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git hook run: add an --ignore-missing flag

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For certain one-shot hooks we'd like to optimistically run them, and
not complain if they don't exist.

This was already supported by the underlying hook.c library, but had
not been exposed via "git hook run". The command version of this will
be used by send-email in a subsequent commit.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
2021-12-22 04:59:37 +01:00
committed by Junio C Hamano
parent 1a3017d908
commit 0d3979c175
3 changed files with 20 additions and 3 deletions
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8
builtin/hook.c
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@ -7,7 +7,7 @@
#include "strvec.h"
#define BUILTIN_HOOK_RUN_USAGE \
N_("git hook run <hook-name> [-- <hook-args>]")
N_("git hook run [--ignore-missing] <hook-name> [-- <hook-args>]")
static const char * const builtin_hook_usage[] = {
BUILTIN_HOOK_RUN_USAGE,
@ -23,8 +23,11 @@ static int run(int argc, const char **argv, const char *prefix)
{
int i;
struct run_hooks_opt opt = RUN_HOOKS_OPT_INIT;
int ignore_missing = 0;
const char *hook_name;
struct option run_options[] = {
OPT_BOOL(0, "ignore-missing", &ignore_missing,
N_("silently ignore missing requested <hook-name>")),
OPT_END(),
};
int ret;
@ -52,7 +55,8 @@ static int run(int argc, const char **argv, const char *prefix)
git_config(git_default_config, NULL);
hook_name = argv[0];
opt.error_if_missing = 1;
if (!ignore_missing)
opt.error_if_missing = 1;
ret = run_hooks_opt(hook_name, &opt);
if (ret < 0) /* error() return */
ret = 1;