#include "tree-walk.h"
 #include "xdiff-interface.h"
 #include "object-store.h"
+#include "repository.h"
 #include "blob.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
 #include "merge-blobs.h"
 
 static const char merge_tree_usage[] = "git merge-tree <base-tree> <branch1> <branch2>";
        res->stage = stage;
        res->path = path;
        res->mode = mode;
-       res->blob = lookup_blob(oid);
+       res->blob = lookup_blob(the_repository, oid);
        return res;
 }