refs: move submodule code out of files-backend.c

diff --git a/refs.c b/refs.c
index 1f4c1a234783379fecd4fe0c1072f9d5958bceb9..d72b48a43024193d21d061848081ea54c78f4399 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -9,6 +9,7 @@
 #include "refs/refs-internal.h"
 #include "object.h"
 #include "tag.h"
+#include "submodule.h"
 
 /*
  * List of all available backends
@@ -1413,9 +1414,9 @@ static struct ref_store *lookup_submodule_ref_store(const char *submodule)
 
 /*
  * Create, record, and return a ref_store instance for the specified
- * submodule (or the main repository if submodule is NULL).
+ * gitdir.
  */
-static struct ref_store *ref_store_init(const char *submodule)
+static struct ref_store *ref_store_init(const char *gitdir)
 {
        const char *be_name = "files";
        struct ref_storage_be *be = find_ref_storage_backend(be_name);
@@ -1424,7 +1425,7 @@ static struct ref_store *ref_store_init(const char *submodule)
        if (!be)
                die("BUG: reference backend %s is unknown", be_name);
 
-       refs = be->init(submodule);
+       refs = be->init(gitdir);
        return refs;
 }
 
@@ -1433,7 +1434,7 @@ struct ref_store *get_main_ref_store(void)
        if (main_ref_store)
                return main_ref_store;
 
-       main_ref_store = ref_store_init(NULL);
+       main_ref_store = ref_store_init(get_git_dir());
        return main_ref_store;
 }
 
@@ -1474,8 +1475,16 @@ struct ref_store *get_ref_store(const char *submodule)
        if (!ret)
                return NULL;
 
-       refs = ref_store_init(submodule);
+       ret = submodule_to_gitdir(&submodule_sb, submodule);
+       if (ret) {
+               strbuf_release(&submodule_sb);
+               return NULL;
+       }
+
+       refs = ref_store_init(submodule_sb.buf);
        register_submodule_ref_store(refs, submodule);
+
+       strbuf_release(&submodule_sb);
        return refs;
 }