command: hard wrap help message flags

This greatly improves readability when lots of flags are registered. Signed-off-by: Ophestra <cat@gensokyo.uk>
2026-08-07 20:32:24 +09:00
parent b37c1d8993
commit f1dd3a085b
6 changed files with 58 additions and 36 deletions
@@ -16,7 +16,13 @@ func (e FlagError) Is(target error) bool {
 }

 func (n *node) Flag(p any, name string, value FlagDefiner, usage string) Node {
-	value.Define(&n.suffix, n.set, p, name, usage)
+	var buf strings.Builder
+	value.Define(&buf, n.set, p, name, usage)
+	s := buf.String()
+	if len(s) > 0 && s[0] == ' ' {
+		s = s[1:]
+	}
+	n.suffix = append(n.suffix, s)
 	return n
 }