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git-gc --auto: add pre-auto-gc hook

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If such a hook is available and exits with a non-zero status, then
git-gc --auto won't run.

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Miklos Vajna 2008-04-02 21:34:38 +02:00 committed by Junio C Hamano
parent 1d2375ddfe
commit bde3054016
1 changed files with 31 additions and 0 deletions
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31
builtin-gc.c
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@ -157,6 +157,34 @@ static int too_many_packs(void)
return gc_auto_pack_limit <= cnt;
}
static int run_hook(void)
{
const char *argv[2];
struct child_process hook;
int ret;
argv[0] = git_path("hooks/pre-auto-gc");
argv[1] = NULL;
if (access(argv[0], X_OK) < 0)
return 0;
memset(&hook, 0, sizeof(hook));
hook.argv = argv;
hook.no_stdin = 1;
hook.stdout_to_stderr = 1;
ret = start_command(&hook);
if (ret) {
warning("Could not spawn %s", argv[0]);
return ret;
}
ret = finish_command(&hook);
if (ret == -ERR_RUN_COMMAND_WAITPID_SIGNAL)
warning("%s exited due to uncaught signal", argv[0]);
return ret;
}
static int need_to_gc(void)
{
/*
@ -176,6 +204,9 @@ static int need_to_gc(void)
append_option(argv_repack, "-A", MAX_ADD);
else if (!too_many_loose_objects())
return 0;
if (run_hook())
return 0;
return 1;
}