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diff/status: refactor opportunistic index update

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When we had to refresh the index internally before running diff or status,
we opportunistically updated the $GIT_INDEX_FILE so that later invocation
of git can use the lstat(2) we already did in this invocation.

Make them share a helper function to do so.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Junio C Hamano
2011-03-21 10:16:10 -07:00
parent 87b50542a0
commit ccdc4ec304
4 changed files with 16 additions and 13 deletions
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7
builtin/diff.c
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@ -197,12 +197,7 @@ static void refresh_index_quietly(void)
discard_cache();
read_cache();
refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
if (active_cache_changed &&
!write_cache(fd, active_cache, active_nr))
commit_locked_index(lock_file);
rollback_lock_file(lock_file);
update_index_if_able(&the_index, lock_file);
}
static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)