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move run_commit_hook() to libgit and use it there

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This function was declared in commit.h but was implemented in
builtin/commit.c so was not part of libgit. Move it to libgit so we can
use it in the sequencer. This simplifies the implementation of
run_prepare_commit_msg_hook() and will be used in the next commit.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Phillip Wood
2019-10-15 10:25:31 +00:00
committed by Junio C Hamano
parent 12bb7a540a
commit 49697cb721
3 changed files with 34 additions and 35 deletions
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24
commit.c
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@ -19,6 +19,7 @@
#include "advice.h"
#include "refs.h"
#include "commit-reach.h"
#include "run-command.h"
static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
@ -1581,3 +1582,26 @@ size_t ignore_non_trailer(const char *buf, size_t len)
}
return boc ? len - boc : len - cutoff;
}
int run_commit_hook(int editor_is_used, const char *index_file,
const char *name, ...)
{
struct argv_array hook_env = ARGV_ARRAY_INIT;
va_list args;
int ret;
argv_array_pushf(&hook_env, "GIT_INDEX_FILE=%s", index_file);
/*
* Let the hook know that no editor will be launched.
*/
if (!editor_is_used)
argv_array_push(&hook_env, "GIT_EDITOR=:");
va_start(args, name);
ret = run_hook_ve(hook_env.argv,name, args);
va_end(args);
argv_array_clear(&hook_env);
return ret;
}