diff --git a/repo.proto b/repo.proto
index a5a35c1..3234b2c 100644
--- a/repo.proto
+++ b/repo.proto
@@ -42,6 +42,8 @@ message Repos {				// `autogenpb:marshal` `autogenpb:sort` `autogenpb:nomutex`
 	string   uuid	        = 1;    // `autogenpb:uuid:8daaeba1-fb1f-4762-ae6e-95a55d352673`
 	string   version        = 2;    // `autogenpb:version:v3`
 	repeated Repo repos 	= 3;    // `autogenpb:append`   // generate AppendUnique() function for this
+	bool	hasFullScan     = 4; 		// a full repo scan has been saved to disk
+	google.protobuf.Timestamp fullScan   = 5;		// mtime of the last full scan saved to disk
 }
 
 // should it be done this way?