#include "repository.h"
 #include "commit.h"
 
-static int register_replace_ref(const char *refname,
+static int register_replace_ref(struct repository *r,
+                               const char *refname,
                                const struct object_id *oid,
                                int flag, void *cb_data)
 {
        oidcpy(&repl_obj->replacement, oid);
 
        /* Register new object */
-       if (oidmap_put(the_repository->objects->replace_map, repl_obj))
+       if (oidmap_put(r->objects->replace_map, repl_obj))
                die(_("duplicate replace ref: %s"), refname);
 
        return 0;
 }
 
-static void prepare_replace_object(struct repository *r)
+void prepare_replace_object(struct repository *r)
 {
        if (r->objects->replace_map)
                return;