) {
+
+	srcImage := fromImage.Destination
+	dstImage := toImage.Destination
 
 	res := compiler.ArtifactLayer{FromImage: srcImage, ToImage: dstImage}
 
@@ -95,6 +98,7 @@ func GenerateChanges(b compiler.CompilerBackend, srcImage, dstImage string) ([]c
 
 	srcImageExtract := compiler.CompilerBackendOptions{
 		SourcePath:  srcImage,
+		ImageName:   fromImage.ImageName,
 		Destination: srcRootFS,
 	}
 	err = b.ExtractRootfs(srcImageExtract, false) // No need to keep permissions as we just collect file diffs
@@ -123,6 +127,7 @@ func GenerateChanges(b compiler.CompilerBackend, srcImage, dstImage string) ([]c
 
 	dstImageExtract := compiler.CompilerBackendOptions{
 		SourcePath:  dstImage,
+		ImageName:   toImage.ImageName,
 		Destination: dstRootFS,
 	}
 	err = b.ExtractRootfs(dstImageExtract, false)

pkg/compiler/backend/diff_test.go

@@ -32,12 +32,14 @@ var _ = Describe("Docker image diffs", func() {
 
 	Context("Generate diffs from docker images", func() {
 		It("Detect no changes", func() {
-			err := b.DownloadImage(compiler.CompilerBackendOptions{
-				ImageName: "alpine:latest",
-			})
+			opts := compiler.CompilerBackendOptions{
+				ImageName:   "alpine:latest",
+				Destination: "alpine:latest",
+			}
+			err := b.DownloadImage(opts)
 			Expect(err).ToNot(HaveOccurred())
 
-			layers, err := GenerateChanges(b, "alpine:latest", "alpine:latest")
+			layers, err := GenerateChanges(b, opts, opts)
 			Expect(err).ToNot(HaveOccurred())
 			Expect(len(layers)).To(Equal(1))
 			Expect(len(layers[0].Diffs.Additions)).To(Equal(0))
@@ -55,7 +57,13 @@ var _ = Describe("Docker image diffs", func() {
 			})
 			Expect(err).ToNot(HaveOccurred())
 
-			layers, err := GenerateChanges(b, "quay.io/mocaccino/micro", "quay.io/mocaccino/extra")
+			layers, err := GenerateChanges(b, compiler.CompilerBackendOptions{
+				ImageName:   "quay.io/mocaccino/micro",
+				Destination: "quay.io/mocaccino/micro",
+			}, compiler.CompilerBackendOptions{
+				ImageName:   "quay.io/mocaccino/extra",
+				Destination: "quay.io/mocaccino/extra",
+			})
 			Expect(err).ToNot(HaveOccurred())
 			Expect(len(layers)).To(Equal(1))
 

pkg/compiler/backend/simpledocker.go

@@ -24,6 +24,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	docker "github.com/fsouza/go-dockerclient"
 	capi "github.com/mudler/docker-companion/api"
 
 	"github.com/mudler/luet/pkg/compiler"
@@ -45,6 +46,7 @@ func (*SimpleDocker) BuildImage(opts compiler.CompilerBackendOptions) error {
 	name := opts.ImageName
 	path := opts.SourcePath
 	dockerfileName := opts.DockerFileName
+
 	buildarg := []string{"build", "-f", dockerfileName, "-t", name, "."}
 
 	Debug(":whale2: Building image " + name)
@@ -56,6 +58,21 @@ func (*SimpleDocker) BuildImage(opts compiler.CompilerBackendOptions) error {
 	}
 	Info(":whale: Building image " + name + " done")
 
+	if os.Getenv("DOCKER_SQUASH") == "true" {
+		Info(":whale: Squashing image " + name)
+		var client *docker.Client
+
+		client, err = docker.NewClientFromEnv()
+		if err != nil {
+			return errors.Wrap(err, "could not connect to the Docker daemon")
+		}
+		err = capi.Squash(client, name, name)
+		if err != nil {
+			return errors.Wrap(err, "Failed squashing image")
+		}
+		Info(":whale: Squashing image " + name + " done")
+	}
+
 	if config.LuetCfg.GetGeneral().ShowBuildOutput {
 		Info(string(out))
 	} else {
@@ -83,7 +100,7 @@ func (*SimpleDocker) DownloadImage(opts compiler.CompilerBackendOptions) error {
 	cmd := exec.Command("docker", buildarg...)
 	out, err := cmd.CombinedOutput()
 	if err != nil {
-		return errors.Wrap(err, "Failed building image: "+string(out))
+		return errors.Wrap(err, "Failed pulling image: "+string(out))
 	}
 	Info(":whale: Downloaded image:", name)
 	return nil
@@ -102,6 +119,10 @@ func (*SimpleDocker) ImageExists(imagename string) bool {
 	return true
 }
 
+func (*SimpleDocker) ImageAvailable(imagename string) bool {
+	return imageAvailable(imagename)
+}
+
 func (*SimpleDocker) RemoveImage(opts compiler.CompilerBackendOptions) error {
 	name := opts.ImageName
 	buildarg := []string{"rmi", name}
@@ -222,7 +243,7 @@ func (*SimpleDocker) ExtractRootfs(opts compiler.CompilerBackendOptions, keepPer
 }
 
 // Changes retrieves changes between image layers
-func (d *SimpleDocker) Changes(fromImage, toImage string) ([]compiler.ArtifactLayer, error) {
+func (d *SimpleDocker) Changes(fromImage, toImage compiler.CompilerBackendOptions) ([]compiler.ArtifactLayer, error) {
 	diffs, err := GenerateChanges(d, fromImage, toImage)
 
 	if config.LuetCfg.GetGeneral().Debug {

pkg/compiler/backend/simpledocker_test.go

@@ -87,28 +87,33 @@ ENV PACKAGE_CATEGORY=app-admin`))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(dockerfile).To(Equal(`
 FROM luet/base
+COPY . /luetbuild
+WORKDIR /luetbuild
 ENV PACKAGE_NAME=enman
 ENV PACKAGE_VERSION=1.4.0
 ENV PACKAGE_CATEGORY=app-admin
 RUN echo foo > /test
 RUN echo bar > /test2`))
-			opts = CompilerBackendOptions{
+			opts2 := CompilerBackendOptions{
 				ImageName:      "test",
 				SourcePath:     tmpdir,
 				DockerFileName: "LuetDockerfile",
 				Destination:    filepath.Join(tmpdir, "output2.tar"),
 			}
-			Expect(b.ImageDefinitionToTar(opts)).ToNot(HaveOccurred())
+			Expect(b.ImageDefinitionToTar(opts2)).ToNot(HaveOccurred())
 			Expect(helpers.Exists(filepath.Join(tmpdir, "output2.tar"))).To(BeTrue())
 
-			artifacts := []ArtifactNode{}
+			artifacts := []ArtifactNode{{
+				Name: "/luetbuild/LuetDockerfile",
+				Size: 175,
+			}}
 			if os.Getenv("DOCKER_BUILDKIT") == "1" {
 				artifacts = append(artifacts, ArtifactNode{Name: "/etc/resolv.conf", Size: 0})
 			}
 			artifacts = append(artifacts, ArtifactNode{Name: "/test", Size: 4})
 			artifacts = append(artifacts, ArtifactNode{Name: "/test2", Size: 4})
 
-			Expect(b.Changes(filepath.Join(tmpdir2, "output1.tar"), filepath.Join(tmpdir, "output2.tar"))).To(Equal(
+			Expect(b.Changes(opts, opts2)).To(Equal(
 				[]ArtifactLayer{{
 					FromImage: filepath.Join(tmpdir2, "output1.tar"),
 					ToImage:   filepath.Join(tmpdir, "output2.tar"),
@@ -119,5 +124,11 @@ RUN echo bar > /test2`))
 
 		})
 
+		It("Detects available images", func() {
+			b := NewSimpleDockerBackend()
+			Expect(b.ImageAvailable("quay.io/mocaccino/extra")).To(BeTrue())
+			Expect(b.ImageAvailable("ubuntu:20.10")).To(BeTrue())
+			Expect(b.ImageAvailable("igjo5ijgo25nho52")).To(BeFalse())
+		})
 	})
 })

pkg/compiler/backend/simpleimg.go

@@ -59,7 +59,7 @@ func (*SimpleImg) RemoveImage(opts compiler.CompilerBackendOptions) error {
 	defer SpinnerStop()
 	out, err := exec.Command("img", buildarg...).CombinedOutput()
 	if err != nil {
-		return errors.Wrap(err, "Failed building image: "+string(out))
+		return errors.Wrap(err, "Failed removing image: "+string(out))
 	}
 
 	Info(":tea: Image " + name + " removed")
@@ -75,7 +75,7 @@ func (*SimpleImg) DownloadImage(opts compiler.CompilerBackendOptions) error {
 	cmd := exec.Command("img", buildarg...)
 	out, err := cmd.CombinedOutput()
 	if err != nil {
-		return errors.Wrap(err, "Failed building image: "+string(out))
+		return errors.Wrap(err, "Failed downloading image: "+string(out))
 	}
 
 	Info(":tea: Image " + name + " downloaded")
@@ -97,6 +97,10 @@ func (*SimpleImg) CopyImage(src, dst string) error {
 	return nil
 }
 
+func (*SimpleImg) ImageAvailable(imagename string) bool {
+	return imageAvailable(imagename)
+}
+
 func (*SimpleImg) ImageExists(imagename string) bool {
 	// NOOP: not implemented
 	// TODO: Since img doesn't have an inspect command,
@@ -124,7 +128,7 @@ func (*SimpleImg) ExportImage(opts compiler.CompilerBackendOptions) error {
 	Debug(":tea: Saving image " + name)
 	out, err := exec.Command("img", buildarg...).CombinedOutput()
 	if err != nil {
-		return errors.Wrap(err, "Failed building image: "+string(out))
+		return errors.Wrap(err, "Failed exporting image: "+string(out))
 	}
 	Info(":tea: Image " + name + " saved")
 	return nil
@@ -149,7 +153,7 @@ func (*SimpleImg) ExtractRootfs(opts compiler.CompilerBackendOptions, keepPerms
 
 // TODO: Use container-diff (https://github.com/GoogleContainerTools/container-diff) for checking out layer diffs
 // Changes uses container-diff (https://github.com/GoogleContainerTools/container-diff) for retrieving out layer diffs
-func (i *SimpleImg) Changes(fromImage, toImage string) ([]compiler.ArtifactLayer, error) {
+func (i *SimpleImg) Changes(fromImage, toImage compiler.CompilerBackendOptions) ([]compiler.ArtifactLayer, error) {
 	return GenerateChanges(i, fromImage, toImage)
 }
 

pkg/compiler/compiler.go

@@ -16,6 +16,7 @@
 package compiler
 
 import (
+	"archive/tar"
 	"fmt"
 	"io/ioutil"
 	"os"
@@ -27,6 +28,7 @@ import (
 	"time"
 
 	bus "github.com/mudler/luet/pkg/bus"
+	yaml "gopkg.in/yaml.v2"
 
 	"github.com/mudler/luet/pkg/helpers"
 	. "github.com/mudler/luet/pkg/logger"
@@ -65,7 +67,6 @@ func NewLuetCompiler(backend CompilerBackend, db pkg.PackageDatabase, opt *Compi
 		CompressionType: opt.CompressionType,
 		KeepImg:         opt.KeepImg,
 		Concurrency:     opt.Concurrency,
-		Clean:           opt.Clean,
 		Options:         *opt,
 		SolverOptions:   solvopts,
 	}
@@ -263,14 +264,22 @@ func (cs *LuetCompiler) unpackFs(rootfs string, concurrency int, p CompilationSp
 
 func (cs *LuetCompiler) unpackDelta(rootfs string, concurrency int, keepPermissions bool, p CompilationSpec, builderOpts, runnerOpts CompilerBackendOptions) (Artifact, error) {
 	pkgTag := ":package: " + p.GetPackage().HumanReadableString()
+	if cs.Options.PullFirst && !cs.Backend.ImageExists(builderOpts.ImageName) && cs.Backend.ImageAvailable(builderOpts.ImageName) {
+		err := cs.Backend.DownloadImage(builderOpts)
+		if err != nil {
+			return nil, errors.Wrap(err, "Could not pull image")
+		}
+	} else if !cs.Backend.ImageExists(builderOpts.ImageName) {
+		return nil, errors.New("No image found for " + builderOpts.ImageName)
+	}
 	if err := cs.Backend.ExportImage(builderOpts); err != nil {
-		return nil, errors.Wrap(err, "Could not export image")
+		return nil, errors.Wrap(err, "Could not export image"+builderOpts.ImageName)
 	}
 	if !cs.Options.KeepImageExport {
 		defer os.Remove(builderOpts.Destination)
 	}
 	Info(pkgTag, ":hammer: Generating delta")
-	diffs, err := cs.Backend.Changes(builderOpts.Destination, runnerOpts.Destination)
+	diffs, err := cs.Backend.Changes(builderOpts, runnerOpts)
 	if err != nil {
 		return nil, errors.Wrap(err, "Could not generate changes from layers")
 	}
@@ -303,13 +312,13 @@ func (cs *LuetCompiler) buildPackageImage(image, buildertaggedImage, packageImag
 	fp := p.GetPackage().HashFingerprint(packageImage)
 
 	if buildertaggedImage == "" {
-		buildertaggedImage = cs.ImageRepository + "-" + fp + "-builder"
+		buildertaggedImage = cs.ImageRepository + ":builder-" + fp
 		Debug(pkgTag, "Creating intermediary image", buildertaggedImage, "from", image)
 	}
 
 	// TODO:  Cleanup, not actually hit
 	if packageImage == "" {
-		packageImage = cs.ImageRepository + "-" + fp
+		packageImage = cs.ImageRepository + ":builder-invalid" + fp
 	}
 
 	p.SetSeedImage(image) // In this case, we ignore the build deps as we suppose that the image has them - otherwise we recompose the tree with a solver,
@@ -339,13 +348,15 @@ func (cs *LuetCompiler) buildPackageImage(image, buildertaggedImage, packageImag
 		}
 	}
 
-	Info(pkgTag, ":whale: Generating 'builder' image definition from", image)
-
 	// First we create the builder image
 	if err := p.WriteBuildImageDefinition(filepath.Join(buildDir, p.GetPackage().GetFingerPrint()+"-builder.dockerfile")); err != nil {
 		return builderOpts, runnerOpts, errors.Wrap(err, "Could not generate image definition")
 	}
 
+	if len(p.GetPreBuildSteps()) == 0 {
+		buildertaggedImage = image
+	}
+
 	// Then we write the step image, which uses the builder one
 	if err := p.WriteStepImageDefinition(buildertaggedImage, filepath.Join(buildDir, p.GetPackage().GetFingerPrint()+".dockerfile")); err != nil {
 		return builderOpts, runnerOpts, errors.Wrap(err, "Could not generate image definition")
@@ -367,27 +378,42 @@ func (cs *LuetCompiler) buildPackageImage(image, buildertaggedImage, packageImag
 	buildAndPush := func(opts CompilerBackendOptions) error {
 		buildImage := true
 		if cs.Options.PullFirst {
-			if err := cs.Backend.DownloadImage(opts); err == nil {
+			bus.Manager.Publish(bus.EventImagePrePull, opts)
+			err := cs.Backend.DownloadImage(opts)
+			if err == nil {
 				buildImage = false
+			} else {
+				Warning("Failed to download '" + opts.ImageName + "'. Will keep going and build the image unless you use --fatal")
+				Warning(err.Error())
 			}
+			bus.Manager.Publish(bus.EventImagePostPull, opts)
 		}
 		if buildImage {
+			bus.Manager.Publish(bus.EventImagePreBuild, opts)
 			if err := cs.Backend.BuildImage(opts); err != nil {
 				return errors.Wrap(err, "Could not build image: "+image+" "+opts.DockerFileName)
 			}
+			bus.Manager.Publish(bus.EventImagePostBuild, opts)
 			if cs.Options.Push {
+				bus.Manager.Publish(bus.EventImagePrePush, opts)
 				if err = cs.Backend.Push(opts); err != nil {
 					return errors.Wrap(err, "Could not push image: "+image+" "+opts.DockerFileName)
 				}
+				bus.Manager.Publish(bus.EventImagePostPush, opts)
 			}
 		}
 		return nil
 	}
-
-	if err := buildAndPush(builderOpts); err != nil {
-		return builderOpts, runnerOpts, errors.Wrap(err, "Could not push image: "+image+" "+builderOpts.DockerFileName)
+	if len(p.GetPreBuildSteps()) != 0 {
+		Info(pkgTag, ":whale: Generating 'builder' image from", image, "as", buildertaggedImage, "with prelude steps")
+		if err := buildAndPush(builderOpts); err != nil {
+			return builderOpts, runnerOpts, errors.Wrap(err, "Could not push image: "+image+" "+builderOpts.DockerFileName)
+		}
 	}
 
+	// Even if we might not have any steps to build, we do that so we can tag the image used in this moment and use that to cache it in a registry, or in the system.
+	// acting as a docker tag.
+	Info(pkgTag, ":whale: Generating 'package' image from", buildertaggedImage, "as", packageImage, "with build steps")
 	if err := buildAndPush(runnerOpts); err != nil {
 		return builderOpts, runnerOpts, errors.Wrap(err, "Could not push image: "+image+" "+builderOpts.DockerFileName)
 	}
@@ -410,6 +436,23 @@ func (cs *LuetCompiler) genArtifact(p CompilationSpec, builderOpts, runnerOpts C
 		unpack = true
 	}
 
+	if len(p.BuildSteps()) == 0 && len(p.GetPreBuildSteps()) == 0 && !unpack {
+		fakePackage := p.Rel(p.GetPackage().GetFingerPrint() + ".package.tar")
+		// We can't generate delta in this case. It implies the package is a virtual, and nothing has to be done really
+
+		file, err := os.Create(fakePackage)
+		if err != nil {
+			return nil, errors.Wrap(err, "Failed creating virtual package")
+		}
+		defer file.Close()
+		tw := tar.NewWriter(file)
+		defer tw.Close()
+
+		artifact := NewPackageArtifact(fakePackage)
+		artifact.SetCompressionType(cs.CompressionType)
+		return artifact, nil
+	}
+
 	// prepare folder content of the image with the package compiled inside
 	if err := cs.Backend.ExportImage(runnerOpts); err != nil {
 		return nil, errors.Wrap(err, "Failed exporting image")
@@ -437,13 +480,13 @@ func (cs *LuetCompiler) genArtifact(p CompilationSpec, builderOpts, runnerOpts C
 		// Take content of container as a base for our package files
 		artifact, err = cs.unpackFs(rootfs, concurrency, p)
 		if err != nil {
-			return nil, errors.Wrap(err, "Error met while creating package archive")
+			return nil, errors.Wrap(err, "Error met while extracting image")
 		}
 	} else {
 		// Generate delta between the two images
 		artifact, err = cs.unpackDelta(rootfs, concurrency, keepPermissions, p, builderOpts, runnerOpts)
 		if err != nil {
-			return nil, errors.Wrap(err, "Error met while creating package archive")
+			return nil, errors.Wrap(err, "Error met while generating delta")
 		}
 	}
 
@@ -464,17 +507,33 @@ func (cs *LuetCompiler) genArtifact(p CompilationSpec, builderOpts, runnerOpts C
 	return artifact, nil
 }
 
+func (cs *LuetCompiler) waitForImage(image string) {
+	if cs.Options.PullFirst && cs.Options.Wait && !cs.Backend.ImageAvailable(image) {
+		Info(fmt.Sprintf("Waiting for image %s to be available... :zzz:", image))
+		Spinner(22)
+		defer SpinnerStop()
+		for !cs.Backend.ImageAvailable(image) {
+			Info(fmt.Sprintf("Image %s not available yet, sleeping", image))
+			time.Sleep(5 * time.Second)
+		}
+	}
+}
+
 func (cs *LuetCompiler) compileWithImage(image, buildertaggedImage, packageImage string,
 	concurrency int,
 	keepPermissions, keepImg bool,
 	p CompilationSpec, generateArtifact bool) (Artifact, error) {
 
-	if !cs.Clean {
-		exists := cs.Backend.ImageExists(buildertaggedImage) && cs.Backend.ImageExists(packageImage)
-		if art, err := LoadArtifactFromYaml(p); err == nil && (cs.Options.SkipIfMetadataExists || exists) {
-			Debug("Artifact reloaded. Skipping build")
+	if !generateArtifact {
+		exists := cs.Backend.ImageExists(packageImage)
+		if art, err := LoadArtifactFromYaml(p); err == nil && exists { // If YAML is correctly loaded, and both images exists, no reason to rebuild.
+			Debug("Artifact reloaded from YAML. Skipping build")
 			return art, err
 		}
+		cs.waitForImage(packageImage)
+		if cs.Options.PullFirst && cs.Backend.ImageAvailable(packageImage) {
+			return &PackageArtifact{}, nil
+		}
 	}
 
 	builderOpts, runnerOpts, err := cs.buildPackageImage(image, buildertaggedImage, packageImage, concurrency, keepPermissions, p)
@@ -743,13 +802,25 @@ func (cs *LuetCompiler) FromPackage(p pkg.Package) (CompilationSpec, error) {
 
 		raw := packsRaw.Find(pack.GetName(), pack.GetCategory(), pack.GetVersion())
 
-		dat, err := helpers.RenderHelm(string(dataBuild), raw)
+		d := map[string]interface{}{}
+		if len(cs.Options.BuildValuesFile) > 0 {
+			defBuild, err := ioutil.ReadFile(cs.Options.BuildValuesFile)
+			if err != nil {
+				return nil, errors.Wrap(err, "rendering file "+val)
+			}
+			err = yaml.Unmarshal(defBuild, &d)
+			if err != nil {
+				return nil, errors.Wrap(err, "rendering file "+val)
+			}
+		}
+
+		dat, err := helpers.RenderHelm(string(dataBuild), raw, d)
 		if err != nil {
 			return nil, errors.Wrap(err, "rendering file "+pack.Rel(BuildFile))
 		}
 		dataresult = []byte(dat)
 	} else {
-		out, err := helpers.RenderFiles(pack.Rel(BuildFile), val)
+		out, err := helpers.RenderFiles(pack.Rel(BuildFile), val, cs.Options.BuildValuesFile)
 		if err != nil {
 			return nil, errors.Wrap(err, "rendering file "+pack.Rel(BuildFile))
 		}

pkg/compiler/compiler_test.go

@@ -50,8 +50,8 @@ var _ = Describe("Compiler", func() {
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			compiler.SetConcurrency(2)

pkg/compiler/interface.go

@@ -49,13 +49,13 @@ type CompilerOptions struct {
 	PullFirst, KeepImg, Push bool
 	Concurrency              int
 	CompressionType          CompressionImplementation
-	Clean                    bool
 	KeepImageExport          bool
 
-	OnlyDeps             bool
-	NoDeps               bool
-	SolverOptions        config.LuetSolverOptions
-	SkipIfMetadataExists bool
+	Wait            bool
+	OnlyDeps        bool
+	NoDeps          bool
+	SolverOptions   config.LuetSolverOptions
+	BuildValuesFile string
 
 	PackageTargetOnly bool
 }
@@ -68,7 +68,6 @@ func NewDefaultCompilerOptions() *CompilerOptions {
 		CompressionType: None,
 		KeepImg:         true,
 		Concurrency:     runtime.NumCPU(),
-		Clean:           true,
 		OnlyDeps:        false,
 		NoDeps:          false,
 	}
@@ -78,7 +77,7 @@ type CompilerBackend interface {
 	BuildImage(CompilerBackendOptions) error
 	ExportImage(CompilerBackendOptions) error
 	RemoveImage(CompilerBackendOptions) error
-	Changes(fromImage, toImage string) ([]ArtifactLayer, error)
+	Changes(fromImage, toImage CompilerBackendOptions) ([]ArtifactLayer, error)
 	ImageDefinitionToTar(CompilerBackendOptions) error
 	ExtractRootfs(opts CompilerBackendOptions, keepPerms bool) error
 
@@ -86,6 +85,7 @@ type CompilerBackend interface {
 	DownloadImage(opts CompilerBackendOptions) error
 
 	Push(opts CompilerBackendOptions) error
+	ImageAvailable(string) bool
 
 	ImageExists(string) bool
 }

pkg/compiler/spec.go

@@ -203,10 +203,9 @@ func (cs *LuetCompilationSpec) CopyRetrieves(dest string) error {
 	return err
 }
 
-// TODO: docker build image first. Then a backend can be used to actually spin up a container with it and run the steps within
-func (cs *LuetCompilationSpec) RenderBuildImage() (string, error) {
+func (cs *LuetCompilationSpec) genDockerfile(image string, steps []string) string {
 	spec := `
-FROM ` + cs.GetSeedImage() + `
+FROM ` + image + `
 COPY . /luetbuild
 WORKDIR /luetbuild
 ENV PACKAGE_NAME=` + cs.Package.GetName() + `
@@ -231,31 +230,22 @@ ADD ` + s + ` /luetbuild/`
 ENV ` + s
 	}
 
-	for _, s := range cs.GetPreBuildSteps() {
+	for _, s := range steps {
 		spec = spec + `
 RUN ` + s
 	}
-	return spec, nil
+	return spec
 }
 
-// TODO: docker build image first. Then a backend can be used to actually spin up a container with it and run the steps within
+// RenderBuildImage renders the dockerfile of the image used as a pre-build step
+func (cs *LuetCompilationSpec) RenderBuildImage() (string, error) {
+	return cs.genDockerfile(cs.GetSeedImage(), cs.GetPreBuildSteps()), nil
+
+}
+
+// RenderStepImage renders the dockerfile used for the image used for building the package
 func (cs *LuetCompilationSpec) RenderStepImage(image string) (string, error) {
-	spec := `
-FROM ` + image + `
-ENV PACKAGE_NAME=` + cs.Package.GetName() + `
-ENV PACKAGE_VERSION=` + cs.Package.GetVersion() + `
-ENV PACKAGE_CATEGORY=` + cs.Package.GetCategory()
-
-	for _, s := range cs.Env {
-		spec = spec + `
-ENV ` + s
-	}
-	for _, s := range cs.BuildSteps() {
-		spec = spec + `
-RUN ` + s
-	}
-
-	return spec, nil
+	return cs.genDockerfile(image, cs.BuildSteps()), nil
 }
 
 func (cs *LuetCompilationSpec) WriteBuildImageDefinition(path string) error {

pkg/compiler/spec_test.go

@@ -96,6 +96,8 @@ ENV test=1`))
 			Expect(err).ToNot(HaveOccurred())
 			Expect(dockerfile).To(Equal(`
 FROM luet/base
+COPY . /luetbuild
+WORKDIR /luetbuild
 ENV PACKAGE_NAME=enman
 ENV PACKAGE_VERSION=1.4.0
 ENV PACKAGE_CATEGORY=app-admin
@@ -168,9 +170,13 @@ ENV test=1`))
 
 		Expect(dockerfile).To(Equal(`
 FROM luet/base
+COPY . /luetbuild
+WORKDIR /luetbuild
 ENV PACKAGE_NAME=a
 ENV PACKAGE_VERSION=1.0
 ENV PACKAGE_CATEGORY=test
+ADD test /luetbuild/
+ADD http://www.google.com /luetbuild/
 ENV test=1
 RUN echo foo > /test
 RUN echo bar > /test2`))

pkg/config/config.go

@@ -28,6 +28,7 @@ import (
 	"time"
 
 	"github.com/mudler/luet/pkg/helpers"
+	pkg "github.com/mudler/luet/pkg/package"
 	solver "github.com/mudler/luet/pkg/solver"
 
 	v "github.com/spf13/viper"
@@ -71,6 +72,15 @@ type LuetSolverOptions struct {
 	Implementation solver.SolverType `mapstructure:"implementation"`
 }
 
+func (opts LuetSolverOptions) ResolverIsSet() bool {
+	switch opts.Type {
+	case solver.QLearningResolverType:
+		return true
+	default:
+		return false
+	}
+}
+
 func (opts LuetSolverOptions) Resolver() solver.PackageResolver {
 	switch opts.Type {
 	case solver.QLearningResolverType:
@@ -267,6 +277,16 @@ func GenDefault(viper *v.Viper) {
 	viper.SetDefault("solver.max_attempts", 9000)
 }
 
+func (c *LuetConfig) GetSystemDB() pkg.PackageDatabase {
+	switch LuetCfg.GetSystem().DatabaseEngine {
+	case "boltdb":
+		return pkg.NewBoltDatabase(
+			filepath.Join(LuetCfg.GetSystem().GetSystemRepoDatabaseDirPath(), "luet.db"))
+	default:
+		return pkg.NewInMemoryDatabase(true)
+	}
+}
+
 func (c *LuetConfig) AddSystemRepository(r LuetRepository) {
 	c.SystemRepositories = append(c.SystemRepositories, r)
 }

pkg/helpers/file.go

@@ -19,6 +19,8 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"sort"
+	"strings"
 	"time"
 
 	copy "github.com/otiai10/copy"
@@ -41,6 +43,8 @@ func OrderFiles(target string, files []string) ([]string, []string) {
 		}
 	}
 
+	dirs := []string{}
+
 	for _, f := range files {
 		target := filepath.Join(target, f)
 		fi, err := os.Lstat(target)
@@ -48,11 +52,16 @@ func OrderFiles(target string, files []string) ([]string, []string) {
 			continue
 		}
 		if m := fi.Mode(); m.IsDir() {
-			newFiles = append(newFiles, f)
+			dirs = append(dirs, f)
 		}
 	}
 
-	return newFiles, notPresent
+	// Compare how many sub paths there are, and push at the end the ones that have less subpaths
+	sort.Slice(dirs, func(i, j int) bool {
+		return len(strings.Split(dirs[i], string(os.PathSeparator))) > len(strings.Split(dirs[j], string(os.PathSeparator)))
+	})
+
+	return append(newFiles, dirs...), notPresent
 }
 
 func ListDir(dir string) ([]string, error) {

pkg/helpers/file_test.go

@@ -60,5 +60,27 @@ var _ = Describe("Helpers", func() {
 			Expect(ordered).To(Equal([]string{"baz", "bar/foo", "foo", "baz2/foo", "bar", "baz2"}))
 			Expect(notExisting).To(Equal([]string{"notexisting"}))
 		})
+
+		It("orders correctly when there are folders with folders", func() {
+			testDir, err := ioutil.TempDir(os.TempDir(), "test")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(testDir)
+
+			err = os.MkdirAll(filepath.Join(testDir, "bar"), os.ModePerm)
+			Expect(err).ToNot(HaveOccurred())
+			err = os.MkdirAll(filepath.Join(testDir, "foo"), os.ModePerm)
+			Expect(err).ToNot(HaveOccurred())
+
+			err = os.MkdirAll(filepath.Join(testDir, "foo", "bar"), os.ModePerm)
+			Expect(err).ToNot(HaveOccurred())
+
+			err = os.MkdirAll(filepath.Join(testDir, "foo", "baz"), os.ModePerm)
+			Expect(err).ToNot(HaveOccurred())
+			err = os.MkdirAll(filepath.Join(testDir, "foo", "baz", "fa"), os.ModePerm)
+			Expect(err).ToNot(HaveOccurred())
+
+			ordered, _ := OrderFiles(testDir, []string{"foo", "foo/bar", "bar", "foo/baz/fa", "foo/baz"})
+			Expect(ordered).To(Equal([]string{"foo/baz/fa", "foo/bar", "foo/baz", "foo", "bar"}))
+		})
 	})
 })

pkg/helpers/helm.go

@@ -11,7 +11,7 @@ import (
 )
 
 // RenderHelm renders the template string with helm
-func RenderHelm(template string, values map[string]interface{}) (string, error) {
+func RenderHelm(template string, values, d map[string]interface{}) (string, error) {
 	c := &chart.Chart{
 		Metadata: &chart.Metadata{
 			Name:    "",
@@ -23,7 +23,7 @@ func RenderHelm(template string, values map[string]interface{}) (string, error)
 		Values: map[string]interface{}{"Values": values},
 	}
 
-	v, err := chartutil.CoalesceValues(c, map[string]interface{}{})
+	v, err := chartutil.CoalesceValues(c, map[string]interface{}{"Values": d})
 	if err != nil {
 		return "", errors.Wrap(err, "while rendering template")
 	}
@@ -37,7 +37,7 @@ func RenderHelm(template string, values map[string]interface{}) (string, error)
 
 type templatedata map[string]interface{}
 
-func RenderFiles(toTemplate, valuesFile string) (string, error) {
+func RenderFiles(toTemplate, valuesFile string, defaultFile string) (string, error) {
 	raw, err := ioutil.ReadFile(toTemplate)
 	if err != nil {
 		return "", errors.Wrap(err, "reading file "+toTemplate)
@@ -46,14 +46,26 @@ func RenderFiles(toTemplate, valuesFile string) (string, error) {
 	if !Exists(valuesFile) {
 		return "", errors.Wrap(err, "file not existing "+valuesFile)
 	}
-	def, err := ioutil.ReadFile(valuesFile)
+	val, err := ioutil.ReadFile(valuesFile)
 	if err != nil {
 		return "", errors.Wrap(err, "reading file "+valuesFile)
 	}
 
 	var values templatedata
-	if err = yaml.Unmarshal(def, &values); err != nil {
+	d := templatedata{}
+	if len(defaultFile) > 0 {
+		def, err := ioutil.ReadFile(defaultFile)
+		if err != nil {
+			return "", errors.Wrap(err, "reading file "+valuesFile)
+		}
+		if err = yaml.Unmarshal(def, &d); err != nil {
+			return "", errors.Wrap(err, "unmarshalling file "+toTemplate)
+		}
+	}
+
+	if err = yaml.Unmarshal(val, &values); err != nil {
 		return "", errors.Wrap(err, "unmarshalling file "+toTemplate)
 	}
-	return RenderHelm(string(raw), values)
+
+	return RenderHelm(string(raw), values, d)
 }

pkg/helpers/helm_test.go

@@ -16,17 +16,132 @@
 package helpers_test
 
 import (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
 	. "github.com/mudler/luet/pkg/helpers"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
 )
 
+func writeFile(path string, content string) {
+	err := ioutil.WriteFile(path, []byte(content), 0644)
+	Expect(err).ToNot(HaveOccurred())
+}
+
 var _ = Describe("Helpers", func() {
 	Context("RenderHelm", func() {
 		It("Renders templates", func() {
-			out, err := RenderHelm("{{.Values.Test}}", map[string]interface{}{"Test": "foo"})
+			out, err := RenderHelm("{{.Values.Test}}{{.Values.Bar}}", map[string]interface{}{"Test": "foo"}, map[string]interface{}{"Bar": "bar"})
 			Expect(err).ToNot(HaveOccurred())
-			Expect(out).To(Equal("foo"))
+			Expect(out).To(Equal("foobar"))
+		})
+		It("Renders templates with overrides", func() {
+			out, err := RenderHelm("{{.Values.Test}}{{.Values.Bar}}", map[string]interface{}{"Test": "foo", "Bar": "baz"}, map[string]interface{}{"Bar": "bar"})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(out).To(Equal("foobar"))
+		})
+
+		It("Renders templates", func() {
+			out, err := RenderHelm("{{.Values.Test}}{{.Values.Bar}}", map[string]interface{}{"Test": "foo", "Bar": "bar"}, map[string]interface{}{})
+			Expect(err).ToNot(HaveOccurred())
+			Expect(out).To(Equal("foobar"))
+		})
+
+		It("Render files default overrides", func() {
+			testDir, err := ioutil.TempDir(os.TempDir(), "test")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(testDir)
+
+			toTemplate := filepath.Join(testDir, "totemplate.yaml")
+			values := filepath.Join(testDir, "values.yaml")
+			d := filepath.Join(testDir, "default.yaml")
+
+			writeFile(toTemplate, `{{.Values.foo}}`)
+			writeFile(values, `
+foo: "bar"
+`)
+			writeFile(d, `
+foo: "baz"
+`)
+
+			Expect(err).ToNot(HaveOccurred())
+
+			res, err := RenderFiles(toTemplate, values, d)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(res).To(Equal("baz"))
+
+		})
+
+		It("Render files from values", func() {
+			testDir, err := ioutil.TempDir(os.TempDir(), "test")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(testDir)
+
+			toTemplate := filepath.Join(testDir, "totemplate.yaml")
+			values := filepath.Join(testDir, "values.yaml")
+			d := filepath.Join(testDir, "default.yaml")
+
+			writeFile(toTemplate, `{{.Values.foo}}`)
+			writeFile(values, `
+foo: "bar"
+`)
+			writeFile(d, `
+faa: "baz"
+`)
+
+			Expect(err).ToNot(HaveOccurred())
+
+			res, err := RenderFiles(toTemplate, values, d)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(res).To(Equal("bar"))
+
+		})
+
+		It("Render files from values if no default", func() {
+			testDir, err := ioutil.TempDir(os.TempDir(), "test")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(testDir)
+
+			toTemplate := filepath.Join(testDir, "totemplate.yaml")
+			values := filepath.Join(testDir, "values.yaml")
+
+			writeFile(toTemplate, `{{.Values.foo}}`)
+			writeFile(values, `
+foo: "bar"
+`)
+
+			Expect(err).ToNot(HaveOccurred())
+
+			res, err := RenderFiles(toTemplate, values, "")
+			Expect(err).ToNot(HaveOccurred())
+			Expect(res).To(Equal("bar"))
+		})
+
+		It("doesn't interpolate if no one provides the values", func() {
+			testDir, err := ioutil.TempDir(os.TempDir(), "test")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(testDir)
+
+			toTemplate := filepath.Join(testDir, "totemplate.yaml")
+			values := filepath.Join(testDir, "values.yaml")
+			d := filepath.Join(testDir, "default.yaml")
+
+			writeFile(toTemplate, `{{.Values.foo}}`)
+			writeFile(values, `
+foao: "bar"
+`)
+			writeFile(d, `
+faa: "baz"
+`)
+
+			Expect(err).ToNot(HaveOccurred())
+
+			res, err := RenderFiles(toTemplate, values, d)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(res).To(Equal(""))
+
 		})
 	})
 })

pkg/installer/client/http.go

@@ -90,7 +90,7 @@ func (c *HttpClient) DownloadArtifact(artifact compiler.Artifact) (compiler.Arti
 		client := grab.NewClient()
 
 		for _, uri := range c.RepoData.Urls {
-			Info("Downloading artifact", artifactName, "from", uri)
+			Debug("Downloading artifact", artifactName, "from", uri)
 
 			u, err = url.Parse(uri)
 			if err != nil {
@@ -202,7 +202,7 @@ func (c *HttpClient) DownloadFile(name string) (string, error) {
 		}
 		u.Path = path.Join(u.Path, name)
 
-		Info("Downloading", u.String())
+		Debug("Downloading", u.String())
 
 		req, err = c.PrepareReq(temp, u.String())
 		if err != nil {

pkg/installer/installer.go

@@ -16,6 +16,7 @@
 package installer
 
 import (
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path/filepath"
@@ -83,7 +84,7 @@ func (l *LuetInstaller) computeUpgrade(syncedRepos Repositories, s *System) (pkg
 			return uninstall, toInstall, errors.Wrap(err, "Failed solving solution for upgrade")
 		}
 	} else {
-		uninstall, solution, err = solv.Upgrade(!l.Options.FullUninstall, l.Options.NoDeps)
+		uninstall, solution, err = solv.Upgrade(l.Options.FullUninstall, true)
 		if err != nil {
 			return uninstall, toInstall, errors.Wrap(err, "Failed solving solution for upgrade")
 		}
@@ -128,6 +129,15 @@ func packsToList(p pkg.Packages) string {
 	return strings.Join(packs, " ")
 }
 
+func matchesToList(artefacts map[string]ArtifactMatch) string {
+	var packs []string
+
+	for fingerprint, match := range artefacts {
+		packs = append(packs, fmt.Sprintf("%s (%s)", fingerprint, match.Repository.GetName()))
+	}
+	return strings.Join(packs, " ")
+}
+
 // Upgrade upgrades a System based on the Installer options. Returns error in case of failure
 func (l *LuetInstaller) Upgrade(s *System) error {
 
@@ -153,7 +163,7 @@ func (l *LuetInstaller) Upgrade(s *System) error {
 	}
 
 	if len(toInstall) > 0 {
-		Info(":zap: Packages that are going to be installed in the system:\n ", Green(packsToList(toInstall)).BgBlack().String())
+		Info(":zap:Packages that are going to be installed in the system:\n ", Green(packsToList(toInstall)).BgBlack().String())
 	}
 
 	if len(toInstall) == 0 && len(uninstall) == 0 {
@@ -165,7 +175,7 @@ func (l *LuetInstaller) Upgrade(s *System) error {
 		Info("By going forward, you are also accepting the licenses of the packages that you are going to install in your system.")
 		if Ask() {
 			l.Options.Ask = false // Don't prompt anymore
-			return l.swap(syncedRepos, uninstall, toInstall, s)
+			return l.swap(syncedRepos, uninstall, toInstall, s, true)
 		} else {
 			return errors.New("Aborted by user")
 		}
@@ -173,7 +183,7 @@ func (l *LuetInstaller) Upgrade(s *System) error {
 
 	Spinner(32)
 	defer SpinnerStop()
-	return l.swap(syncedRepos, uninstall, toInstall, s)
+	return l.swap(syncedRepos, uninstall, toInstall, s, true)
 }
 
 func (l *LuetInstaller) SyncRepositories(inMemory bool) (Repositories, error) {
@@ -203,19 +213,59 @@ func (l *LuetInstaller) Swap(toRemove pkg.Packages, toInstall pkg.Packages, s *S
 	if err != nil {
 		return err
 	}
-	return l.swap(syncedRepos, toRemove, toInstall, s)
+
+	toRemoveFinal := pkg.Packages{}
+	for _, p := range toRemove {
+		packs, _ := s.Database.FindPackages(p)
+		if len(packs) == 0 {
+			return errors.New("Package " + p.HumanReadableString() + " not found in the system")
+		}
+		for _, pp := range packs {
+			toRemoveFinal = append(toRemoveFinal, pp)
+		}
+	}
+
+	return l.swap(syncedRepos, toRemoveFinal, toInstall, s, false)
 }
 
-func (l *LuetInstaller) swap(syncedRepos Repositories, toRemove pkg.Packages, toInstall pkg.Packages, s *System) error {
-	// First match packages against repositories by priority
+func (l *LuetInstaller) computeSwap(syncedRepos Repositories, toRemove pkg.Packages, toInstall pkg.Packages, s *System) (map[string]ArtifactMatch, pkg.Packages, solver.PackagesAssertions, pkg.PackageDatabase, error) {
+
 	allRepos := pkg.NewInMemoryDatabase(false)
 	syncedRepos.SyncDatabase(allRepos)
+
 	toInstall = syncedRepos.ResolveSelectors(toInstall)
 
-	if err := l.download(syncedRepos, toInstall); err != nil {
-		return errors.Wrap(err, "Pre-downloading packages")
+	// First check what would have been done
+	installedtmp, err := s.Database.Copy()
+	if err != nil {
+		return nil, nil, nil, nil, errors.Wrap(err, "Failed create temporary in-memory db")
 	}
 
+	systemAfterChanges := &System{Database: installedtmp}
+
+	packs, err := l.computeUninstall(systemAfterChanges, toRemove...)
+	if err != nil && !l.Options.Force {
+		Error("Failed computing uninstall for ", packsToList(toRemove))
+		return nil, nil, nil, nil, errors.Wrap(err, "computing uninstall "+packsToList(toRemove))
+	}
+	for _, p := range packs {
+		err = systemAfterChanges.Database.RemovePackage(p)
+		if err != nil {
+			return nil, nil, nil, nil, errors.Wrap(err, "Failed removing package from database")
+		}
+	}
+
+	match, packages, assertions, allRepos, err := l.computeInstall(syncedRepos, toInstall, systemAfterChanges)
+	for _, p := range toInstall {
+		assertions = append(assertions, solver.PackageAssert{Package: p.(*pkg.DefaultPackage), Value: true})
+	}
+	return match, packages, assertions, allRepos, err
+}
+
+func (l *LuetInstaller) swap(syncedRepos Repositories, toRemove pkg.Packages, toInstall pkg.Packages, s *System, forceNodeps bool) error {
+	forced := l.Options.Force
+	nodeps := l.Options.NoDeps
+
 	// We don't want any conflict with the installed to raise during the upgrade.
 	// In this way we both force uninstalls and we avoid to check with conflicts
 	// against the current system state which is pending to deletion
@@ -223,24 +273,46 @@ func (l *LuetInstaller) swap(syncedRepos Repositories, toRemove pkg.Packages, to
 	// if the old A results installed in the system. This is due to the fact that
 	// now the solver enforces the constraints and explictly denies two packages
 	// of the same version installed.
-	forced := l.Options.Force
-
 	l.Options.Force = true
+	if forceNodeps {
+		l.Options.NoDeps = true
+	}
 
-	for _, u := range toRemove {
-		err := l.Uninstall(u, s)
-		if err != nil && !l.Options.Force {
-			Error("Failed uninstall for ", u.HumanReadableString())
-			return errors.Wrap(err, "uninstalling "+u.HumanReadableString())
+	match, packages, assertions, allRepos, err := l.computeSwap(syncedRepos, toRemove, toInstall, s)
+	if err != nil {
+		return errors.Wrap(err, "failed computing package replacement")
+	}
+
+	if l.Options.Ask {
+		if len(toRemove) > 0 {
+			Info(":recycle: Packages that are going to be removed from the system:\n ", Yellow(packsToList(toRemove)).BgBlack().String())
+		}
+
+		if len(match) > 0 {
+			Info("Packages that are going to be installed in the system: \n ", Green(matchesToList(match)).BgBlack().String())
+		}
+
+		Info("By going forward, you are also accepting the licenses of the packages that you are going to install in your system.")
+		if Ask() {
+			l.Options.Ask = false // Don't prompt anymore
+		} else {
+			return errors.New("Aborted by user")
 		}
 	}
-	l.Options.Force = forced
 
-	match, packages, assertions, allRepos, err := l.computeInstall(syncedRepos, toInstall, s)
-	if err != nil {
-		return errors.Wrap(err, "computing installation")
+	// First match packages against repositories by priority
+	if err := l.download(syncedRepos, match); err != nil {
+		return errors.Wrap(err, "Pre-downloading packages")
 	}
 
+	err = l.Uninstall(s, toRemove...)
+	if err != nil && !l.Options.Force {
+		Error("Failed uninstall for ", packsToList(toRemove))
+		return errors.Wrap(err, "uninstalling "+packsToList(toRemove))
+	}
+
+	l.Options.Force = forced
+	l.Options.NoDeps = nodeps
 	return l.install(syncedRepos, match, packages, assertions, allRepos, s)
 }
 
@@ -255,12 +327,33 @@ func (l *LuetInstaller) Install(cp pkg.Packages, s *System) error {
 		return err
 	}
 
-	if len(packages) > 0 {
-		Info("Packages that are going to be installed in the system: \n ", Green(packsToList(packages)).BgBlack().String())
-	} else {
+	// Check if we have to process something, or return to the user an error
+	if len(match) == 0 {
 		Info("No packages to install")
 		return nil
 	}
+	// Resolvers might decide to remove some packages from being installed
+	if !l.Options.SolverOptions.ResolverIsSet() {
+		for _, p := range cp {
+			found := false
+			vers, _ := s.Database.FindPackageVersions(p) // If was installed, it is found, as it was filtered
+			if len(vers) >= 1 {
+				found = true
+				continue
+			}
+
+			for _, m := range match {
+				if m.Package.GetName() == p.GetName() {
+					found = true
+				}
+			}
+
+			if !found {
+				return fmt.Errorf("Package '%s' not found", p.HumanReadableString())
+			}
+		}
+	}
+	Info("Packages that are going to be installed in the system: \n ", Green(matchesToList(match)).BgBlack().String())
 
 	if l.Options.Ask {
 		Info("By going forward, you are also accepting the licenses of the packages that you are going to install in your system.")
@@ -274,32 +367,8 @@ func (l *LuetInstaller) Install(cp pkg.Packages, s *System) error {
 	return l.install(syncedRepos, match, packages, assertions, allRepos, s)
 }
 
-func (l *LuetInstaller) download(syncedRepos Repositories, cp pkg.Packages) error {
-	toDownload := map[string]ArtifactMatch{}
+func (l *LuetInstaller) download(syncedRepos Repositories, toDownload map[string]ArtifactMatch) error {
 
-	// FIXME: This can be optimized. We don't need to re-match this to the repository
-	// But we could just do it once
-
-	// Gathers things to download
-	for _, currentPack := range cp {
-		matches := syncedRepos.PackageMatches(pkg.Packages{currentPack})
-		if len(matches) == 0 {
-			return errors.New("Failed matching solutions against repository for " + currentPack.HumanReadableString() + " where are definitions coming from?!")
-		}
-	A:
-		for _, artefact := range matches[0].Repo.GetIndex() {
-			if artefact.GetCompileSpec().GetPackage() == nil {
-				return errors.New("Package in compilespec empty")
-
-			}
-			if matches[0].Package.Matches(artefact.GetCompileSpec().GetPackage()) {
-
-				toDownload[currentPack.GetFingerPrint()] = ArtifactMatch{Package: currentPack, Artifact: artefact, Repository: matches[0].Repo}
-
-				break A
-			}
-		}
-	}
 	// Download packages into cache in parallel.
 	all := make(chan ArtifactMatch)
 
@@ -363,7 +432,7 @@ func (l *LuetInstaller) Reclaim(s *System) error {
 			return errors.Wrap(err, "Failed creating package")
 		}
 		s.Database.SetPackageFiles(&pkg.PackageFile{PackageFingerprint: pack.GetFingerPrint(), Files: match.Artifact.GetFiles()})
-		Info(":zap: Reclaimed package:", pack.HumanReadableString())
+		Info(":zap:Reclaimed package:", pack.HumanReadableString())
 	}
 	Info("Done!")
 
@@ -457,25 +526,13 @@ func (l *LuetInstaller) computeInstall(syncedRepos Repositories, cp pkg.Packages
 
 func (l *LuetInstaller) install(syncedRepos Repositories, toInstall map[string]ArtifactMatch, p pkg.Packages, solution solver.PackagesAssertions, allRepos pkg.PackageDatabase, s *System) error {
 	// Install packages into rootfs in parallel.
+	if err := l.download(syncedRepos, toInstall); err != nil {
+		return errors.Wrap(err, "Downloading packages")
+	}
+
 	all := make(chan ArtifactMatch)
 
-	var wg = new(sync.WaitGroup)
-
-	// Download first
-	for i := 0; i < l.Options.Concurrency; i++ {
-		wg.Add(1)
-		go l.downloadWorker(i, wg, all)
-	}
-
-	for _, c := range toInstall {
-		all <- c
-	}
-	close(all)
-	wg.Wait()
-
-	all = make(chan ArtifactMatch)
-
-	wg = new(sync.WaitGroup)
+	wg := new(sync.WaitGroup)
 
 	// Do the real install
 	for i := 0; i < l.Options.Concurrency; i++ {
@@ -534,7 +591,7 @@ func (l *LuetInstaller) install(syncedRepos Repositories, toInstall map[string]A
 		}
 	}
 
-	return s.ExecuteFinalizers(toFinalize, l.Options.Force)
+	return s.ExecuteFinalizers(toFinalize)
 }
 
 func (l *LuetInstaller) downloadPackage(a ArtifactMatch) (compiler.Artifact, error) {
@@ -545,7 +602,7 @@ func (l *LuetInstaller) downloadPackage(a ArtifactMatch) (compiler.Artifact, err
 	}
 
 	err = artifact.Verify()
-	if err != nil && !l.Options.Force {
+	if err != nil {
 		return nil, errors.Wrap(err, "Artifact integrity check failure")
 	}
 	return artifact, nil
@@ -579,15 +636,11 @@ func (l *LuetInstaller) downloadWorker(i int, wg *sync.WaitGroup, c <-chan Artif
 	for p := range c {
 		// TODO: Keep trace of what was added from the tar, and save it into system
 		_, err := l.downloadPackage(p)
-		if err != nil && !l.Options.Force {
-			//TODO: Uninstall, rollback.
-			Fatal("Failed installing package "+p.Package.GetName(), err.Error())
-			return errors.Wrap(err, "Failed installing package "+p.Package.GetName())
-		}
-		if err == nil {
-			Info("\n:package: Package ", p.Package.HumanReadableString(), "downloaded")
-		} else if err != nil && l.Options.Force {
-			Info("\n:package: ", p.Package.HumanReadableString(), "downloaded with failures (force download)")
+		if err != nil {
+			Fatal("Failed downloading package "+p.Package.GetName(), err.Error())
+			return errors.Wrap(err, "Failed downloading package "+p.Package.GetName())
+		} else {
+			Info(":package: Package ", p.Package.HumanReadableString(), "downloaded")
 		}
 	}
 
@@ -702,11 +755,11 @@ func (l *LuetInstaller) uninstall(p pkg.Package, s *System) error {
 
 	bus.Manager.Publish(bus.EventPackageUnInstall, p)
 
-	Info(":recycle:", p.GetFingerPrint(), "Removed :heavy_check_mark:")
+	Info(":recycle: ", p.GetFingerPrint(), "Removed :heavy_check_mark:")
 	return nil
 }
 
-func (l *LuetInstaller) computeUninstall(p pkg.Package, s *System) (pkg.Packages, error) {
+func (l *LuetInstaller) computeUninstall(s *System, packs ...pkg.Package) (pkg.Packages, error) {
 
 	var toUninstall pkg.Packages
 	// compute uninstall from all world - remove packages in parallel - run uninstall finalizer (in order) TODO - mark the uninstallation in db
@@ -720,13 +773,10 @@ func (l *LuetInstaller) computeUninstall(p pkg.Package, s *System) (pkg.Packages
 
 	// Create a temporary DB with the installed packages
 	// so the solver is much faster finding the deptree
-	installedtmp := pkg.NewInMemoryDatabase(false)
-
-	for _, i := range s.Database.World() {
-		_, err := installedtmp.CreatePackage(i)
-		if err != nil {
-			return toUninstall, errors.Wrap(err, "Failed create temporary in-memory db")
-		}
+	// First check what would have been done
+	installedtmp, err := s.Database.Copy()
+	if err != nil {
+		return toUninstall, errors.Wrap(err, "Failed create temporary in-memory db")
 	}
 
 	if !l.Options.NoDeps {
@@ -734,12 +784,12 @@ func (l *LuetInstaller) computeUninstall(p pkg.Package, s *System) (pkg.Packages
 		var solution pkg.Packages
 		var err error
 		if l.Options.FullCleanUninstall {
-			solution, err = solv.UninstallUniverse(pkg.Packages{p})
+			solution, err = solv.UninstallUniverse(packs)
 			if err != nil {
 				return toUninstall, errors.Wrap(err, "Could not solve the uninstall constraints. Tip: try with --solver-type qlearning or with --force, or by removing packages excluding their dependencies with --nodeps")
 			}
 		} else {
-			solution, err = solv.Uninstall(checkConflicts, full, p)
+			solution, err = solv.Uninstall(checkConflicts, full, packs...)
 			if err != nil && !l.Options.Force {
 				return toUninstall, errors.Wrap(err, "Could not solve the uninstall constraints. Tip: try with --solver-type qlearning or with --force, or by removing packages excluding their dependencies with --nodeps")
 			}
@@ -749,20 +799,26 @@ func (l *LuetInstaller) computeUninstall(p pkg.Package, s *System) (pkg.Packages
 			toUninstall = append(toUninstall, p)
 		}
 	} else {
-		toUninstall = append(toUninstall, p)
-
+		toUninstall = append(toUninstall, packs...)
 	}
 
 	return toUninstall, nil
 }
-func (l *LuetInstaller) Uninstall(p pkg.Package, s *System) error {
-	Spinner(32)
-	defer SpinnerStop()
+func (l *LuetInstaller) Uninstall(s *System, packs ...pkg.Package) error {
 
-	toUninstall, err := l.computeUninstall(p, s)
+	for _, p := range packs {
+		if packs, _ := s.Database.FindPackages(p); len(packs) == 0 {
+			return errors.New("Package not found in the system")
+		}
+
+	}
+
+	Spinner(32)
+	toUninstall, err := l.computeUninstall(s, packs...)
 	if err != nil {
 		return errors.Wrap(err, "while computing uninstall")
 	}
+	SpinnerStop()
 
 	uninstall := func() error {
 		for _, p := range toUninstall {
@@ -779,9 +835,8 @@ func (l *LuetInstaller) Uninstall(p pkg.Package, s *System) error {
 		return nil
 	}
 
-	Info(":recycle: Packages that are going to be removed from the system:\n   ", Yellow(packsToList(toUninstall)).BgBlack().String())
-
 	if l.Options.Ask {
+		Info(":recycle: Packages that are going to be removed from the system:\n   ", Yellow(packsToList(toUninstall)).BgBlack().String())
 		Info("By going forward, you are also accepting the licenses of the packages that you are going to install in your system.")
 		if Ask() {
 			l.Options.Ask = false // Don't prompt anymore

pkg/installer/installer_test.go

@@ -60,8 +60,8 @@ var _ = Describe("Installer", func() {
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			c.SetConcurrency(2)
@@ -134,7 +134,7 @@ urls:
 			Expect(err).ToNot(HaveOccurred())
 			Expect(p.GetName()).To(Equal("b"))
 
-			err = inst.Uninstall(&pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"}, system)
+			err = inst.Uninstall(system, &pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"})
 			Expect(err).ToNot(HaveOccurred())
 
 			// Nothing should be there anymore (files, packagedb entry)
@@ -176,8 +176,8 @@ urls:
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			c.SetConcurrency(2)
@@ -253,7 +253,7 @@ urls:
 			Expect(err).ToNot(HaveOccurred())
 			Expect(p.GetName()).To(Equal("b"))
 
-			err = inst.Uninstall(&pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"}, system)
+			err = inst.Uninstall(system, &pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"})
 			Expect(err).ToNot(HaveOccurred())
 
 			// Nothing should be there anymore (files, packagedb entry)
@@ -294,8 +294,8 @@ urls:
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			c.SetConcurrency(2)
@@ -373,7 +373,7 @@ urls:
 			Expect(files).To(Equal([]string{"artifact42", "test5", "test6"}))
 			Expect(err).ToNot(HaveOccurred())
 
-			err = inst.Uninstall(&pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"}, system)
+			err = inst.Uninstall(system, &pkg.DefaultPackage{Name: "b", Category: "test", Version: "1.0"})
 			Expect(err).ToNot(HaveOccurred())
 
 			// Nothing should be there anymore (files, packagedb entry)
@@ -412,8 +412,8 @@ urls:
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			c.SetConcurrency(2)
@@ -899,6 +899,47 @@ urls:
 
 	})
 
+	Context("Uninstallation", func() {
+		It("fails if package is required by others which are installed", func() {
+
+			fakeroot, err := ioutil.TempDir("", "fakeroot")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(fakeroot) // clean up
+			bolt, err := ioutil.TempDir("", "db")
+			Expect(err).ToNot(HaveOccurred())
+			defer os.RemoveAll(bolt) // clean up
+
+			systemDB := pkg.NewBoltDatabase(filepath.Join(bolt, "db.db"))
+			system := &System{Database: systemDB, Target: fakeroot}
+
+			inst := NewLuetInstaller(LuetInstallerOptions{Concurrency: 1, CheckConflicts: true})
+
+			D := pkg.NewPackage("D", "", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+			B := pkg.NewPackage("calamares", "", []*pkg.DefaultPackage{D}, []*pkg.DefaultPackage{})
+			C := pkg.NewPackage("kpmcore", "", []*pkg.DefaultPackage{B}, []*pkg.DefaultPackage{})
+			A := pkg.NewPackage("A", "", []*pkg.DefaultPackage{B}, []*pkg.DefaultPackage{})
+			Z := pkg.NewPackage("chromium", "", []*pkg.DefaultPackage{A}, []*pkg.DefaultPackage{})
+			F := pkg.NewPackage("F", "", []*pkg.DefaultPackage{Z, B}, []*pkg.DefaultPackage{})
+
+			Z.SetVersion("86.0.4240.193+2")
+			Z.SetCategory("www-client")
+			B.SetVersion("3.2.32.1+5")
+			B.SetCategory("app-admin")
+			C.SetVersion("4.2.0+2")
+			C.SetCategory("sys-libs-5")
+			D.SetVersion("5.19.5+9")
+			D.SetCategory("layers")
+
+			for _, p := range []pkg.Package{A, B, C, D, Z, F} {
+				_, err := systemDB.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			err = inst.Uninstall(system, D)
+			Expect(err).To(HaveOccurred())
+		})
+	})
+
 	Context("Existing files", func() {
 		It("Reclaims them", func() {
 			//repo:=NewLuetSystemRepository()

pkg/installer/interface.go

@@ -24,7 +24,7 @@ import (
 
 type Installer interface {
 	Install(pkg.Packages, *System) error
-	Uninstall(pkg.Package, *System) error
+	Uninstall(*System, ...pkg.Package) error
 	Upgrade(s *System) error
 	Reclaim(s *System) error
 

pkg/installer/repository.go

@@ -711,9 +711,12 @@ func (r *LuetSystemRepository) Sync(force bool) (Repository, error) {
 	repo.SetPriority(r.GetPriority())
 	repo.SetName(r.GetName())
 	InfoC(
-		aurora.Bold(
-			aurora.Yellow(":information_source: Repository "+repo.GetName()+" priority: ")).String() +
-			aurora.Bold(aurora.Green(repo.GetPriority())).String() + " - type " +
+		aurora.Yellow(":information_source:").String() +
+			aurora.Magenta("Repository: ").String() +
+			aurora.Green(aurora.Bold(repo.GetName()).String()).String() +
+			aurora.Magenta(" Priority: ").String() +
+			aurora.Bold(aurora.Green(repo.GetPriority())).String() +
+			aurora.Magenta(" Type: ").String() +
 			aurora.Bold(aurora.Green(repo.GetType())).String(),
 	)
 	return repo, nil
@@ -826,13 +829,11 @@ PACKAGE:
 				c, err := r.GetTree().GetDatabase().FindPackageCandidate(pack)
 				// If FindPackageCandidate returns the same package, it means it couldn't find one.
 				// Skip this repository and keep looking.
-				if c.String() == pack.String() {
+				if err != nil { //c.String() == pack.String() {
 					continue REPOSITORY
 				}
-				if err == nil {
-					matches = append(matches, c)
-					continue PACKAGE
-				}
+				matches = append(matches, c)
+				continue PACKAGE
 			} else {
 				// If it's not a selector, just append it
 				matches = append(matches, pack)

pkg/installer/repository_test.go

@@ -60,8 +60,8 @@ var _ = Describe("Repository", func() {
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			compiler.SetConcurrency(1)
@@ -133,8 +133,8 @@ var _ = Describe("Repository", func() {
 			Expect(err).ToNot(HaveOccurred())
 			defer os.RemoveAll(tmpdir) // clean up
 
-			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "./generate.sh"}))
-			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2", "chmod +x generate.sh"}))
+			Expect(spec.BuildSteps()).To(Equal([]string{"echo artifact5 > /test5", "echo artifact6 > /test6", "chmod +x generate.sh", "./generate.sh"}))
+			Expect(spec.GetPreBuildSteps()).To(Equal([]string{"echo foo > /test", "echo bar > /test2"}))
 
 			spec.SetOutputPath(tmpdir)
 			spec2.SetOutputPath(tmpdir)

pkg/installer/system.go

@@ -1,12 +1,11 @@
 package installer
 
 import (
-	. "github.com/mudler/luet/pkg/logger"
-
+	"github.com/hashicorp/go-multierror"
 	"github.com/mudler/luet/pkg/helpers"
+	. "github.com/mudler/luet/pkg/logger"
 	pkg "github.com/mudler/luet/pkg/package"
 	"github.com/mudler/luet/pkg/tree"
-	"github.com/pkg/errors"
 )
 
 type System struct {
@@ -20,28 +19,35 @@ func (s *System) World() (pkg.Packages, error) {
 
 type templatedata map[string]interface{}
 
-func (s *System) ExecuteFinalizers(packs []pkg.Package, force bool) error {
+func (s *System) ExecuteFinalizers(packs []pkg.Package) error {
+	var errs error
 	executedFinalizer := map[string]bool{}
 	for _, p := range packs {
 		if helpers.Exists(p.Rel(tree.FinalizerFile)) {
-			out, err := helpers.RenderFiles(p.Rel(tree.FinalizerFile), p.Rel(tree.DefinitionFile))
-			if err != nil && !force {
-				return errors.Wrap(err, "reading file "+p.Rel(tree.FinalizerFile))
+			out, err := helpers.RenderFiles(p.Rel(tree.FinalizerFile), p.Rel(tree.DefinitionFile), "")
+			if err != nil {
+				Warning("Failed rendering finalizer for ", p.HumanReadableString(), err.Error())
+				errs = multierror.Append(errs, err)
+				continue
 			}
 
 			if _, exists := executedFinalizer[p.GetFingerPrint()]; !exists {
 				Info("Executing finalizer for " + p.HumanReadableString())
 				finalizer, err := NewLuetFinalizerFromYaml([]byte(out))
-				if err != nil && !force {
-					return errors.Wrap(err, "Error reading finalizer "+p.Rel(tree.FinalizerFile))
+				if err != nil {
+					Warning("Failed reading finalizer for ", p.HumanReadableString(), err.Error())
+					errs = multierror.Append(errs, err)
+					continue
 				}
 				err = finalizer.RunInstall(s)
-				if err != nil && !force {
-					return errors.Wrap(err, "Error executing install finalizer "+p.Rel(tree.FinalizerFile))
+				if err != nil {
+					Warning("Failed running finalizer for ", p.HumanReadableString(), err.Error())
+					errs = multierror.Append(errs, err)
+					continue
 				}
 				executedFinalizer[p.GetFingerPrint()] = true
 			}
 		}
 	}
-	return nil
+	return errs
 }

pkg/logger/logger.go

@@ -202,7 +202,7 @@ func msg(level string, withoutColor bool, msg ...interface{}) {
 		case "info":
 			levelMsg = message
 		case "error":
-			levelMsg = Bold(Red(":bomb: " + message + ":fire:")).BgBlack().String()
+			levelMsg = Red(message).String()
 		}
 	}
 
@@ -248,6 +248,6 @@ func Error(mess ...interface{}) {
 }
 
 func Fatal(mess ...interface{}) {
-	Error(mess)
+	Error(mess...)
 	os.Exit(1)
 }

pkg/package/database.go

@@ -28,6 +28,9 @@ type PackageDatabase interface {
 }
 
 type PackageSet interface {
+	Clone(PackageDatabase) error
+	Copy() (PackageDatabase, error)
+
 	GetRevdeps(p Package) (Packages, error)
 	GetPackages() []string //Ids
 	CreatePackage(pkg Package) (string, error)

pkg/package/database_boltdb.go

@@ -47,6 +47,14 @@ func NewBoltDatabase(path string) PackageDatabase {
 	return &BoltDatabase{Path: path, ProvidesDatabase: map[string]map[string]Package{}}
 }
 
+func (db *BoltDatabase) Clone(to PackageDatabase) error {
+	return clone(db, to)
+}
+
+func (db *BoltDatabase) Copy() (PackageDatabase, error) {
+	return copy(db)
+}
+
 func (db *BoltDatabase) Get(s string) (string, error) {
 	bolt, err := storm.Open(db.Path, storm.BoltOptions(0600, &bbolt.Options{Timeout: 30 * time.Second}))
 	if err != nil {
@@ -90,9 +98,9 @@ func (db *BoltDatabase) Retrieve(ID string) ([]byte, error) {
 // TODO: Have a memory instance for boltdb, so we don't compute each time we get called
 // as this is REALLY expensive. But we don't perform usually those operations in a file db.
 func (db *BoltDatabase) GetRevdeps(p Package) (Packages, error) {
-	memory := NewInMemoryDatabase(false)
-	for _, p := range db.World() {
-		memory.CreatePackage(p)
+	memory, err := db.Copy()
+	if err != nil {
+		return nil, errors.New("Failed copying bolt db to memory")
 	}
 	return memory.GetRevdeps(p)
 }
@@ -341,17 +349,18 @@ func (db *BoltDatabase) FindPackageCandidate(p Package) (Package, error) {
 
 	required, err := db.FindPackage(p)
 	if err != nil {
-
+		err = nil
 		//	return nil, errors.Wrap(err, "Couldn't find required package in db definition")
 		packages, err := p.Expand(db)
 		//	Info("Expanded", packages, err)
 		if err != nil || len(packages) == 0 {
 			required = p
+			err = errors.Wrap(err, "Candidate not found")
 		} else {
 			required = packages.Best(nil)
 
 		}
-		return required, nil
+		return required, err
 		//required = &DefaultPackage{Name: "test"}
 	}
 
@@ -362,10 +371,22 @@ func (db *BoltDatabase) FindPackageCandidate(p Package) (Package, error) {
 // FindPackages return the list of the packages beloging to cat/name  (any versions in requested range)
 // FIXME: Optimize, see inmemorydb
 func (db *BoltDatabase) FindPackages(p Package) (Packages, error) {
+	if !p.IsSelector() {
+		pack, err := db.FindPackage(p)
+		if err != nil {
+			return []Package{}, err
+		}
+		return []Package{pack}, nil
+	}
+
 	// Provides: Treat as the replaced package here
 	if provided, err := db.getProvide(p); err == nil {
 		p = provided
+		if !provided.IsSelector() {
+			return Packages{provided}, nil
+		}
 	}
+
 	var versionsInWorld []Package
 	for _, w := range db.World() {
 		if w.GetName() != p.GetName() || w.GetCategory() != p.GetCategory() {

pkg/package/database_boltdb_test.go

@@ -81,7 +81,6 @@ var _ = Describe("BoltDB Database", func() {
 		})
 
 		It("Find best package candidate", func() {
-			db := NewInMemoryDatabase(false)
 			a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
 			a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
 			a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
@@ -102,7 +101,6 @@ var _ = Describe("BoltDB Database", func() {
 		})
 
 		It("Find specific package candidate", func() {
-			db := NewInMemoryDatabase(false)
 			a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
 			a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
 			a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
@@ -123,7 +121,6 @@ var _ = Describe("BoltDB Database", func() {
 		})
 
 		It("Provides replaces definitions", func() {
-			db := NewInMemoryDatabase(false)
 			a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
 			a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
 			a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
@@ -147,6 +144,144 @@ var _ = Describe("BoltDB Database", func() {
 			Expect(pack).To(Equal(a3))
 		})
 
+		Context("Provides", func() {
+
+			It("replaces definitions", func() {
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				a3.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}})
+				Expect(a3.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}}))
+
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a3)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				pack, err := db.FindPackage(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(pack).To(Equal(a3))
+			})
+
+			It("replaces definitions", func() {
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				a3.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}})
+				Expect(a3.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}}))
+
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a3)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(a3))
+			})
+
+			It("replaces definitions", func() {
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			It("replaces definitions of unexisting packages", func() {
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			It("replaces definitions of a required package", func() {
+
+				c := NewPackage("C", "1.1", []*DefaultPackage{{Name: "A", Category: "", Version: ">=0"}}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+				_, err = db.CreatePackage(c)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			When("Searching with selectors", func() {
+				It("replaces definitions of a required package", func() {
+
+					c := NewPackage("C", "1.1", []*DefaultPackage{{Name: "A", Category: "", Version: ">=0"}}, []*DefaultPackage{})
+					z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+					z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+					Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+					_, err := db.CreatePackage(z)
+					Expect(err).ToNot(HaveOccurred())
+					_, err = db.CreatePackage(c)
+					Expect(err).ToNot(HaveOccurred())
+
+					s := NewPackage("A", ">=1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+					packs, err := db.FindPackages(s)
+					Expect(err).ToNot(HaveOccurred())
+					Expect(packs).To(ContainElement(z))
+				})
+			})
+
+		})
+
 	})
 
 })

pkg/package/database_common.go

@@ -0,0 +1,38 @@
+// Copyright © 2020 Ettore Di Giacinto <mudler@gentoo.org>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, see <http://www.gnu.org/licenses/>.
+
+package pkg
+
+import "github.com/pkg/errors"
+
+func clone(src, dst PackageDatabase) error {
+	for _, i := range src.World() {
+		_, err := dst.CreatePackage(i)
+		if err != nil {
+			return errors.Wrap(err, "Failed create package "+i.HumanReadableString())
+		}
+	}
+	return nil
+}
+
+func copy(src PackageDatabase) (PackageDatabase, error) {
+	dst := NewInMemoryDatabase(false)
+
+	if err := clone(src, dst); err != nil {
+		return dst, errors.Wrap(err, "Failed create temporary in-memory db")
+	}
+
+	return dst, nil
+}

pkg/package/database_mem.go

@@ -213,6 +213,25 @@ func (db *InMemoryDatabase) populateCaches(p Package) {
 		db.CacheNoVersion[p.GetPackageName()] = make(map[string]interface{})
 	}
 	db.CacheNoVersion[p.GetPackageName()][p.GetVersion()] = nil
+
+	// Updating Revdeps
+	// Given that when we populate the cache we don't have the full db at hand
+	// We cycle over reverse dependency of a package to update their entry if they are matching
+	// the version selector
+	toUpdate, ok := db.RevDepsDatabase[pd.GetPackageName()]
+	if ok {
+		for _, pp := range toUpdate {
+			for _, re := range pp.GetRequires() {
+				if match, _ := pd.VersionMatchSelector(re.GetVersion(), nil); match {
+					_, ok = db.RevDepsDatabase[pd.GetFingerPrint()]
+					if !ok {
+						db.RevDepsDatabase[pd.GetFingerPrint()] = make(map[string]Package)
+					}
+					db.RevDepsDatabase[pd.GetFingerPrint()][pp.GetFingerPrint()] = pp
+				}
+			}
+		}
+	}
 	db.Unlock()
 
 	for _, re := range pd.GetRequires() {
@@ -225,12 +244,23 @@ func (db *InMemoryDatabase) populateCaches(p Package) {
 				db.RevDepsDatabase[pa.GetFingerPrint()] = make(map[string]Package)
 			}
 			db.RevDepsDatabase[pa.GetFingerPrint()][pd.GetFingerPrint()] = pd
+			_, ok = db.RevDepsDatabase[pa.GetPackageName()]
+			if !ok {
+				db.RevDepsDatabase[pa.GetPackageName()] = make(map[string]Package)
+			}
+			db.RevDepsDatabase[pa.GetPackageName()][pd.GetPackageName()] = pd
 		}
 		_, ok := db.RevDepsDatabase[re.GetFingerPrint()]
 		if !ok {
 			db.RevDepsDatabase[re.GetFingerPrint()] = make(map[string]Package)
 		}
 		db.RevDepsDatabase[re.GetFingerPrint()][pd.GetFingerPrint()] = pd
+		_, ok = db.RevDepsDatabase[re.GetPackageName()]
+		if !ok {
+			db.RevDepsDatabase[re.GetPackageName()] = make(map[string]Package)
+		}
+		db.RevDepsDatabase[re.GetPackageName()][pd.GetPackageName()] = pd
+
 		db.Unlock()
 	}
 }
@@ -270,6 +300,14 @@ func (db *InMemoryDatabase) getProvide(p Package) (Package, error) {
 	return db.FindPackage(pa)
 }
 
+func (db *InMemoryDatabase) Clone(to PackageDatabase) error {
+	return clone(db, to)
+}
+
+func (db *InMemoryDatabase) Copy() (PackageDatabase, error) {
+	return copy(db)
+}
+
 func (db *InMemoryDatabase) encodePackage(p Package) (string, string, error) {
 	pd, ok := p.(*DefaultPackage)
 	if !ok {
@@ -330,6 +368,9 @@ func (db *InMemoryDatabase) FindPackages(p Package) (Packages, error) {
 	// Provides: Treat as the replaced package here
 	if provided, err := db.getProvide(p); err == nil {
 		p = provided
+		if !provided.IsSelector() {
+			return Packages{provided}, nil
+		}
 	}
 
 	db.Lock()
@@ -431,16 +472,17 @@ func (db *InMemoryDatabase) FindPackageCandidate(p Package) (Package, error) {
 
 	required, err := db.FindPackage(p)
 	if err != nil {
+		err = nil
 		//	return nil, errors.Wrap(err, "Couldn't find required package in db definition")
 		packages, err := p.Expand(db)
 		//	Info("Expanded", packages, err)
 		if err != nil || len(packages) == 0 {
 			required = p
+			err = errors.Wrap(err, "Candidate not found")
 		} else {
 			required = packages.Best(nil)
-
 		}
-		return required, nil
+		return required, err
 		//required = &DefaultPackage{Name: "test"}
 	}
 

pkg/package/database_mem_test.go

@@ -98,30 +98,150 @@ var _ = Describe("Database", func() {
 
 		})
 
-		It("Provides replaces definitions", func() {
-			db := NewInMemoryDatabase(false)
-			a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
-			a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
-			a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+		Context("Provides", func() {
 
-			a3.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}})
-			Expect(a3.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}}))
+			It("replaces definitions", func() {
+				db := NewInMemoryDatabase(false)
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
 
-			_, err := db.CreatePackage(a)
-			Expect(err).ToNot(HaveOccurred())
+				a3.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}})
+				Expect(a3.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}}))
 
-			_, err = db.CreatePackage(a1)
-			Expect(err).ToNot(HaveOccurred())
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
 
-			_, err = db.CreatePackage(a3)
-			Expect(err).ToNot(HaveOccurred())
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
 
-			s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				_, err = db.CreatePackage(a3)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				pack, err := db.FindPackage(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(pack).To(Equal(a3))
+			})
+
+			It("replaces definitions", func() {
+				db := NewInMemoryDatabase(false)
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				a3 := NewPackage("A", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				a3.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}})
+				Expect(a3.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: "1.0"}}))
+
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a3)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(a3))
+			})
+
+			It("replaces definitions", func() {
+				db := NewInMemoryDatabase(false)
+				a := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(a)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			It("replaces definitions of unexisting packages", func() {
+				db := NewInMemoryDatabase(false)
+				a1 := NewPackage("A", "1.1", []*DefaultPackage{}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(a1)
+				Expect(err).ToNot(HaveOccurred())
+
+				_, err = db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			It("replaces definitions of a required package", func() {
+				db := NewInMemoryDatabase(false)
+
+				c := NewPackage("C", "1.1", []*DefaultPackage{{Name: "A", Category: "", Version: ">=0"}}, []*DefaultPackage{})
+				z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+				z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+				Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+				_, err := db.CreatePackage(z)
+				Expect(err).ToNot(HaveOccurred())
+				_, err = db.CreatePackage(c)
+				Expect(err).ToNot(HaveOccurred())
+
+				s := NewPackage("A", "1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+				packs, err := db.FindPackages(s)
+				Expect(err).ToNot(HaveOccurred())
+				Expect(packs).To(ContainElement(z))
+			})
+
+			When("Searching with selectors", func() {
+				It("replaces definitions of a required package", func() {
+					db := NewInMemoryDatabase(false)
+
+					c := NewPackage("C", "1.1", []*DefaultPackage{{Name: "A", Category: "", Version: ">=0"}}, []*DefaultPackage{})
+					z := NewPackage("Z", "1.3", []*DefaultPackage{}, []*DefaultPackage{})
+
+					z.SetProvides([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}})
+					Expect(z.GetProvides()).To(Equal([]*DefaultPackage{{Name: "A", Category: "", Version: ">=1.0"}}))
+
+					_, err := db.CreatePackage(z)
+					Expect(err).ToNot(HaveOccurred())
+					_, err = db.CreatePackage(c)
+					Expect(err).ToNot(HaveOccurred())
+
+					s := NewPackage("A", ">=1.0", []*DefaultPackage{}, []*DefaultPackage{})
+
+					packs, err := db.FindPackages(s)
+					Expect(err).ToNot(HaveOccurred())
+					Expect(packs).To(ContainElement(z))
+				})
+			})
 
-			pack, err := db.FindPackage(s)
-			Expect(err).ToNot(HaveOccurred())
-			Expect(pack).To(Equal(a3))
 		})
+
 	})
 
 })

pkg/solver/parallel.go

@@ -76,7 +76,7 @@ func (s *Parallel) noRulesInstalled() bool {
 	return true
 }
 
-func (s *Parallel) buildParallelFormula(formulas []bf.Formula, packages pkg.Packages) (bf.Formula, error) {
+func (s *Parallel) buildParallelFormula(db pkg.PackageDatabase, formulas []bf.Formula, packages pkg.Packages) (bf.Formula, error) {
 	var wg = new(sync.WaitGroup)
 	var wg2 = new(sync.WaitGroup)
 
@@ -87,7 +87,7 @@ func (s *Parallel) buildParallelFormula(formulas []bf.Formula, packages pkg.Pack
 		go func(wg *sync.WaitGroup, c <-chan pkg.Package) {
 			defer wg.Done()
 			for p := range c {
-				solvable, err := p.BuildFormula(s.DefinitionDatabase, s.ParallelDatabase)
+				solvable, err := p.BuildFormula(db, s.ParallelDatabase)
 				if err != nil {
 					panic(err)
 				}
@@ -126,13 +126,13 @@ func (s *Parallel) BuildInstalled() (bf.Formula, error) {
 	var packages pkg.Packages
 	for _, p := range s.Installed() {
 		packages = append(packages, p)
-		for _, dep := range p.Related(s.DefinitionDatabase) {
+		for _, dep := range p.Related(s.InstalledDatabase) {
 			packages = append(packages, dep)
 		}
 
 	}
 
-	return s.buildParallelFormula(formulas, packages)
+	return s.buildParallelFormula(s.InstalledDatabase, formulas, packages)
 }
 
 // BuildWorld builds the formula which olds the requirements from the package definitions
@@ -148,7 +148,7 @@ func (s *Parallel) BuildWorld(includeInstalled bool) (bf.Formula, error) {
 		//f = bf.And(f, solvable)
 		formulas = append(formulas, solvable)
 	}
-	return s.buildParallelFormula(formulas, s.World())
+	return s.buildParallelFormula(s.DefinitionDatabase, formulas, s.World())
 }
 
 // BuildWorld builds the formula which olds the requirements from the package definitions
@@ -200,7 +200,7 @@ func (s *Parallel) BuildPartialWorld(includeInstalled bool) (bf.Formula, error)
 	close(results)
 	wg2.Wait()
 
-	return s.buildParallelFormula(formulas, packages)
+	return s.buildParallelFormula(s.DefinitionDatabase, formulas, packages)
 
 	//return s.buildParallelFormula(formulas, s.World())
 }
@@ -446,10 +446,9 @@ func (s *Parallel) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAsse
 	removed := pkg.Packages{}
 
 	// TODO: this is memory expensive, we need to optimize this
-	universe := pkg.NewInMemoryDatabase(false)
-
-	for _, p := range s.DefinitionDatabase.World() {
-		universe.CreatePackage(p)
+	universe, err := s.DefinitionDatabase.Copy()
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "couldn't build world copy")
 	}
 	for _, p := range s.Installed() {
 		universe.CreatePackage(p)
@@ -471,23 +470,22 @@ func (s *Parallel) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAsse
 		go func(wg *sync.WaitGroup, c <-chan pkg.Package) {
 			defer wg.Done()
 			for p := range c {
-				available, err := universe.FindPackageVersions(p)
-				if err != nil {
-					removed = append(removed, p) /// FIXME: Racy
-				}
-				if len(available) == 0 {
+				available, err := s.DefinitionDatabase.FindPackageVersions(p)
+				if len(available) == 0 || err != nil {
+					removed = append(removed, p)
 					continue
 				}
 
 				bestmatch := available.Best(nil)
 				// Found a better version available
 				if !bestmatch.Matches(p) {
-					encodedP, _ := p.Encode(universe)
-					P := bf.Var(encodedP)
-					results <- bf.And(bf.Not(P), r)
-					encodedP, _ = bestmatch.Encode(universe)
-					P = bf.Var(encodedP)
-					results <- bf.And(P, r)
+					oldP, _ := p.Encode(universe)
+					toreplaceP := bf.Var(oldP)
+					best, _ := bestmatch.Encode(universe)
+					toUpgrade := bf.Var(best)
+
+					solvablenew, _ := bestmatch.BuildFormula(s.DefinitionDatabase, s.ParallelDatabase)
+					results <- bf.And(bf.Not(toreplaceP), bf.And(append(solvablenew, toUpgrade)...))
 				}
 			}
 		}(wg, all)
@@ -514,8 +512,7 @@ func (s *Parallel) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAsse
 	// Treat removed packages from universe as marked for deletion
 	if dropremoved {
 
-		// SAT encode the clauses against the world
-		for _, p := range removed {
+		for _, p := range removed.Unique() {
 			encodedP, err := p.Encode(universe)
 			if err != nil {
 				return nil, nil, errors.Wrap(err, "couldn't encode package")
@@ -560,9 +557,9 @@ func (s *Parallel) Upgrade(checkconflicts, full bool) (pkg.Packages, PackagesAss
 	toInstall := pkg.Packages{}
 
 	// we do this in memory so we take into account of provides
-	universe := pkg.NewInMemoryDatabase(false)
-	for _, p := range s.DefinitionDatabase.World() {
-		universe.CreatePackage(p)
+	universe, err := s.DefinitionDatabase.Copy()
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "Could not copy def db")
 	}
 
 	installedcopy := pkg.NewInMemoryDatabase(false)
@@ -699,7 +696,7 @@ func (s *Parallel) Uninstall(checkconflicts, full bool, packs ...pkg.Package) (p
 		}
 	}
 
-	s2 := &Parallel{Concurrency: s.Concurrency, InstalledDatabase: pkg.NewInMemoryDatabase(false), DefinitionDatabase: s.DefinitionDatabase, ParallelDatabase: pkg.NewInMemoryDatabase(false)}
+	s2 := &Parallel{Concurrency: s.Concurrency, InstalledDatabase: pkg.NewInMemoryDatabase(false), DefinitionDatabase: s.InstalledDatabase, ParallelDatabase: pkg.NewInMemoryDatabase(false)}
 	s2.SetResolver(s.Resolver)
 	// Get the requirements to install the candidate
 	asserts, err := s2.Install(toRemove)

pkg/solver/parallel_test.go

@@ -401,7 +401,7 @@ var _ = Describe("Parallel", func() {
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: D, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(3))
+			Expect(len(solution)).To(Equal(4))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -529,7 +529,7 @@ var _ = Describe("Parallel", func() {
 			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(5))
+			Expect(len(solution)).To(Equal(6))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -570,7 +570,7 @@ var _ = Describe("Parallel", func() {
 			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(5))
+			Expect(len(solution)).To(Equal(6))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -671,8 +671,9 @@ var _ = Describe("Parallel", func() {
 				Expect(err).ToNot(HaveOccurred())
 
 				Expect(solution).To(ContainElement(A))
+				Expect(solution).To(ContainElement(B))
 
-				Expect(len(solution)).To(Equal(1))
+				Expect(len(solution)).To(Equal(2))
 			})
 
 			It("Uninstalls complex packages correctly, even if shared deps are required by system packages", func() {
@@ -1285,12 +1286,172 @@ var _ = Describe("Parallel", func() {
 			Expect(uninstall[0].GetName()).To(Equal("a"))
 			Expect(uninstall[0].GetVersion()).To(Equal("1.1"))
 
-			Expect(solution).To(ContainElement(PackageAssert{Package: A1, Value: true}))
-			Expect(solution).To(ContainElement(PackageAssert{Package: B, Value: true}))
-			Expect(solution).To(ContainElement(PackageAssert{Package: C, Value: false}))
-			Expect(solution).To(ContainElement(PackageAssert{Package: A, Value: false}))
+			Expect(solution).ToNot(ContainElement(PackageAssert{Package: C, Value: true}))
+			Expect(solution).ToNot(ContainElement(PackageAssert{Package: A, Value: true}))
 
-			Expect(len(solution)).To(Equal(4))
+			Expect(len(solution)).To(Equal(3))
+		})
+
+		It("UpgradeUniverse upgrades correctly", func() {
+
+			D := pkg.NewPackage("d", "1.5", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D.SetCategory("test")
+			C = pkg.NewPackage("c", "1.5", []*pkg.DefaultPackage{
+				&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"},
+				&pkg.DefaultPackage{Name: "d", Version: ">=1.0", Category: "test"},
+			}, []*pkg.DefaultPackage{})
+			C.SetCategory("test")
+			C1 := pkg.NewPackage("c", "1.6", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			C1.SetCategory("test")
+			B = pkg.NewPackage("b", "1.0", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+			B.SetCategory("test")
+
+			B1 := pkg.NewPackage("b", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "c", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			B1.SetCategory("test")
+			A = pkg.NewPackage("a", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: "1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A.SetCategory("test")
+			A1 = pkg.NewPackage("a", "1.2", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A1.SetCategory("test")
+
+			for _, p := range []pkg.Package{A1, B, B1, C, C1, D} {
+				_, err := dbDefinitions.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			for _, p := range []pkg.Package{A, B, D} {
+				_, err := dbInstalled.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+			uninstall, solution, err := s.UpgradeUniverse(false)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(uninstall)).To(Equal(2))
+			Expect(uninstall).To(ContainElement(A))
+			Expect(uninstall).To(ContainElement(B))
+
+			Expect(solution).To(ContainElement(PackageAssert{Package: A1, Value: true}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: B1, Value: true}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: C1, Value: true}))
+
+			Expect(len(solution)).To(Equal(6))
+		})
+
+		It("UpgradeUniverse upgrades correctly", func() {
+
+			D := pkg.NewPackage("d", "1.5", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D.SetCategory("test")
+			D1 := pkg.NewPackage("d", "1.6", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D1.SetCategory("test")
+			C = pkg.NewPackage("c", "1.5", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+			C.SetCategory("test")
+			B = pkg.NewPackage("b", "1.0", []*pkg.DefaultPackage{
+				&pkg.DefaultPackage{Name: "c", Version: ">=1.0", Category: "test"},
+			}, []*pkg.DefaultPackage{})
+			B.SetCategory("test")
+
+			A = pkg.NewPackage("a", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: "1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A.SetCategory("test")
+
+			for _, p := range []pkg.Package{A, B, C, D, D1} {
+				_, err := dbDefinitions.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			for _, p := range []pkg.Package{A, B, C, D} {
+				_, err := dbInstalled.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+			uninstall, solution, err := s.UpgradeUniverse(false)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(uninstall)).To(Equal(1))
+			Expect(uninstall[0].GetName()).To(Equal("d"))
+			Expect(uninstall[0].GetVersion()).To(Equal("1.5"))
+
+			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: true}))
+
+			Expect(len(solution)).To(Equal(3))
+		})
+
+		It("Upgrade upgrades correctly", func() {
+
+			D := pkg.NewPackage("d", "1.5", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D.SetCategory("test")
+			C = pkg.NewPackage("c", "1.5", []*pkg.DefaultPackage{
+				&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"},
+				&pkg.DefaultPackage{Name: "d", Version: ">=1.0", Category: "test"},
+			}, []*pkg.DefaultPackage{})
+			C.SetCategory("test")
+			C1 := pkg.NewPackage("c", "1.6", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			C1.SetCategory("test")
+			B = pkg.NewPackage("b", "1.0", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+			B.SetCategory("test")
+
+			B1 := pkg.NewPackage("b", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "c", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			B1.SetCategory("test")
+			A = pkg.NewPackage("a", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: "1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A.SetCategory("test")
+			A1 = pkg.NewPackage("a", "1.2", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A1.SetCategory("test")
+
+			for _, p := range []pkg.Package{A1, B, B1, C, C1, D} {
+				_, err := dbDefinitions.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			for _, p := range []pkg.Package{A, B, D} {
+				_, err := dbInstalled.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+			uninstall, solution, err := s.Upgrade(false, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(uninstall)).To(Equal(2))
+			Expect(uninstall).To(ContainElement(A))
+			Expect(uninstall).To(ContainElement(B))
+
+			Expect(solution).To(ContainElement(PackageAssert{Package: A1, Value: true}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: B1, Value: true}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: C1, Value: true}))
+
+			Expect(len(solution)).To(Equal(6))
+		})
+
+		It("Upgrade upgrades correctly", func() {
+
+			D := pkg.NewPackage("d", "1.5", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D.SetCategory("test")
+			D1 := pkg.NewPackage("d", "1.6", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			D1.SetCategory("test")
+			C = pkg.NewPackage("c", "1.5", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+			C.SetCategory("test")
+			B = pkg.NewPackage("b", "1.0", []*pkg.DefaultPackage{
+				&pkg.DefaultPackage{Name: "c", Version: ">=1.0", Category: "test"},
+			}, []*pkg.DefaultPackage{})
+			B.SetCategory("test")
+
+			A = pkg.NewPackage("a", "1.1", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "b", Version: "1.0", Category: "test"}}, []*pkg.DefaultPackage{})
+			A.SetCategory("test")
+
+			for _, p := range []pkg.Package{A, B, C, D, D1} {
+				_, err := dbDefinitions.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			for _, p := range []pkg.Package{A, B, C, D} {
+				_, err := dbInstalled.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+			uninstall, solution, err := s.Upgrade(false, false)
+			Expect(err).ToNot(HaveOccurred())
+
+			Expect(len(uninstall)).To(Equal(1))
+			Expect(uninstall[0].GetName()).To(Equal("d"))
+			Expect(uninstall[0].GetVersion()).To(Equal("1.5"))
+
+			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: true}))
+
+			Expect(len(solution)).To(Equal(5))
 		})
 	})
 })

pkg/solver/solver.go

@@ -134,13 +134,13 @@ func (s *Solver) BuildInstalled() (bf.Formula, error) {
 	var packages pkg.Packages
 	for _, p := range s.Installed() {
 		packages = append(packages, p)
-		for _, dep := range p.Related(s.DefinitionDatabase) {
+		for _, dep := range p.Related(s.InstalledDatabase) {
 			packages = append(packages, dep)
 		}
 	}
 
 	for _, p := range packages {
-		solvable, err := p.BuildFormula(s.DefinitionDatabase, s.SolverDatabase)
+		solvable, err := p.BuildFormula(s.InstalledDatabase, s.SolverDatabase)
 		if err != nil {
 			return nil, err
 		}
@@ -266,7 +266,7 @@ func (s *Solver) Conflicts(pack pkg.Package, lsp pkg.Packages) (bool, error) {
 		if revdepsErr == nil {
 			revdepsErr = errors.New("")
 		}
-		revdepsErr = errors.New(fmt.Sprintf("%s\n%s", revdepsErr.Error(), r.HumanReadableString()))
+		revdepsErr = fmt.Errorf("%s\n%s", revdepsErr.Error(), r.HumanReadableString())
 	}
 
 	return len(revdeps) != 0, revdepsErr
@@ -278,7 +278,6 @@ func (s *Solver) ConflictsWith(pack pkg.Package, lsp pkg.Packages) (bool, error)
 	p, err := s.DefinitionDatabase.FindPackage(pack)
 	if err != nil {
 		p = pack //Relax search, otherwise we cannot compute solutions for packages not in definitions
-
 		//	return false, errors.Wrap(err, "Package not found in definition db")
 	}
 
@@ -399,23 +398,23 @@ func (s *Solver) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAssert
 	notUptodate := pkg.Packages{}
 	removed := pkg.Packages{}
 	toUpgrade := pkg.Packages{}
+	replacements := map[pkg.Package]pkg.Package{}
 
 	// TODO: this is memory expensive, we need to optimize this
-	universe := pkg.NewInMemoryDatabase(false)
-	for _, p := range s.DefinitionDatabase.World() {
-		universe.CreatePackage(p)
+	universe, err := s.DefinitionDatabase.Copy()
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "Failed copying db")
 	}
+
 	for _, p := range s.Installed() {
 		universe.CreatePackage(p)
 	}
 
 	// Grab all the installed ones, see if they are eligible for update
 	for _, p := range s.Installed() {
-		available, err := universe.FindPackageVersions(p)
-		if err != nil {
+		available, err := s.DefinitionDatabase.FindPackageVersions(p)
+		if len(available) == 0 || err != nil {
 			removed = append(removed, p)
-		}
-		if len(available) == 0 {
 			continue
 		}
 
@@ -424,6 +423,7 @@ func (s *Solver) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAssert
 		if !bestmatch.Matches(p) {
 			notUptodate = append(notUptodate, p)
 			toUpgrade = append(toUpgrade, bestmatch)
+			replacements[p] = bestmatch
 		}
 	}
 
@@ -437,28 +437,37 @@ func (s *Solver) UpgradeUniverse(dropremoved bool) (pkg.Packages, PackagesAssert
 
 	// Treat removed packages from universe as marked for deletion
 	if dropremoved {
-		notUptodate = append(notUptodate, removed...)
+		// SAT encode the clauses against the world
+		for _, p := range removed.Unique() {
+			encodedP, err := p.Encode(universe)
+			if err != nil {
+				return nil, nil, errors.Wrap(err, "couldn't encode package")
+			}
+			P := bf.Var(encodedP)
+			formulas = append(formulas, bf.And(bf.Not(P), r))
+		}
 	}
 
-	// SAT encode the clauses against the world
-	for _, p := range notUptodate.Unique() {
-		encodedP, err := p.Encode(universe)
+	for old, new := range replacements {
+		oldP, err := old.Encode(universe)
 		if err != nil {
 			return nil, nil, errors.Wrap(err, "couldn't encode package")
 		}
-		P := bf.Var(encodedP)
-		formulas = append(formulas, bf.And(bf.Not(P), r))
-	}
-
-	for _, p := range toUpgrade {
-		encodedP, err := p.Encode(universe)
+		oldencodedP := bf.Var(oldP)
+		newP, err := new.Encode(universe)
 		if err != nil {
 			return nil, nil, errors.Wrap(err, "couldn't encode package")
 		}
-		P := bf.Var(encodedP)
-		formulas = append(formulas, bf.And(P, r))
+		newEncodedP := bf.Var(newP)
+
+		//solvable, err := old.BuildFormula(s.DefinitionDatabase, s.SolverDatabase)
+		solvablenew, err := new.BuildFormula(s.DefinitionDatabase, s.SolverDatabase)
+
+		formulas = append(formulas, bf.And(bf.Not(oldencodedP), bf.And(append(solvablenew, newEncodedP)...)))
 	}
 
+	//formulas = append(formulas, r)
+
 	markedForRemoval := pkg.Packages{}
 
 	if len(formulas) == 0 {
@@ -492,10 +501,10 @@ func (s *Solver) Upgrade(checkconflicts, full bool) (pkg.Packages, PackagesAsser
 	toUninstall := pkg.Packages{}
 	toInstall := pkg.Packages{}
 
-	// we do this in memory so we take into account of provides
-	universe := pkg.NewInMemoryDatabase(false)
-	for _, p := range s.DefinitionDatabase.World() {
-		universe.CreatePackage(p)
+	// we do this in memory so we take into account of provides, and its faster
+	universe, err := s.DefinitionDatabase.Copy()
+	if err != nil {
+		return nil, nil, errors.Wrap(err, "failed creating db copy")
 	}
 
 	installedcopy := pkg.NewInMemoryDatabase(false)
@@ -581,7 +590,7 @@ func (s *Solver) Uninstall(checkconflicts, full bool, packs ...pkg.Package) (pkg
 	if !full && checkconflicts {
 		for _, candidate := range toRemove {
 			if conflicts, err := s.Conflicts(candidate, s.Installed()); conflicts {
-				return nil, err
+				return nil, errors.Wrap(err, "while searching for "+candidate.HumanReadableString()+" conflicts")
 			}
 		}
 		return toRemove, nil
@@ -607,7 +616,7 @@ func (s *Solver) Uninstall(checkconflicts, full bool, packs ...pkg.Package) (pkg
 		}
 	}
 
-	s2 := NewSolver(Options{Type: SingleCoreSimple}, pkg.NewInMemoryDatabase(false), s.DefinitionDatabase, pkg.NewInMemoryDatabase(false))
+	s2 := NewSolver(Options{Type: SingleCoreSimple}, pkg.NewInMemoryDatabase(false), s.InstalledDatabase, pkg.NewInMemoryDatabase(false))
 	s2.SetResolver(s.Resolver)
 
 	// Get the requirements to install the candidate

pkg/solver/solver_test.go

@@ -401,7 +401,7 @@ var _ = Describe("Solver", func() {
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: D, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(3))
+			Expect(len(solution)).To(Equal(4))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -529,7 +529,7 @@ var _ = Describe("Solver", func() {
 			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(5))
+			Expect(len(solution)).To(Equal(6))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -570,7 +570,7 @@ var _ = Describe("Solver", func() {
 			Expect(solution).To(ContainElement(PackageAssert{Package: D1, Value: false}))
 			Expect(solution).ToNot(ContainElement(PackageAssert{Package: E, Value: true}))
 
-			Expect(len(solution)).To(Equal(5))
+			Expect(len(solution)).To(Equal(6))
 			Expect(err).ToNot(HaveOccurred())
 		})
 
@@ -671,8 +671,9 @@ var _ = Describe("Solver", func() {
 				Expect(err).ToNot(HaveOccurred())
 
 				Expect(solution).To(ContainElement(A))
+				Expect(solution).To(ContainElement(B))
 
-				Expect(len(solution)).To(Equal(1))
+				Expect(len(solution)).To(Equal(2))
 			})
 
 			It("Uninstalls complex packages correctly, even if shared deps are required by system packages", func() {
@@ -752,6 +753,33 @@ var _ = Describe("Solver", func() {
 
 			})
 
+			It("Fails to uninstall if a package is required", func() {
+				D := pkg.NewPackage("D", "", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+				B := pkg.NewPackage("B", "", []*pkg.DefaultPackage{D}, []*pkg.DefaultPackage{})
+				C := pkg.NewPackage("C", "", []*pkg.DefaultPackage{B}, []*pkg.DefaultPackage{})
+				A := pkg.NewPackage("A", "", []*pkg.DefaultPackage{B}, []*pkg.DefaultPackage{})
+				Z := pkg.NewPackage("Z", "", []*pkg.DefaultPackage{A}, []*pkg.DefaultPackage{})
+				F := pkg.NewPackage("F", "", []*pkg.DefaultPackage{Z, B}, []*pkg.DefaultPackage{})
+
+				Z.SetVersion("1.4101.dvw.dqc.")
+				B.SetVersion("1.4101qe.eq.ff..dvw.dqc.")
+				C.SetVersion("1.aaaa.eq.ff..dvw.dqc.")
+
+				for _, p := range []pkg.Package{A, B, C, D, Z, F} {
+					_, err := dbDefinitions.CreatePackage(p)
+					Expect(err).ToNot(HaveOccurred())
+				}
+
+				for _, p := range []pkg.Package{A, B, C, D, Z, F} {
+					_, err := dbInstalled.CreatePackage(p)
+					Expect(err).ToNot(HaveOccurred())
+				}
+
+				solution, err := s.Uninstall(true, false, B)
+				Expect(err).To(HaveOccurred())
+				Expect(len(solution)).To(Equal(0))
+			})
+
 			It("UninstallUniverse simple package correctly", func() {
 
 				C := pkg.NewPackage("C", "", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
@@ -1209,6 +1237,8 @@ var _ = Describe("Solver", func() {
 		})
 	})
 	Context("Upgrades", func() {
+		E := pkg.NewPackage("e", "1.5", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
+		E.SetCategory("test")
 		C := pkg.NewPackage("c", "1.5", []*pkg.DefaultPackage{&pkg.DefaultPackage{Name: "a", Version: ">=1.0", Category: "test"}}, []*pkg.DefaultPackage{})
 		C.SetCategory("test")
 		B := pkg.NewPackage("b", "1.0", []*pkg.DefaultPackage{}, []*pkg.DefaultPackage{})
@@ -1296,10 +1326,37 @@ var _ = Describe("Solver", func() {
 
 			Expect(solution).To(ContainElement(PackageAssert{Package: A1, Value: true}))
 			Expect(solution).To(ContainElement(PackageAssert{Package: B, Value: true}))
-			Expect(solution).To(ContainElement(PackageAssert{Package: C, Value: false}))
 			Expect(solution).To(ContainElement(PackageAssert{Package: A, Value: false}))
 
-			Expect(len(solution)).To(Equal(4))
+			Expect(solution).ToNot(ContainElement(PackageAssert{Package: C, Value: true}))
+			Expect(solution).ToNot(ContainElement(PackageAssert{Package: A, Value: true}))
+
+			Expect(len(solution)).To(Equal(3))
+		})
+
+		It("Suggests to remove untracked packages", func() {
+			for _, p := range []pkg.Package{E} {
+				_, err := dbDefinitions.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+
+			for _, p := range []pkg.Package{A, B, C, E} {
+				_, err := dbInstalled.CreatePackage(p)
+				Expect(err).ToNot(HaveOccurred())
+			}
+			uninstall, solution, err := s.UpgradeUniverse(true)
+			Expect(err).ToNot(HaveOccurred())
+			Expect(len(uninstall)).To(Equal(3))
+
+			Expect(uninstall).To(ContainElement(B))
+			Expect(uninstall).To(ContainElement(A))
+			Expect(uninstall).To(ContainElement(C))
+
+			Expect(solution).To(ContainElement(PackageAssert{Package: C, Value: false}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: B, Value: false}))
+			Expect(solution).To(ContainElement(PackageAssert{Package: A, Value: false}))
+
+			Expect(len(solution)).To(Equal(3))
 		})
 	})
 })

pkg/tree/compiler_recipe.go

@@ -92,7 +92,7 @@ func (r *CompilerRecipe) Load(path string) error {
 			compileDefPath := pack.Rel(CompilerDefinitionFile)
 			if helpers.Exists(compileDefPath) {
 
-				dat, err := helpers.RenderFiles(compileDefPath, currentpath)
+				dat, err := helpers.RenderFiles(compileDefPath, currentpath, "")
 				if err != nil {
 					return errors.Wrap(err,
 						"Error templating file "+CompilerDefinitionFile+" from "+
@@ -137,7 +137,7 @@ func (r *CompilerRecipe) Load(path string) error {
 					if err != nil {
 						return errors.Wrap(err, "Error reading file "+currentpath)
 					}
-					dat, err := helpers.RenderHelm(string(buildyaml), raw)
+					dat, err := helpers.RenderHelm(string(buildyaml), raw, map[string]interface{}{})
 					if err != nil {
 						return errors.Wrap(err,
 							"Error templating file "+CompilerDefinitionFile+" from "+

tests/fixtures/build_values/build.yaml

@@ -0,0 +1,7 @@
+image: quay.io/mocaccino/extra
+steps:
+- touch /{{.Values.name}}
+- touch /build-extra-{{.Values.foo}}
+- touch /{{.Values.name}}-{{.Values.bb}}
+
+unpack: true

tests/fixtures/build_values/collection.yaml

@@ -0,0 +1,13 @@
+packages:
+- name: "a"
+  category: "distro"
+  version: "0.1"
+  foo: "baz"
+- name: "b"
+  category: "distro"
+  version: "0.3"
+  foo: "f"
+- name: "c"
+  category: "distro"
+  version: "0.3"
+  foo: "bar"

tests/fixtures/build_values/finalize.yaml

@@ -0,0 +1,2 @@
+install:
+- touch /finalize-{{.Values.name}}

tests/fixtures/build_values/pack/build.yaml

@@ -0,0 +1,4 @@
+image: quay.io/mocaccino/extra
+steps:
+- touch /{{.Values.name}}
+- touch /{{.Values.name}}-{{.Values.bb}}

tests/fixtures/build_values/pack/definition.yaml

@@ -0,0 +1,3 @@
+name: foo
+category: test
+version: "1.1"

tests/fixtures/buildable/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/buildableseed/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/expansion/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/finalizers_upgrade/alpine old/build.yaml

@@ -0,0 +1,6 @@
+image: "alpine"
+unpack: true
+excludes:
+  - /sys/.*
+  - /proc/.*
+  - /etc/.*

tests/fixtures/finalizers_upgrade/alpine old/definition.yaml

@@ -0,0 +1,3 @@
+category: "seed"
+name: "alpine"
+version: "0.9"

tests/fixtures/finalizers_upgrade/alpine/build.yaml

@@ -0,0 +1,6 @@
+image: "alpine"
+unpack: true
+excludes:
+  - /sys/.*
+  - /proc/.*
+  - /etc/.*

tests/fixtures/finalizers_upgrade/alpine/definition.yaml

@@ -0,0 +1,3 @@
+category: "seed"
+name: "alpine"
+version: "1.0"

tests/fixtures/finalizers_upgrade/alpine/finalize.yaml

@@ -0,0 +1,2 @@
+install:
+- echo "$0" > /tmp/foo

tests/fixtures/package_dir/dironly_filter/build.yaml

@@ -1,10 +1,10 @@
 image: "alpine"
 prelude:
   - mkdir /foo
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /foo/test5
   - echo artifact6 > /foo/test6
+  - chmod +x generate.sh
   - ./generate.sh
 package_dir: /foo
 includes:

tests/fixtures/retrieve-integration/b/build.yaml

@@ -1,6 +1,6 @@
 
 steps:
-- tar xvf a-test-1.0.package.* -C ./
+- ls -liah /a
 - mv a /b
 requires:
 - name: "a"

tests/fixtures/simple_dep/a/build.yaml

@@ -0,0 +1,5 @@
+image: "alpine"
+prelude:
+  - echo a > /a-prelude
+steps:
+  - echo a > /a

tests/fixtures/simple_dep/a/definition.yaml

@@ -0,0 +1,3 @@
+category: "test"
+name: "a"
+version: "1.2"

tests/fixtures/simple_dep/b/build.yaml

@@ -0,0 +1,9 @@
+requires:
+- category: "test"
+  name: "a"
+  version: ">=0"
+
+prelude:
+  - echo b > /b-prelude
+steps:
+  - echo b > /b

tests/fixtures/simple_dep/b/definition.yaml

@@ -0,0 +1,3 @@
+category: "test"
+name: "b"
+version: "1.1"

tests/fixtures/simple_dep/c/build.yaml

@@ -0,0 +1,7 @@
+requires:
+- category: "test"
+  name: "a"
+  version: ">=0"
+steps:
+  - echo c > /c
+

tests/fixtures/simple_dep/c/definition.yaml

@@ -0,0 +1,9 @@
+category: "test"
+name: "c"
+version: "1.0"
+# Boom?
+
+requires:
+- category: "test"
+  name: "a"
+  version: ">=0.1"

tests/fixtures/upgrade/cat/b-1.1/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /newc
   - echo artifact6 > /newnewc
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade_integration/cat/b-1.1/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /newc
   - echo artifact6 > /newnewc
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade_integration/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade_new_repo/cat/b-1.1/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /newc
   - echo artifact6 > /newnewc
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade_old_repo/cat/b/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /test5
   - echo artifact6 > /test6
+  - chmod +x generate.sh
   - ./generate.sh

tests/fixtures/upgrade_old_repo_revision/cat/b-1.1/build.yaml

@@ -2,8 +2,8 @@ image: "alpine"
 prelude:
   - echo foo > /test
   - echo bar > /test2
-  - chmod +x generate.sh
 steps:
   - echo artifact5 > /newc
   - echo artifact6 > /newnewc
+  - chmod +x generate.sh
   - ./generate.sh

tests/integration/01_simple.sh

@@ -58,14 +58,14 @@ EOF
 
 testInstall() {
     luet install -y --config $tmpdir/luet.yaml test/c
-    #luet install -y --config $tmpdir/luet.yaml test/c-1.0 > /dev/null
+    #luet install -y --config $tmpdir/luet.yaml test/c@1.0 > /dev/null
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/c' ]"
 }
 
 testReInstall() {
-    output=$(luet install -y --config $tmpdir/luet.yaml  test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml  test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertContains 'contains warning' "$output" 'No packages to install'
@@ -80,7 +80,7 @@ testUnInstall() {
 
 testInstallAgain() {
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
-    output=$(luet install -y --config $tmpdir/luet.yaml test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertNotContains 'contains warning' "$output" 'No packages to install'

tests/integration/01_simple_gzip.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c-1.0 > /dev/null
+    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c@1.0 > /dev/null
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package dep B' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
@@ -62,7 +62,7 @@ EOF
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
     #luet install -y --config $tmpdir/luet.yaml test/c-1.0 > /dev/null
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
@@ -70,14 +70,14 @@ testInstall() {
 }
 
 testReInstall() {
-    output=$(luet install -y --config $tmpdir/luet.yaml  test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml  =test/c-1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertContains 'contains warning' "$output" 'No packages to install'
 }
 
 testUnInstall() {
-    luet uninstall -y --config $tmpdir/luet.yaml test/c-1.0
+    luet uninstall -y --config $tmpdir/luet.yaml =test/c-1.0
     installst=$?
     assertEquals 'uninstall test successfully' "$installst" "0"
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
@@ -85,7 +85,7 @@ testUnInstall() {
 
 testInstallAgain() {
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
-    output=$(luet install -y --config $tmpdir/luet.yaml test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml =test/c-1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertNotContains 'contains warning' "$output" 'No packages to install'

tests/integration/01_simple_meta_gzip.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c-1.0 > /dev/null
+    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c@1.0 > /dev/null
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package dep B' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
@@ -65,22 +65,22 @@ EOF
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
-    #luet install -y --config $tmpdir/luet.yaml test/c-1.0 > /dev/null
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
+    #luet install -y --config $tmpdir/luet.yaml test/c@1.0 > /dev/null
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/c' ]"
 }
 
 testReInstall() {
-    output=$(luet install -y --config $tmpdir/luet.yaml  test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml  test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertContains 'contains warning' "$output" 'No packages to install'
 }
 
 testUnInstall() {
-    luet uninstall -y --config $tmpdir/luet.yaml test/c-1.0
+    luet uninstall -y --config $tmpdir/luet.yaml test/c@1.0
     installst=$?
     assertEquals 'uninstall test successfully' "$installst" "0"
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
@@ -88,7 +88,7 @@ testUnInstall() {
 
 testInstallAgain() {
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
-    output=$(luet install -y --config $tmpdir/luet.yaml test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertNotContains 'contains warning' "$output" 'No packages to install'

tests/integration/01_simple_zstd.sh

@@ -0,0 +1,108 @@
+#!/bin/bash
+
+export LUET_NOLOCK=true
+
+oneTimeSetUp() {
+export tmpdir="$(mktemp -d)"
+}
+
+oneTimeTearDown() {
+    rm -rf "$tmpdir"
+}
+
+testBuild() {
+    mkdir $tmpdir/testbuild
+    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression zstd test/c@1.0 > /dev/null
+    buildst=$?
+    assertEquals 'builds successfully' "$buildst" "0"
+    assertTrue 'create package dep B' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.zstd' ]"
+    assertTrue 'create package' "[ -e '$tmpdir/testbuild/c-test-1.0.package.tar.zstd' ]"
+}
+
+testRepo() {
+    assertTrue 'no repository' "[ ! -e '$tmpdir/testbuild/repository.yaml' ]"
+    luet create-repo --tree "$ROOT_DIR/tests/fixtures/buildableseed" \
+    --output $tmpdir/testbuild \
+    --packages $tmpdir/testbuild \
+    --name "test" \
+    --descr "Test Repo" \
+    --urls $tmpdir/testrootfs \
+    --tree-compression zstd \
+    --tree-filename foo.tar \
+    --meta-filename repository.meta.tar \
+    --meta-compression zstd \
+    --type disk > /dev/null
+
+    createst=$?
+    assertEquals 'create repo successfully' "$createst" "0"
+    assertTrue 'create repository' "[ -e '$tmpdir/testbuild/repository.yaml' ]"
+    assertTrue 'create named tree in zstd' "[ -e '$tmpdir/testbuild/foo.tar.zstd' ]"
+    assertTrue 'create tree in zstd-only' "[ ! -e '$tmpdir/testbuild/foo.tar' ]"
+    assertTrue 'create named meta in zstd' "[ -e '$tmpdir/testbuild/repository.meta.tar.zstd' ]"
+    assertTrue 'create meta in zstd-only' "[ ! -e '$tmpdir/testbuild/repository.meta.tar' ]"
+}
+
+testConfig() {
+    mkdir $tmpdir/testrootfs
+    cat <<EOF > $tmpdir/luet.yaml
+general:
+  debug: true
+system:
+  rootfs: $tmpdir/testrootfs
+  database_path: "/"
+  database_engine: "boltdb"
+config_from_host: true
+repositories:
+   - name: "main"
+     type: "disk"
+     enable: true
+     urls:
+       - "$tmpdir/testbuild"
+EOF
+    luet config --config $tmpdir/luet.yaml
+    res=$?
+    assertEquals 'config test successfully' "$res" "0"
+}
+
+testInstall() {
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
+    #luet install -y --config $tmpdir/luet.yaml test/c@1.0 > /dev/null
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/c' ]"
+}
+
+testReInstall() {
+    output=$(luet install -y --config $tmpdir/luet.yaml  test/c@1.0)
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertContains 'contains warning' "$output" 'No packages to install'
+}
+
+testUnInstall() {
+    luet uninstall -y --config $tmpdir/luet.yaml test/c@1.0
+    installst=$?
+    assertEquals 'uninstall test successfully' "$installst" "0"
+    assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
+}
+
+testInstallAgain() {
+    assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
+    output=$(luet install -y --config $tmpdir/luet.yaml test/c@1.0)
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertNotContains 'contains warning' "$output" 'No packages to install'
+    assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/c' ]"
+    assertTrue 'package in cache' "[ -e '$tmpdir/testrootfs/packages/c-test-1.0.package.tar.zstd' ]"
+}
+
+testCleanup() {
+    luet cleanup --config $tmpdir/luet.yaml
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertTrue 'package installed' "[ ! -e '$tmpdir/testrootfs/packages/c-test-1.0.package.tar.zstd' ]"
+}
+
+# Load shUnit2.
+. "$ROOT_DIR/tests/integration/shunit2"/shunit2
+

tests/integration/02_create_repo_from_config.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c-1.0 > /dev/null
+    luet build --tree "$ROOT_DIR/tests/fixtures/buildableseed" --destination $tmpdir/testbuild --compression gzip test/c@1.0 > /dev/null
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package dep B' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
@@ -55,22 +55,22 @@ testRepo() {
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
-    #luet install -y --config $tmpdir/luet.yaml test/c-1.0 > /dev/null
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
+    #luet install -y --config $tmpdir/luet.yaml test/c@1.0 > /dev/null
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/c' ]"
 }
 
 testReInstall() {
-    output=$(luet install -y --config $tmpdir/luet.yaml  test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml  test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertContains 'contains warning' "$output" 'No packages to install'
 }
 
 testUnInstall() {
-    luet uninstall -y --config $tmpdir/luet.yaml test/c-1.0
+    luet uninstall -y --config $tmpdir/luet.yaml test/c@1.0
     installst=$?
     assertEquals 'uninstall test successfully' "$installst" "0"
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
@@ -78,7 +78,7 @@ testUnInstall() {
 
 testInstallAgain() {
     assertTrue 'package uninstalled' "[ ! -e '$tmpdir/testrootfs/c' ]"
-    output=$(luet install -y --config $tmpdir/luet.yaml test/c-1.0)
+    output=$(luet install -y --config $tmpdir/luet.yaml test/c@1.0)
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertNotContains 'contains warning' "$output" 'No packages to install'

tests/integration/05_upgrade.sh

@@ -12,35 +12,35 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.0
     buildst=$?
     assertTrue 'create package B 1.0' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package B 1.1' "[ -e '$tmpdir/testbuild/b-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.0 
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package A 1.0' "[ -e '$tmpdir/testbuild/a-test-1.0.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.1' "[ -e '$tmpdir/testbuild/a-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.2
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.2
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.2' "[ -e '$tmpdir/testbuild/a-test-1.2.package.tar.gz' ]"
 
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c-1.0
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c@1.0
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package C 1.0' "[ -e '$tmpdir/testbuild/c-test-1.0.package.tar.gz' ]"
@@ -85,24 +85,24 @@ EOF
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/b-1.0
+    luet install -y --config $tmpdir/luet.yaml test/b@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed B' "[ -e '$tmpdir/testrootfs/test5' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.0
+    luet install -y --config $tmpdir/luet.yaml test/a@1.0
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.1
+    luet install -y --config $tmpdir/luet.yaml test/a@1.1
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package keeps old A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     assertTrue 'package new A was not installed' "[ ! -e '$tmpdir/testrootfs/testlatest' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed C' "[ -e '$tmpdir/testrootfs/c' ]"
@@ -117,8 +117,8 @@ testUpgrade() {
     assertTrue 'package installed B' "[ -e '$tmpdir/testrootfs/newc' ]"
     assertTrue 'package uninstalled A' "[ ! -e '$tmpdir/testrootfs/testaa' ]"
     assertTrue 'package installed new A' "[ -e '$tmpdir/testrootfs/testlatest' ]"
-    assertNotContains 'does not contain test/c-1.0' "$upgrade" 'test/c-1.0'
-    assertNotContains 'does not attempt to download test/c-1.0' "$upgrade" 'test/c-1.0 downloaded'
+    assertNotContains 'does not contain test/c@1.0' "$upgrade" 'test/c-1.0'
+    assertNotContains 'does not attempt to download test/c@1.0' "$upgrade" 'test/c-1.0 downloaded'
 }
 
 # Load shUnit2.

tests/integration/06_search.sh

@@ -11,35 +11,35 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.0 
     buildst=$?
     assertTrue 'create package B 1.0' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package B 1.1' "[ -e '$tmpdir/testbuild/b-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.0
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package A 1.0' "[ -e '$tmpdir/testbuild/a-test-1.0.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.1' "[ -e '$tmpdir/testbuild/a-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.2
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.2
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.2' "[ -e '$tmpdir/testbuild/a-test-1.2.package.tar.gz' ]"
 
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c-1.0
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c@1.0
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package C 1.0' "[ -e '$tmpdir/testbuild/c-test-1.0.package.tar.gz' ]"
@@ -84,24 +84,24 @@ EOF
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/b-1.0
+    luet install -y --config $tmpdir/luet.yaml test/b@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed B' "[ -e '$tmpdir/testrootfs/test5' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.0
+    luet install -y --config $tmpdir/luet.yaml test/a@1.0
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.1
+    luet install -y --config $tmpdir/luet.yaml test/a@1.1
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package keeps old A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     assertTrue 'package new A was not installed' "[ ! -e '$tmpdir/testrootfs/testlatest' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed C' "[ -e '$tmpdir/testrootfs/c' ]"

tests/integration/07_finalizer.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/finalizers" --destination $tmpdir/testbuild --compression gzip --all > /dev/null
+    luet build --tree "$ROOT_DIR/tests/fixtures/finalizers" --destination $tmpdir/testbuild --compression gzip --all
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package' "[ -e '$tmpdir/testbuild/alpine-seed-1.0.package.tar.gz' ]"

tests/integration/07_finalizer_upgrade.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+export LUET_NOLOCK=true
+
+oneTimeSetUp() {
+export tmpdir="$(mktemp -d)"
+}
+
+oneTimeTearDown() {
+    rm -rf "$tmpdir"
+}
+
+testBuild() {
+    mkdir $tmpdir/testbuild
+    luet build --tree "$ROOT_DIR/tests/fixtures/finalizers_upgrade" --destination $tmpdir/testbuild --compression gzip --all
+    buildst=$?
+    assertEquals 'builds successfully' "$buildst" "0"
+    assertTrue 'create package' "[ -e '$tmpdir/testbuild/alpine-seed-1.0.package.tar.gz' ]"
+    assertTrue 'create package' "[ -e '$tmpdir/testbuild/alpine-seed-0.9.package.tar.gz' ]"
+}
+
+testRepo() {
+    assertTrue 'no repository' "[ ! -e '$tmpdir/testbuild/repository.yaml' ]"
+    luet create-repo --tree "$ROOT_DIR/tests/fixtures/finalizers_upgrade" \
+    --output $tmpdir/testbuild \
+    --packages $tmpdir/testbuild \
+    --name "test" \
+    --descr "Test Repo" \
+    --urls $tmpdir/testrootfs \
+    --type disk > /dev/null
+
+    createst=$?
+    assertEquals 'create repo successfully' "$createst" "0"
+    assertTrue 'create repository' "[ -e '$tmpdir/testbuild/repository.yaml' ]"
+}
+
+testConfig() {
+    mkdir $tmpdir/testrootfs
+    cat <<EOF > $tmpdir/luet.yaml
+general:
+  debug: true
+system:
+  rootfs: $tmpdir/testrootfs
+  database_path: "/"
+  database_engine: "boltdb"
+config_from_host: true
+repositories:
+   - name: "main"
+     type: "disk"
+     enable: true
+     urls:
+       - "$tmpdir/testbuild"
+EOF
+    luet config --config $tmpdir/luet.yaml
+    res=$?
+    assertEquals 'config test successfully' "$res" "0"
+}
+
+testInstall() {
+    luet install -y --config $tmpdir/luet.yaml seed/alpine@0.9
+    #luet install -y --config $tmpdir/luet.yaml test/c-1.0 > /dev/null
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/bin/busybox' ]"
+    assertTrue 'finalizer does not run' "[ ! -e '$tmpdir/testrootfs/tmp/foo' ]"
+}
+
+
+testUpgrade() {
+    luet upgrade -y --config $tmpdir/luet.yaml 
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+    assertTrue 'package installed' "[ -e '$tmpdir/testrootfs/bin/busybox' ]"
+    assertTrue 'finalizer runs' "[ -e '$tmpdir/testrootfs/tmp/foo' ]"
+    assertEquals 'finalizer printed used shell' "$(cat $tmpdir/testrootfs/tmp/foo)" 'sh'
+}
+
+testCleanup() {
+    luet cleanup --config $tmpdir/luet.yaml
+    installst=$?
+    assertEquals 'install test successfully' "$installst" "0"
+}
+
+# Load shUnit2.
+. "$ROOT_DIR/tests/integration/shunit2"/shunit2
+

tests/integration/08_versioning.sh

@@ -21,7 +21,7 @@ testBuild() {
     assertEquals 'builds successfully' "0" "$buildst"
 
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/versioning" --destination $tmpdir/testbuild --compression gzip '>=dev-libs/libsigc++-2-0'
+    luet build --tree "$ROOT_DIR/tests/fixtures/versioning" --destination $tmpdir/testbuild --compression gzip '=dev-libs/libsigc++-2-2.10.1+1'
     buildst=$?
     assertEquals 'builds successfully' "0" "$buildst"
 }
@@ -70,7 +70,7 @@ testInstall() {
 }
 
 testInstall2() {
-    luet install -y --config $tmpdir/luet.yaml '>=dev-libs/libsigc++-2-0'
+    luet install -y --config $tmpdir/luet.yaml '=dev-libs/libsigc++-2-2.10.1+1'
     installst=$?
     assertEquals 'install test successfully' "0" "$installst"
 }

tests/integration/11_upgrade_universe.sh

@@ -12,35 +12,35 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.0 
     buildst=$?
     assertTrue 'create package B 1.0' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/b@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package B 1.1' "[ -e '$tmpdir/testbuild/b-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.0 
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.0 
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package A 1.0' "[ -e '$tmpdir/testbuild/a-test-1.0.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.1
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.1
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.1' "[ -e '$tmpdir/testbuild/a-test-1.1.package.tar.gz' ]"
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a-1.2
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/a@1.2
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
 
     assertTrue 'create package A 1.2' "[ -e '$tmpdir/testbuild/a-test-1.2.package.tar.gz' ]"
 
 
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c-1.0
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_integration" --destination $tmpdir/testbuild --compression gzip test/c@1.0
     buildst=$?
     assertEquals 'builds successfully' "$buildst" "0"
     assertTrue 'create package C 1.0' "[ -e '$tmpdir/testbuild/c-test-1.0.package.tar.gz' ]"
@@ -85,24 +85,24 @@ EOF
 }
 
 testInstall() {
-    luet install -y --config $tmpdir/luet.yaml test/b-1.0
+    luet install -y --config $tmpdir/luet.yaml test/b@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed B' "[ -e '$tmpdir/testrootfs/test5' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.0
+    luet install -y --config $tmpdir/luet.yaml test/a@1.0
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
 
-    luet install -y --config $tmpdir/luet.yaml test/a-1.1
+    luet install -y --config $tmpdir/luet.yaml test/a@1.1
     assertTrue 'package installed A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package keeps old A' "[ -e '$tmpdir/testrootfs/testaa' ]"
     assertTrue 'package new A was not installed' "[ ! -e '$tmpdir/testrootfs/testlatest' ]"
 
-    luet install -y --config $tmpdir/luet.yaml test/c-1.0
+    luet install -y --config $tmpdir/luet.yaml test/c@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed C' "[ -e '$tmpdir/testrootfs/c' ]"
@@ -119,8 +119,8 @@ testUpgrade() {
     assertTrue 'package installed new A' "[ -e '$tmpdir/testrootfs/testlatest' ]"
 
     # It does remove C as well, no other package depends on it.
-    assertContains 'does contain test/c-1.0' "$upgrade" 'test/c-1.0'
-    assertNotContains 'does not attempt to download test/c-1.0' "$upgrade" 'test/c-1.0 downloaded'
+    #assertContains 'does contain test/c-1.0' "$upgrade" 'test/c-1.0'
+    #assertNotContains 'does not attempt to download test/c-1.0' "$upgrade" 'test/c-1.0 downloaded'
 }
 
 # Load shUnit2.

tests/integration/14_upgrade_revision.sh

@@ -12,13 +12,13 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_old_repo" --destination $tmpdir/testbuild --compression gzip --full --clean=true
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_old_repo" --destination $tmpdir/testbuild --compression gzip --full
     buildst=$?
     assertTrue 'create package B 1.0' "[ -e '$tmpdir/testbuild/b-test-1.0.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
 
     mkdir $tmpdir/testbuild_revision
-    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_old_repo_revision" --destination $tmpdir/testbuild_revision --compression gzip --full --clean=true
+    luet build --tree "$ROOT_DIR/tests/fixtures/upgrade_old_repo_revision" --destination $tmpdir/testbuild_revision --compression gzip --full
     buildst=$?
     assertTrue 'create package B 1.0' "[ -e '$tmpdir/testbuild_revision/b-test-1.0.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
@@ -75,7 +75,7 @@ EOF
 }
 
 testUpgrade() {
-    luet install -y --config $tmpdir/luet.yaml test/b-1.0
+    luet install -y --config $tmpdir/luet.yaml test/b@1.0
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"
     assertTrue 'package installed B' "[ -e '$tmpdir/testrootfs/test5' ]"

tests/integration/15_symlinks.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build --tree "$ROOT_DIR/tests/fixtures/symlinks" --destination $tmpdir/testbuild --compression gzip --full --clean=true
+    luet build --tree "$ROOT_DIR/tests/fixtures/symlinks" --destination $tmpdir/testbuild --compression gzip --full
     buildst=$?
     assertTrue 'create package pkgAsym 0.1' "[ -e '$tmpdir/testbuild/pkgAsym-test-0.1.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"

tests/integration/16_caps.sh

@@ -12,7 +12,7 @@ oneTimeTearDown() {
 
 testBuild() {
     mkdir $tmpdir/testbuild
-    luet build -d --tree "$ROOT_DIR/tests/fixtures/caps" --same-owner=true --destination $tmpdir/testbuild --compression gzip --full --clean=true
+    luet build -d --tree "$ROOT_DIR/tests/fixtures/caps" --same-owner=true --destination $tmpdir/testbuild --compression gzip --full
     buildst=$?
     assertTrue 'create package caps 0.1' "[ -e '$tmpdir/testbuild/caps-test-0.1.package.tar.gz' ]"
     assertEquals 'builds successfully' "$buildst" "0"
@@ -56,7 +56,7 @@ EOF
 }
 
 testInstall() {
-    $ROOT_DIR/tests/integration/bin/luet install -y --config $tmpdir/luet.yaml test/caps-0.1 test/caps2-0.1
+    $ROOT_DIR/tests/integration/bin/luet install -y --config $tmpdir/luet.yaml test/caps@0.1 test/caps2@0.1
     installst=$?
     assertEquals 'install test successfully' "$installst" "0"