X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=tag.c;h=b1ab75ff0164b0090f43ba55d2a70239ca2fdb7a;hb=6b17c674aa517c4b22cd88809fcf1532b8204fbf;hp=4041af2572a4427a03bc8955137b7d2211f9d770;hpb=5d6ccf5ce7f28e576a87f6c6f4f99fae90e06db6;p=git.git

diff --git a/tag.c b/tag.c
index 4041af25..b1ab75ff 100644
--- a/tag.c
+++ b/tag.c
@@ -3,6 +3,13 @@
 
 const char *tag_type = "tag";
 
+struct object *deref_tag(struct object *o)
+{
+	while (o && o->type == tag_type)
+		o = parse_object(((struct tag *)o)->tagged->sha1);
+	return o;
+}
+
 struct tag *lookup_tag(const unsigned char *sha1)
 {
         struct object *obj = lookup_object(sha1);
@@ -28,6 +35,7 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
 	int typelen, taglen;
 	unsigned char object[20];
 	const char *type_line, *tag_line, *sig_line;
+	char type[20];
 
         if (item->object.parsed)
                 return 0;
@@ -38,10 +46,6 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
 	if (memcmp("object ", data, 7) || get_sha1_hex(data + 7, object))
 		return -1;
 
-	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))
 		return -1;
@@ -58,11 +62,17 @@ int parse_tag_buffer(struct tag *item, void *data, unsigned long size)
 	typelen = tag_line - type_line - strlen("type \n");
 	if (typelen >= 20)
 		return -1;
+	memcpy(type, type_line + 5, typelen);
+	type[typelen] = '\0';
 	taglen = sig_line - tag_line - strlen("tag \n");
 	item->tag = xmalloc(taglen + 1);
 	memcpy(item->tag, tag_line + 4, taglen);
 	item->tag[taglen] = '\0';
 
+	item->tagged = lookup_object_type(object, type);
+	if (item->tagged)
+		add_ref(&item->object, item->tagged);
+
 	return 0;
 }