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mktag: convert to parse-options 

Convert the "mktag" command to use parse-options.h instead of its own
ad-hoc argc handling. This doesn't matter much in practice since it
doesn't support any options, but removes another special-case in our
codebase, and makes it easier to add options to it in the future.

It does marginally improve the situation for programs that want to
execute git commands in a consistent manner and e.g. always use
--end-of-options. E.g. "gitaly" does that, and has a blacklist of
built-ins that don't support --end-of-options. This is one less
special case for it and other similar programs to support.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2021-01-05 20:42:50 +01:00 committed by Junio C Hamano
parent 9a1a3a4d4c
commit 3f390a366c
2 changed files with 24 additions and 2 deletions
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14
builtin/mktag.c
View File

@ -1,10 +1,16 @@
#include "builtin.h"
#include "parse-options.h"
#include "tag.h"
#include "replace-object.h"
#include "object-store.h"
#include "fsck.h"
#include "config.h"
static char const * const builtin_mktag_usage[] = {
N_("git mktag"),
NULL
};
static struct fsck_options fsck_options = FSCK_OPTIONS_STRICT;
static int mktag_config(const char *var, const char *value, void *cb)
@ -60,13 +66,17 @@ static int verify_object_in_tag(struct object_id *tagged_oid, int *tagged_type)
int cmd_mktag(int argc, const char **argv, const char *prefix)
{
static struct option builtin_mktag_options[] = {
OPT_END(),
};
struct strbuf buf = STRBUF_INIT;
struct object_id tagged_oid;
int tagged_type;
struct object_id result;
if (argc != 1)
usage("git mktag");
argc = parse_options(argc, argv, NULL,
builtin_mktag_options,
builtin_mktag_usage, 0);
if (strbuf_read(&buf, 0, 0) < 0)
die_errno("could not read from stdin");

12
t/t3800-mktag.sh
View File

@ -45,6 +45,18 @@ test_expect_success 'setup' '
blob=$(git rev-parse --verify HEAD:B.t)
'
test_expect_success 'basic usage' '
cat >tag.sig <<-EOF &&
object $head
type commit
tag mytag
tagger T A Gger <tagger@example.com> 1206478233 -0500
EOF
git mktag <tag.sig &&
git mktag --end-of-options <tag.sig &&
test_expect_code 129 git mktag --unknown-option
'
############################################################
# 1. length check