Teach fsck-cache to accept non-commits for reachability analysis.

In particular, teach it about tags. Also, to make reachability actually
work for tags, we need to add the ref to the tagged object.

1 files changed, 2 insertions, 0 deletions

diff --git a/tag.c b/tag.c
index 9eade750d3..3a71dd416a 100644
--- a/tag.c
+++ b/tag.c
@@ -49,6 +49,8 @@ int parse_tag(struct tag *item)
 		goto err;
 
 	item->tagged = parse_object(object);
+	if (item->tagged)
+		add_ref(&item->object, item->tagged);
 
 	type_line = data + 48;
 	if (memcmp("\ntype ", type_line-1, 6))