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https://github.com/mudler/luet.git
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b2060c82e3
Fixes races conditions and make the DB Switchable. Also prepare inside the CompilationSpec the tree of the deps to be built, and parallelize only the building jobs. Closes #7 Signed-off-by: Ettore Di Giacinto <mudler@gentoo.org>
111 lines
3.1 KiB
Go
111 lines
3.1 KiB
Go
// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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// Recipe is a builder imeplementation.
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// It reads a Tree and spit it in human readable form (YAML), called recipe,
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// It also loads a tree (recipe) from a YAML (to a db, e.g. BoltDB), allowing to query it
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// with the solver, using the package object.
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package tree
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/mudler/luet/pkg/helpers"
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pkg "github.com/mudler/luet/pkg/package"
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"github.com/pkg/errors"
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)
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const (
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CompilerDefinitionFile = "build.yaml"
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)
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func NewCompilerRecipe(d pkg.PackageDatabase) Builder {
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return &CompilerRecipe{Recipe: Recipe{Database: d}}
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}
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// Recipe is the "general" reciper for Trees
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type CompilerRecipe struct {
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Recipe
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}
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func (r *CompilerRecipe) Load(path string) error {
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if r.Tree() == nil {
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r.PackageTree = NewDefaultTree()
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}
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//tmpfile, err := ioutil.TempFile("", "luet")
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//if err != nil {
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// return err
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//}
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r.Tree().SetPackageSet(r.Database)
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//r.Tree().SetPackageSet(pkg.NewBoltDatabase(tmpfile.Name()))
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// TODO: Handle cleaning after? Cleanup implemented in GetPackageSet().Clean()
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// the function that handles each file or dir
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var ff = func(currentpath string, info os.FileInfo, err error) error {
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if info.Name() != DefinitionFile {
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return nil // Skip with no errors
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}
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dat, err := ioutil.ReadFile(currentpath)
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if err != nil {
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return errors.Wrap(err, "Error reading file "+currentpath)
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}
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pack, err := pkg.DefaultPackageFromYaml(dat)
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if err != nil {
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return errors.Wrap(err, "Error reading yaml "+currentpath)
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}
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// Path is set only internally when tree is loaded from disk
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pack.SetPath(filepath.Dir(currentpath))
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// Instead of rdeps, have a different tree for build deps.
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compileDefPath := pack.Rel(CompilerDefinitionFile)
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if helpers.Exists(compileDefPath) {
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dat, err = ioutil.ReadFile(compileDefPath)
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if err != nil {
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return errors.Wrap(err, "Error reading file "+currentpath)
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}
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packbuild, err := pkg.DefaultPackageFromYaml(dat)
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if err != nil {
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return errors.Wrap(err, "Error reading yaml "+currentpath)
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}
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pack.Requires(packbuild.GetRequires())
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pack.Conflicts(packbuild.GetConflicts())
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}
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_, err = r.Tree().GetPackageSet().CreatePackage(&pack)
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if err != nil {
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return errors.Wrap(err, "Error creating package "+pack.GetName())
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}
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return nil
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}
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err := filepath.Walk(path, ff)
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if err != nil {
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return err
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}
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return nil
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}
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func (r *CompilerRecipe) Tree() pkg.Tree { return r.PackageTree }
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func (r *CompilerRecipe) WithTree(t pkg.Tree) { r.PackageTree = t }
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