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git-show: Reject native ref 

So when we do

	git show v1.4.4..v1.5.0

that's an illogical thing to do, since "git show" is defined to be a
non-revision-walking action, which means the range operator be pointless
and wrong. The fact that we happily accept it (and then _only_ show
v1.5.0, which is the positive end of the range) is quite arguably not very
logical.

We should complain, and say that you can only do "no_walk" with positive
refs. Negative object refs really don't make any sense unless you walk
the obejct list (or you're "git diff" and know about ranges explicitly).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Linus Torvalds 2007-02-27 16:22:52 -08:00 committed by Junio C Hamano
parent 7ee70a7119
commit aa27e46111
1 changed files with 2 additions and 0 deletions
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2
revision.c
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@ -116,6 +116,8 @@ void mark_parents_uninteresting(struct commit *commit)
void add_pending_object(struct rev_info *revs, struct object *obj, const char *name)
{
if (revs->no_walk && (obj->flags & UNINTERESTING))
die("object ranges do not make sense when not walking revisions");
add_object_array(obj, name, &revs->pending);
if (revs->reflog_info && obj->type == OBJ_COMMIT)
add_reflog_for_walk(revs->reflog_info,