diff options
Diffstat (limited to 'sequencer.c')
| -rw-r--r-- | sequencer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sequencer.c b/sequencer.c index bde5f04..0a80c58 100644 --- a/sequencer.c +++ b/sequencer.c @@ -281,8 +281,12 @@ static int fast_forward_to(const unsigned char *to, const unsigned char *from, exit(1); /* the callee should have complained already */ ref_lock = lock_any_ref_for_update("HEAD", unborn ? null_sha1 : from, 0, NULL); + if (!ref_lock) + return error(_("Failed to lock HEAD during fast_forward_to")); + strbuf_addf(&sb, "%s: fast-forward", action_name(opts)); ret = write_ref_sha1(ref_lock, to, sb.buf); + strbuf_release(&sb); return ret; } |