fix go lint

cmd/backup.go

@@ -44,7 +44,7 @@ var BackupCmd = &cobra.Command{
 }
 
 func init() {
-	//Backup
+	// Backup
 	BackupCmd.PersistentFlags().StringP("storage", "s", "local", "Define storage: local, s3, ssh, ftp, azure")
 	BackupCmd.PersistentFlags().StringP("path", "P", "", "Storage path without file name. e.g: /custom_path or ssh remote path `/home/foo/backup`")
 	BackupCmd.PersistentFlags().StringP("cron-expression", "e", "", "Backup cron expression (e.g., `0 0 * * *` or `@daily`)")

cmd/restore.go

@@ -46,7 +46,7 @@ var RestoreCmd = &cobra.Command{
 }
 
 func init() {
-	//Restore
+	// Restore
 	RestoreCmd.PersistentFlags().StringP("file", "f", "", "File name of database")
 	RestoreCmd.PersistentFlags().StringP("storage", "s", "local", "Define storage: local, s3, ssh, ftp")
 	RestoreCmd.PersistentFlags().StringP("path", "P", "", "AWS S3 path without file name. eg: /custom_path or ssh remote path `/home/foo/backup`")

cmd/root.go

@@ -38,7 +38,6 @@ var rootCmd = &cobra.Command{
 	Example: utils.MainExample,
 	Version: appVersion,
 }
-var operation = ""
 
 // Execute adds all child commands to the root command and sets flags appropriately.
 // This is called by main.main(). It only needs to happen once to the rootCmd.