t0021: keep filter log files on comparison

diff --git a/read-cache.c b/read-cache.c
index 22ab8b5b61636cbc3bf8bcaf5a2ef964bf69c4c3..92eb15c0004d2a286281fdfb2a489aa45f446288 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2625,3 +2625,9 @@ void stat_validity_update(struct stat_validity *sv, int fd)
                fill_stat_data(sv->sd, &st);
        }
 }
+
+void move_index_extensions(struct index_state *dst, struct index_state *src)
+{
+       dst->untracked = src->untracked;
+       src->untracked = NULL;
+}