diff options
Diffstat (limited to 'refs.c')
| -rw-r--r-- | refs.c | 26 |
1 files changed, 18 insertions, 8 deletions
@@ -561,6 +561,7 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char const char *orig_ref = ref; struct ref_lock *lock; struct stat st; + int last_errno = 0; int mustexist = (old_sha1 && !is_null_sha1(old_sha1)); lock = xcalloc(1, sizeof(struct ref_lock)); @@ -574,17 +575,18 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char * to remain. */ ref_file = git_path("%s", orig_ref); - if (remove_empty_directories(ref_file)) - die("there are still refs under '%s'", orig_ref); + if (remove_empty_directories(ref_file)) { + last_errno = errno; + error("there are still refs under '%s'", orig_ref); + goto error_return; + } ref = resolve_ref(orig_ref, lock->old_sha1, mustexist, NULL); } if (!ref) { - int last_errno = errno; + last_errno = errno; error("unable to resolve reference %s: %s", orig_ref, strerror(errno)); - unlock_ref(lock); - errno = last_errno; - return NULL; + goto error_return; } lock->lk = xcalloc(1, sizeof(struct lock_file)); @@ -593,11 +595,19 @@ static struct ref_lock *lock_ref_sha1_basic(const char *ref, const unsigned char ref_file = git_path("%s", ref); lock->force_write = lstat(ref_file, &st) && errno == ENOENT; - if (safe_create_leading_directories(ref_file)) - die("unable to create directory for %s", ref_file); + if (safe_create_leading_directories(ref_file)) { + last_errno = errno; + error("unable to create directory for %s", ref_file); + goto error_return; + } lock->lock_fd = hold_lock_file_for_update(lock->lk, ref_file, 1); return old_sha1 ? verify_lock(lock, old_sha1, mustexist) : lock; + + error_return: + unlock_ref(lock); + errno = last_errno; + return NULL; } struct ref_lock *lock_ref_sha1(const char *ref, const unsigned char *old_sha1) |