feat: rename remote name

cmd/remote/rename.go

@@ -0,0 +1,40 @@
+package remote
+
+import (
+	"log"
+
+	"git.cryptic.systems/fh-trier/go-flucky/pkg/config"
+	"github.com/spf13/cobra"
+)
+
+var renameRemoteCmd = &cobra.Command{
+	Use:     "rename",
+	Short:   "Rename Remote Server",
+	Args:    cobra.ExactArgs(2),
+	Example: "flucky remote rename origin slave",
+	Run: func(cmd *cobra.Command, args []string) {
+
+		// read configuration
+		fc, err := config.Read(cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		// rename remote address
+		err = fc.RenameRemote(args[0], args[1])
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		// save new configuration
+		err = config.Write(fc, cfg)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+	},
+}
+
+func init() {
+	remoteCmd.AddCommand(renameRemoteCmd)
+}