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-rw-r--r--refs.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/refs.c b/refs.c
index cc6958141c..7a815be38e 100644
--- a/refs.c
+++ b/refs.c
@@ -2239,11 +2239,16 @@ int lock_packed_refs(int flags)
return 0;
}
+/*
+ * Commit the packed refs changes.
+ * On error we must make sure that errno contains a meaningful value.
+ */
int commit_packed_refs(void)
{
struct packed_ref_cache *packed_ref_cache =
get_packed_ref_cache(&ref_cache);
int error = 0;
+ int save_errno = 0;
if (!packed_ref_cache->lock)
die("internal error: packed-refs not locked");
@@ -2253,10 +2258,13 @@ int commit_packed_refs(void)
do_for_each_entry_in_dir(get_packed_ref_dir(packed_ref_cache),
0, write_packed_entry_fn,
&packed_ref_cache->lock->fd);
- if (commit_lock_file(packed_ref_cache->lock))
+ if (commit_lock_file(packed_ref_cache->lock)) {
+ save_errno = errno;
error = -1;
+ }
packed_ref_cache->lock = NULL;
release_packed_ref_cache(packed_ref_cache);
+ errno = save_errno;
return error;
}