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Show usage string for 'git show-ref -h'

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

"show-ref -h" currently is short for "show-ref --head", which
shows all the refs/* and HEAD, as opposed to "show-ref" that
shows all the refs/* and not HEAD.

Does anybody use "show-ref -h"?  It was in Linus's original, most
likely only because "it might be handy", not because "the command
should not show the HEAD by default for such and such reasons".
So I think it is okay if "show-ref -h" (but not "show-ref
--head") gives help and exits.

If a current script uses "git show-ref -h" without any other
arguments, it would have to be adapted by changing "-h" to
"--head".

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 09:04:46 -06:00 committed by Junio C Hamano
parent 20c7e3d5cf
commit e62b393505
2 changed files with 9 additions and 4 deletions
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3
Documentation/git-show-ref.txt
View File

@ -8,7 +8,7 @@ git-show-ref - List references in a local repository
SYNOPSIS
--------
[verse]
'git show-ref' [-q|--quiet] [--verify] [-h|--head] [-d|--dereference]
'git show-ref' [-q|--quiet] [--verify] [--head] [-d|--dereference]
[-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags]
[--heads] [--] <pattern>...
'git show-ref' --exclude-existing[=<pattern>] < ref-list
@ -30,7 +30,6 @@ the `.git` directory.
OPTIONS
-------
-h::
--head::
Show the HEAD reference.

10
builtin-show-ref.c
View File

@ -7,7 +7,7 @@
#include "parse-options.h"
static const char * const show_ref_usage[] = {
"git show-ref [-q|--quiet] [--verify] [-h|--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] ",
"git show-ref [-q|--quiet] [--verify] [--head] [-d|--dereference] [-s|--hash[=<n>]] [--abbrev[=<n>]] [--tags] [--heads] [--] [pattern*] ",
"git show-ref --exclude-existing[=pattern] < ref-list",
NULL
};
@ -183,7 +183,10 @@ static const struct option show_ref_options[] = {
OPT_BOOLEAN(0, "heads", &heads_only, "only show heads (can be combined with tags)"),
OPT_BOOLEAN(0, "verify", &verify, "stricter reference checking, "
"requires exact ref path"),
OPT_BOOLEAN('h', "head", &show_head, "show the HEAD reference"),
{ OPTION_BOOLEAN, 'h', NULL, &show_head, NULL,
"show the HEAD reference",
PARSE_OPT_NOARG | PARSE_OPT_HIDDEN },
OPT_BOOLEAN(0, "head", &show_head, "show the HEAD reference"),
OPT_BOOLEAN('d', "dereference", &deref_tags,
"dereference tags into object IDs"),
{ OPTION_CALLBACK, 's', "hash", &abbrev, "n",
@ -201,6 +204,9 @@ static const struct option show_ref_options[] = {
int cmd_show_ref(int argc, const char **argv, const char *prefix)
{
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(show_ref_usage, show_ref_options);
argc = parse_options(argc, argv, prefix, show_ref_options,
show_ref_usage, PARSE_OPT_NO_INTERNAL_HELP);