⚙️ Add luet repo add/get

Fix #230

cmd/repo/get.go

@@ -0,0 +1,62 @@
+// Copyright © 2022 Ettore Di Giacinto <mudler@luet.io>
+//
+// 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_repo
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/ghodss/yaml"
+	"github.com/mudler/luet/cmd/util"
+
+	"github.com/spf13/cobra"
+)
+
+func NewRepoGetCommand() *cobra.Command {
+	var ans = &cobra.Command{
+		Use:   "get [OPTIONS] name",
+		Short: "get repository in the system",
+		Args:  cobra.ExactArgs(1),
+		PreRun: func(cmd *cobra.Command, args []string) {
+		},
+		Run: func(cmd *cobra.Command, args []string) {
+			o, _ := cmd.Flags().GetString("output")
+
+			for _, repo := range util.DefaultContext.Config.SystemRepositories {
+				if repo.Name != args[0] {
+					continue
+				}
+
+				switch strings.ToLower(o) {
+				case "json":
+					b, _ := json.Marshal(repo)
+					fmt.Println(string(b))
+				case "yaml":
+					b, _ := yaml.Marshal(repo)
+					fmt.Println(string(b))
+				default:
+					fmt.Println(repo)
+				}
+				break
+			}
+		},
+	}
+
+	ans.Flags().StringP("output", "o", "", "output format (json, yaml, text)")
+
+	return ans
+}