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author | Michael Haggerty <mhagger@alum.mit.edu> | 2015-02-17 17:00:20 (GMT) |
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committer | Junio C Hamano <gitster@pobox.com> | 2015-02-17 19:24:55 (GMT) |
commit | 60294596ba6bf2f63506ffad60b9a94fc04612a1 (patch) | |
tree | 1a64454810ce15c926ecae61114cfec5489c605b /refs.c | |
parent | f04c5b5522214cd48b39399d1d26b07848fd0e52 (diff) | |
download | git-60294596ba6bf2f63506ffad60b9a94fc04612a1.zip git-60294596ba6bf2f63506ffad60b9a94fc04612a1.tar.gz git-60294596ba6bf2f63506ffad60b9a94fc04612a1.tar.bz2 |
ref_transaction_delete(): check that old_sha1 is not null_sha1
It makes no sense to delete a reference that is already known not to
exist.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Reviewed-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'refs.c')
-rw-r--r-- | refs.c | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -3702,6 +3702,8 @@ int ref_transaction_delete(struct ref_transaction *transaction, unsigned int flags, const char *msg, struct strbuf *err) { + if (old_sha1 && is_null_sha1(old_sha1)) + die("BUG: delete called with old_sha1 set to zeros"); return ref_transaction_update(transaction, refname, null_sha1, old_sha1, flags, msg, err); |