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Show usage string for 'git check-ref-format -h'

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This only changes the behavior of "git check-ref-format -h"
without any other options and arguments.

This change cannot be breaking backward compatibility, since any
valid refname must contain a /.   Most existing scripts use
arguments such as "heads/$foo".  If some script checks the
refname "-h" alone, git check-ref-format will still exit with
nonzero status, and the only detrimental side-effect will be a
usage string sent to stderr.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Nieder 2009-11-09 09:04:48 -06:00 committed by Junio C Hamano
parent e62b393505
commit aeda85a815
1 changed files with 3 additions and 0 deletions
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3
builtin-check-ref-format.c
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@ -31,6 +31,9 @@ static void collapse_slashes(char *dst, const char *src)
int cmd_check_ref_format(int argc, const char **argv, const char *prefix)
{
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(builtin_check_ref_format_usage);
if (argc == 3 && !strcmp(argv[1], "--branch")) {
struct strbuf sb = STRBUF_INIT;