[PATCH v6 07/32] refs: add method for do_for_each_ref

@@ -1339,3 +1339,11 @@ int resolve_gitlink_ref(const char *path, const char *refname,
 {
 	return the_refs_backend->resolve_gitlink_ref(path, refname, sha1);
 }
+
+int do_for_each_ref(const char *submodule, const char *base,
+		    each_ref_fn fn, int trim, int flags,
+		    void *cb_data)
+{
+	return the_refs_backend->do_for_each_ref(submodule, base, fn, trim,
+						 flags, cb_data);
+}

@@ -1679,8 +1679,9 @@ static int do_for_each_entry(struct ref_cache *refs, const char *base,
  * value, stop the iteration and return that value; otherwise, return
  * 0.
  */
-int do_for_each_ref(const char *submodule, const char *base,
-		    each_ref_fn fn, int trim, int flags, void *cb_data)
+static int files_do_for_each_ref(const char *submodule, const char *base,
+				 each_ref_fn fn, int trim, int flags,
+				 void *cb_data)
 {
 	struct ref_entry_cb data;
 	struct ref_cache *refs;

@@ -3415,4 +3416,6 @@ struct ref_storage_be refs_be_files = {
 	files_read_raw_ref,
 	files_verify_refname_available,
 	files_resolve_gitlink_ref,
+
+	files_do_for_each_ref,
 };

@@ -227,6 +227,9 @@ typedef int read_raw_ref_fn(const char *refname, unsigned char *sha1,
 typedef int verify_refname_available_fn(const char *refname, struct string_list *extra, struct string_list *skip, struct strbuf *err);
 typedef int resolve_gitlink_ref_fn(const char *path, const char *refname,
 				   unsigned char *sha1);
+typedef int do_for_each_ref_fn(const char *submodule, const char *base,
+			       each_ref_fn fn, int trim, int flags,
+			       void *cb_data);
 
 struct ref_storage_be {
 	struct ref_storage_be *next;

@@ -240,6 +243,8 @@ struct ref_storage_be {
 	read_raw_ref_fn *read_raw_ref;
 	verify_refname_available_fn *verify_refname_available;
 	resolve_gitlink_ref_fn *resolve_gitlink_ref;
+
+	do_for_each_ref_fn *do_for_each_ref;
 };
 
 extern struct ref_storage_be refs_be_files;