refactor snapper & support cron-based snapshotting

fixes https://github.com/zrepl/zrepl/issues/554 refs https://github.com/zrepl/zrepl/discussions/547#discussioncomment-1936126
2022-04-12 01:26:41 +02:00
parent a9c61b4b0b
commit c743c7b03f
21 changed files with 1195 additions and 686 deletions
@@ -93,7 +93,14 @@ func (r *CommandHookReport) String() string {
 		cmdLine.WriteString(fmt.Sprintf("%s'%s'", sep, a))
 	}

-	return fmt.Sprintf("command hook invocation: \"%s\"", cmdLine.String()) // no %q to make copy-pastable
+	var msg string
+	if r.Err == nil {
+		msg = "command hook"
+	} else {
+		msg = fmt.Sprintf("command hook failed with %q", r.Err)
+	}
+
+	return fmt.Sprintf("%s: \"%s\"", msg, cmdLine.String()) // no %q to make copy-pastable
 }
 func (r *CommandHookReport) Error() string {
 	if r.Err == nil {