Signed-off-by: Nguyễn Thái Ngọc Duy <[email protected]>
---
refs.c | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/refs.c b/refs.c
index 541fec2..86003af 100644
--- a/refs.c
+++ b/refs.c
@@ -2014,6 +2014,18 @@ static int log_ref_write(const char *refname, const
unsigned char *old_sha1,
char *logrec;
const char *committer;
+ if (object_database_contaminated) {
+ struct object_info oi;
+ if (sha1_object_info_extended(old_sha1, &oi) == -1 ||
+ (oi.alt && oi.alt->external))
+ return error("cannot update reflog pointing to an
external SHA-1 %s",
+ sha1_to_hex(old_sha1));
+ if (sha1_object_info_extended(new_sha1, &oi) == -1 ||
+ (oi.alt && oi.alt->external))
+ return error("cannot update reflog pointing to an
external SHA-1 %s",
+ sha1_to_hex(new_sha1));
+ }
+
if (log_all_ref_updates < 0)
log_all_ref_updates = !is_bare_repository();
@@ -2054,6 +2066,18 @@ int write_ref_sha1(struct ref_lock *lock,
if (!lock)
return -1;
+
+ if (object_database_contaminated) {
+ struct object_info oi;
+ if (sha1_object_info_extended(sha1, &oi) == -1 ||
+ (oi.alt && oi.alt->external)) {
+ error("cannot update ref pointing to an external SHA-1
%s",
+ sha1_to_hex(sha1));
+ unlock_ref(lock);
+ return -1;
+ }
+ }
+
if (!lock->force_write && !hashcmp(lock->old_sha1, sha1)) {
unlock_ref(lock);
return 0;
--
1.8.0.rc3.18.g0d9b108
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