get_loose_ref_cache(): new function

Extract a new function, `get_loose_ref_cache()`, from get_loose_ref_dir(). The function returns the `ref_cache` for the loose refs of a `files_ref_store`. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Michael Haggerty committed Apr 16, 2017 at 08:41 UTC a714b19ca81607e53ddbde41eb9082b435148e73
1 file changed +7 -2
refs/files-backend.c
+7 -2
@@ -524,7 +524,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store,
524 }
525 }
526
527 -static struct ref_dir *get_loose_ref_dir(struct files_ref_store *refs)
527 +static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs)
528 {
529 if (!refs->loose) {
530 /*
@@ -544,7 +544,12 @@ static struct ref_dir *get_loose_ref_dir(struct files_ref_store *refs)
544 add_entry_to_dir(get_ref_dir(refs->loose->root),
545 create_dir_entry(refs->loose, "refs/", 5, 1));
546 }
547 - return get_ref_dir(refs->loose->root);
547 + return refs->loose;
548 +}
549 +
550 +static struct ref_dir *get_loose_ref_dir(struct files_ref_store *refs)
551 +{
552 + return get_ref_dir(get_loose_ref_cache(refs)->root);
553 }
554
555 /*