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-rw-r--r--refs.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/refs.c b/refs.c
index 787cc1c9b..038e5c72d 100644
--- a/refs.c
+++ b/refs.c
@@ -2136,11 +2136,14 @@ int lock_packed_refs(int flags)
{
struct packed_ref_cache *packed_ref_cache;
- /* Discard the old cache because it might be invalid: */
- clear_packed_ref_cache(&ref_cache);
if (hold_lock_file_for_update(&packlock, git_path("packed-refs"), flags) < 0)
return -1;
- /* Read the current packed-refs while holding the lock: */
+ /*
+ * Get the current packed-refs while holding the lock. If the
+ * packed-refs file has been modified since we last read it,
+ * this will automatically invalidate the cache and re-read
+ * the packed-refs file.
+ */
packed_ref_cache = get_packed_ref_cache(&ref_cache);
packed_ref_cache->lock = &packlock;
/* Increment the reference count to prevent it from being freed: */