fix: panic with using init cmd

cmd/init.go

@@ -10,28 +10,29 @@ var initCmd = &cobra.Command{
 	Use: "init",
 	Example: `
   # create default files and directories at specified root path
+  # (must be set with positional argument)
   makeshift init $MAKESHIFT_ROOT
 `,
 	Args:  cobra.ExactArgs(1),
 	Short: "Initialize directory with default files",
 	Run: func(cmd *cobra.Command, args []string) {
 		var (
-			rootPath, _ = cmd.Flags().GetString("root")
-
 			server *service.Service
 			err    error
 		)
 
 		// create the server root files and directories
+		server = service.New()
+		server.RootPath = args[0]
 		err = server.Init()
 		if err != nil {
 			log.Error().Err(err).
-				Str("root", rootPath).
+				Str("root", server.RootPath).
 				Msg("failed to initialize server root")
 			return
 		}
 		log.Debug().
-			Str("root", rootPath).
+			Str("root", server.RootPath).
 			Msg("initialize makeshift files at root path")
 	},
 }