*/
int validate_branchname(const char *name, struct strbuf *ref)
{
- if (strbuf_check_branch_ref(ref, name))
- die(_("'%s' is not a valid branch name"), name);
+ if (strbuf_check_branch_ref(ref, name)) {
+ int code = die_message(_("'%s' is not a valid branch name"), name);
+ advise_if_enabled(ADVICE_REF_SYNTAX,
+ _("See `man git check-ref-format`"));
+ exit(code);
+ }
return ref_exists(ref->buf);
}