sequencer: ensure to release the lock when we could not read the index

A future caller of read_and_refresh_cache() may want to do more than just
print some helpful advice in case of failure.

Suggested by Junio Hamano.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
This commit is contained in:
Johannes Schindelin
2016-08-30 11:04:21 +02:00
parent a995420fc3
commit 1fefdf0ae7

View File

@@ -644,14 +644,18 @@ static int read_and_refresh_cache(struct replay_opts *opts)
{
static struct lock_file index_lock;
int index_fd = hold_locked_index(&index_lock, 0);
if (read_index_preload(&the_index, NULL) < 0)
if (read_index_preload(&the_index, NULL) < 0) {
rollback_lock_file(&index_lock);
return error(_("git %s: failed to read the index"),
action_name(opts));
}
refresh_index(&the_index, REFRESH_QUIET|REFRESH_UNMERGED, NULL, NULL, NULL);
if (the_index.cache_changed && index_fd >= 0) {
if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK))
if (write_locked_index(&the_index, &index_lock, COMMIT_LOCK)) {
rollback_lock_file(&index_lock);
return error(_("git %s: failed to refresh the index"),
action_name(opts));
}
}
rollback_lock_file(&index_lock);
return 0;