builtin/merge-base: convert to struct object_id

diff --git a/grep.h b/grep.h
index 5856a23e4620773cbda2e2944f93946c2701f923..267534ca24df532505854e1af31c53ed01bab24e 100644 (file)
--- a/grep.h
+++ b/grep.h
@@ -161,6 +161,7 @@ struct grep_source {
                GREP_SOURCE_SHA1,
                GREP_SOURCE_FILE,
                GREP_SOURCE_BUF,
+               GREP_SOURCE_SUBMODULE,
        } type;
        void *identifier;