Add create-repo, install and uninstall to cli

cmd/uninstall.go

@@ -0,0 +1,78 @@
+// 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
+
+import (
+	"os"
+	"path/filepath"
+	"regexp"
+	"runtime"
+
+	installer "github.com/mudler/luet/pkg/installer"
+
+	. "github.com/mudler/luet/pkg/logger"
+	pkg "github.com/mudler/luet/pkg/package"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var uninstallCmd = &cobra.Command{
+	Use:   "uninstall <pkg>",
+	Short: "Uninstall a package",
+	Long:  `Uninstall packages`,
+	Run: func(cmd *cobra.Command, args []string) {
+		if len(args) != 1 {
+			Fatal("Wrong number of args")
+		}
+
+		a := args[0]
+		decodepackage, err := regexp.Compile(`^([<>]?\~?=?)((([^\/]+)\/)?(?U)(\S+))(-(\d+(\.\d+)*[a-z]?(_(alpha|beta|pre|rc|p)\d*)*(-r\d+)?))?$`)
+		if err != nil {
+			Fatal("Error: " + err.Error())
+		}
+		packageInfo := decodepackage.FindAllStringSubmatch(a, -1)
+
+		category := packageInfo[0][4]
+		name := packageInfo[0][5]
+		version := packageInfo[0][7]
+
+		inst := installer.NewLuetInstaller(viper.GetInt("concurrency"))
+
+		systemDB := pkg.NewBoltDatabase(filepath.Join(viper.GetString("system-dbpath"), "luet"))
+		system := &installer.System{Database: systemDB, Target: viper.GetString("system-target")}
+		err = inst.Uninstall(&pkg.DefaultPackage{Name: name, Category: category, Version: version}, system)
+		if err != nil {
+			Fatal("Error: " + err.Error())
+		}
+	},
+}
+
+func init() {
+	path, err := os.Getwd()
+	if err != nil {
+		Fatal(err)
+	}
+	uninstallCmd.Flags().String("system-dbpath", path, "System db path")
+	viper.BindPFlag("system-dbpath", uninstallCmd.Flags().Lookup("system-dbpath"))
+
+	uninstallCmd.Flags().String("system-target", path, "System rootpath")
+	viper.BindPFlag("system-target", uninstallCmd.Flags().Lookup("system-target"))
+
+	uninstallCmd.Flags().Int("concurrency", runtime.NumCPU(), "Concurrency")
+	viper.BindPFlag("concurrency", uninstallCmd.Flags().Lookup("concurrency"))
+
+	RootCmd.AddCommand(uninstallCmd)
+}