31b808a0 (clone --single: limit the fetch refspec to fetched branch,
2012-09-20) tried to see if the given "branch" to follow is actually
a tag at the remote repository by checking with "refs/tags/" but it
incorrectly used strstr(3); it is actively wrong to treat a "branch"
"refs/heads/refs/tags/foo" and use the logic for the "refs/tags/"
ref hierarchy. What the code really wanted to do is to see if it
starts with "refs/tags/".
Signed-off-by: Junio C Hamano <gitster@xxxxxxxxx>
---
Jeff King <peff@xxxxxxxx> writes:
>> Because the pattern is not anchored to the left with a slash, it is
>> clear that the original cannot even claim that it was trying to
>> munge "foo/refs/tags/" as well.
>
> Yeah, the strstr seems very wrong there. Even with the "/", why would
> you want to match "refs/heads/refs/tags/"?
>
>> Which means this is trivially correct, but at the same time I wonder
>> what it means for our-head to point at a ref in refs/tags/ hierarchy.
>
> I think it is for "git clone --branch=v1.0". We create a refspec pulling
> v1.0 to its local tag in that case (as opposed to to something in
> "refs/remotes/origin/"). So I really think this does want to be
> starts_with.
Thanks; here is what I'm gonna queue.
builtin/clone.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/builtin/clone.c b/builtin/clone.c
index 9b3c04d..545105a 100644
--- a/builtin/clone.c
+++ b/builtin/clone.c
@@ -695,7 +695,7 @@ static void write_refspec_config(const char* src_ref_prefix,
if (option_mirror || !option_bare) {
if (option_single_branch && !option_mirror) {
if (option_branch) {
- if (strstr(our_head_points_at->name, "refs/tags/"))
+ if (starts_with(our_head_points_at->name, "refs/tags/"))
strbuf_addf(&value, "+%s:%s", our_head_points_at->name,
our_head_points_at->name);
else
--
2.0.0-637-g8ac8cc9
--
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