Add cleanup command

cmd/cleanup.go

@@ -0,0 +1,70 @@
+// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
+//                  Daniele Rondina <geaaru@sabayonlinux.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 (
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	config "github.com/mudler/luet/pkg/config"
+	"github.com/mudler/luet/pkg/helpers"
+	. "github.com/mudler/luet/pkg/logger"
+
+	"github.com/spf13/cobra"
+)
+
+var cleanupCmd = &cobra.Command{
+	Use:   "cleanup",
+	Short: "Clean packages cache.",
+	Long:  `remove downloaded packages tarballs and clean cache directory`,
+	Run: func(cmd *cobra.Command, args []string) {
+		var cleaned int = 0
+
+		// Check if cache dir exists
+		if helpers.Exists(helpers.GetSystemPkgsCacheDirPath()) {
+
+			files, err := ioutil.ReadDir(helpers.GetSystemPkgsCacheDirPath())
+			if err != nil {
+				Fatal("Error on read cachedir ", err.Error())
+			}
+
+			for _, file := range files {
+				if file.IsDir() {
+					continue
+				}
+
+				if config.LuetCfg.GetGeneral().Debug {
+					Info("Removing ", file.Name())
+				}
+
+				err := os.RemoveAll(
+					filepath.Join(helpers.GetSystemPkgsCacheDirPath(), file.Name()))
+				if err != nil {
+					Fatal("Error on removing", file.Name())
+				}
+				cleaned++
+			}
+		}
+
+		Info("Cleaned: ", cleaned, "packages.")
+
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(cleanupCmd)
+}