diff-tree: fix "whole sub-tree disappeared or appeared" case

diff --git a/tag.h b/tag.h
index 7ae7864d8a8477bfd22d4e29d78119d345f2bbb9..41826870f87aaa2e45f34b825aa2c7c63aa81d80 100644 (file)
--- a/tag.h
+++ b/tag.h
@@ -12,4 +12,8 @@ struct tag {
        char *signature; /* not actually implemented */
 };
 
+extern struct tag *lookup_tag(unsigned char *sha1);
+extern int parse_tag_buffer(struct tag *item, void *data, unsigned long size);
+extern int parse_tag(struct tag *item);
+
 #endif /* TAG_H */