"gocage migrate jail -d destination_dataset" working for cold migrations

cmd/root.go

@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	gVersion = "0.26a"
+	gVersion = "0.27c"
 )
 
 var (
@@ -34,6 +34,8 @@ var (
 	gTimeZone     string
 	gSnapshotName string
 
+	gMigrateDestPool string
+
 	rootCmd = &cobra.Command{
 		Use:   "gocage",
 		Short: "GoCage is a FreeBSD Jail management tool",
@@ -189,6 +191,28 @@ You can specify multiple jails.`,
 			DeleteJailSnapshot(args)
 		},
 	}
+
+	migrateCmd = &cobra.Command{
+		Use:   "migrate",
+		Short: "Migrate jail to another zpool",
+		Run: func(cmd *cobra.Command, args []string) {
+			// Load inventory
+			ListJails(args, false)
+			MigrateJail(args)
+			WriteConfigToDisk(false)
+		},
+	}
+
+	migrateCleanCmd = &cobra.Command{
+		Use:   "clean",
+		Short: "Clean previous aborted/in error jail migration",
+		Run: func(cmd *cobra.Command, args []string) {
+			// Load inventory
+			ListJails(args, false)
+			CleanMigrateMess(args)
+		},
+	}
+
 )
 
 // TODO : Init log level and log output
@@ -216,6 +240,9 @@ func init() {
 	snapshotRollbackCmd.Flags().StringVarP(&gSnapshotName, "snapname", "n", "", "Name of the snapshot to rollback to")
 	snapshotRollbackCmd.MarkFlagRequired("snapname")
 
+	migrateCmd.Flags().StringVarP(&gMigrateDestPool, "destpool", "d", "", "Name of zfs destination pool for jail")
+	migrateCmd.MarkFlagRequired("destpool")
+
 	// Now declare commands
 	rootCmd.AddCommand(versionCmd)
 	rootCmd.AddCommand(listCmd)
@@ -225,10 +252,12 @@ func init() {
 	rootCmd.AddCommand(getCmd)
 	rootCmd.AddCommand(setCmd)
 	rootCmd.AddCommand(snapshotCmd)
+	rootCmd.AddCommand(migrateCmd)
 	snapshotCmd.AddCommand(snapshotListCmd)
 	snapshotCmd.AddCommand(snapshotCreateCmd)
 	snapshotCmd.AddCommand(snapshotDeleteCmd)
 	snapshotCmd.AddCommand(snapshotRollbackCmd)
+	migrateCmd.AddCommand(migrateCleanCmd)
 
 	// Get FreeBSD version
 	out, err := executeCommand("freebsd-version")