1 files changed, 1 insertions, 0 deletions
diff --git a/rerere.h b/rerere.h
index 2956c2edf2..407d59996d 100644
--- a/rerere.h
+++ b/rerere.h
@@ -7,6 +7,7 @@ struct pathspec;
 
 #define RERERE_AUTOUPDATE   01
 #define RERERE_NOAUTOUPDATE 02
+#define RERERE_READONLY     04
 
 /*
  * Marks paths that have been hand-resolved and added to the