It only cares about the packed-refs part of the reference store.

Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
 refs/files-backend.c | 26 ++++++++++++--------------
 1 file changed, 12 insertions(+), 14 deletions(-)

diff --git a/refs/files-backend.c b/refs/files-backend.c
index f061506bf0..b2ef7b3bb9 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -404,24 +404,22 @@ static void validate_packed_ref_cache(struct 
packed_ref_store *refs)
 }
 
 /*
- * Get the packed_ref_cache for the specified files_ref_store,
+ * Get the packed_ref_cache for the specified packed_ref_store,
  * creating and populating it if it hasn't been read before or if the
  * file has been changed (according to its `validity` field) since it
  * was last read. On the other hand, if we hold the lock, then assume
  * that the file hasn't been changed out from under us, so skip the
  * extra `stat()` call in `stat_validity_check()`.
  */
-static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store 
*refs)
+static struct packed_ref_cache *get_packed_ref_cache(struct packed_ref_store 
*refs)
 {
-       const char *packed_refs_file = refs->packed_ref_store->path;
+       if (!is_lock_file_locked(&refs->lock))
+               validate_packed_ref_cache(refs);
 
-       if (!is_lock_file_locked(&refs->packed_ref_store->lock))
-               validate_packed_ref_cache(refs->packed_ref_store);
-
-       if (!refs->packed_ref_store->cache)
-               refs->packed_ref_store->cache = 
read_packed_refs(packed_refs_file);
+       if (!refs->cache)
+               refs->cache = read_packed_refs(refs->path);
 
-       return refs->packed_ref_store->cache;
+       return refs->cache;
 }
 
 static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache 
*packed_ref_cache)
@@ -431,7 +429,7 @@ static struct ref_dir *get_packed_ref_dir(struct 
packed_ref_cache *packed_ref_ca
 
 static struct ref_dir *get_packed_refs(struct files_ref_store *refs)
 {
-       return get_packed_ref_dir(get_packed_ref_cache(refs));
+       return get_packed_ref_dir(get_packed_ref_cache(refs->packed_ref_store));
 }
 
 /*
@@ -1151,7 +1149,7 @@ static struct ref_iterator *files_ref_iterator_begin(
        loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs),
                                              prefix, 1);
 
-       iter->packed_ref_cache = get_packed_ref_cache(refs);
+       iter->packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
        acquire_packed_ref_cache(iter->packed_ref_cache);
        packed_iter = cache_ref_iterator_begin(iter->packed_ref_cache->cache,
                                               prefix, 0);
@@ -1365,7 +1363,7 @@ static int lock_packed_refs(struct files_ref_store *refs, 
int flags)
         */
        validate_packed_ref_cache(refs->packed_ref_store);
 
-       packed_ref_cache = get_packed_ref_cache(refs);
+       packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
        /* Increment the reference count to prevent it from being freed: */
        acquire_packed_ref_cache(packed_ref_cache);
        return 0;
@@ -1380,7 +1378,7 @@ static int lock_packed_refs(struct files_ref_store *refs, 
int flags)
 static int commit_packed_refs(struct files_ref_store *refs)
 {
        struct packed_ref_cache *packed_ref_cache =
-               get_packed_ref_cache(refs);
+               get_packed_ref_cache(refs->packed_ref_store);
        int ok, error = 0;
        int save_errno = 0;
        FILE *out;
@@ -1426,7 +1424,7 @@ static int commit_packed_refs(struct files_ref_store 
*refs)
 static void rollback_packed_refs(struct files_ref_store *refs)
 {
        struct packed_ref_cache *packed_ref_cache =
-               get_packed_ref_cache(refs);
+               get_packed_ref_cache(refs->packed_ref_store);
 
        files_assert_main_repository(refs, "rollback_packed_refs");
 
-- 
2.11.0

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