CodingGuidelines: describe "export VAR=VAL" rule

[thirdparty/git.git] / branch.c

diff --git a/branch.c b/branch.c
index 6719a181bd1f03af21b92d8be71a93142ef700e7..621019fcf4bde0a0568dbae2a1055e12cf8df030 100644 (file)
--- a/branch.c
+++ b/branch.c
@@ -370,8 +370,12 @@ int read_branch_desc(struct strbuf *buf, const char *branch_name)
  */
 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);
 }