refs: add method to rename refs

[thirdparty/git.git] / refs / files-backend.c

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 40e789611c0be3503622ee9bdb3afde52a1e429c..f61101a799f16cefe0af25cd6160c4e7185e3127 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -997,22 +997,6 @@ static struct files_ref_store *files_downcast(
        return (struct files_ref_store *)ref_store;
 }
 
-/*
- * Return a pointer to the reference store for the specified
- * submodule. For the main repository, use submodule==NULL; such a
- * call cannot fail. For a submodule, the submodule must exist and be
- * a nonbare repository, otherwise return NULL. Verify that the
- * reference store is a files_ref_store, and cast it to that type
- * before returning it.
- */
-static struct files_ref_store *get_files_ref_store(const char *submodule,
-                                                  const char *caller)
-{
-       struct ref_store *refs = get_ref_store(submodule);
-
-       return refs ? files_downcast(refs, 1, caller) : NULL;
-}
-
 /* The length of a peeled reference line in packed-refs, including EOL: */
 #define PEELED_LINE_LENGTH 42
 
@@ -2580,9 +2564,12 @@ static int commit_ref_update(struct files_ref_store *refs,
                             const unsigned char *sha1, const char *logmsg,
                             struct strbuf *err);
 
-int rename_ref(const char *oldrefname, const char *newrefname, const char *logmsg)
+static int files_rename_ref(struct ref_store *ref_store,
+                           const char *oldrefname, const char *newrefname,
+                           const char *logmsg)
 {
-       struct files_ref_store *refs = get_files_ref_store(NULL, "rename_ref");
+       struct files_ref_store *refs =
+               files_downcast(ref_store, 0, "rename_ref");
        unsigned char sha1[20], orig_sha1[20];
        int flag = 0, logmoved = 0;
        struct ref_lock *lock;
@@ -4087,6 +4074,7 @@ struct ref_storage_be refs_be_files = {
        files_peel_ref,
        files_create_symref,
        files_delete_refs,
+       files_rename_ref,
 
        files_ref_iterator_begin,
        files_read_raw_ref,