[PATCH] Parse tags for absent objects

Handle parsing a tag for a non-present object. This adds a function to lookup
an object with lookup_* for * in a string, so that it can get the right storage
based on the "type" line in the tag.

Signed-off-by: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 7 insertions, 4 deletions

diff --git a/tag.c b/tag.c
index 4041af2..2b25fc0 100644
--- a/tag.c
+++ b/tag.c
@@ -28,6 +28,7 @@ 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 +39,6 @@ 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 +55,17 @@ 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;
 }