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Fix send-pack for non-commitish tags.

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Again I left the v2.6.11-tree tag behind.  My bad.

This commit makes sure that we do not barf when pushing a ref
that is a non-commitish tag.  You can update a remote ref under
the following conditions:

 * You can always use --force.
 * Creating a brand new ref is OK.
 * If the remote ref is exactly the same as what you are
   pushing, it is OK (nothing is pushed).
 * You can replace a commitish with another commitish which is a
   descendant of it, if you can verify the ancestry between them;
   this and the above means you have to have what you are replacing.
 * Otherwise you cannot update; you need to use --force.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano
2005-08-05 00:47:56 -07:00
parent b03e2d2091
commit 37fde874c2
4 changed files with 51 additions and 17 deletions
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5
commit.c
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@ -48,13 +48,10 @@ static struct commit *check_commit(struct object *obj, const unsigned char *sha1
struct commit *lookup_commit_reference(const unsigned char *sha1)
{
struct object *obj = parse_object(sha1);
struct object *obj = deref_tag(parse_object(sha1));
if (!obj)
return NULL;
while (obj->type == tag_type)
obj = parse_object(((struct tag *)obj)->tagged->sha1);
return check_commit(obj, sha1);
}