Re: git-2.51.0: Fetching tags does not work

From: Karthik Nayak <karthik.188@gmail.com>
Date: Nov 3, 2025, 08:50 UTC
Message-ID: <CAOLa=ZT3abHfkNVzwpJyGEhvm5dijdaKSCkoEFgQuLhvab-=aQ@mail.gmail.com>
In-Reply-To: <CAB9xhmPAe1z8wqWnbpPuPE=y=nuKMsGG3_bk+DkGmXDfshaaiA@mail.gmail.com>

David Bohman <debohman@gmail.com> writes:

Show 26 quoted lines

> I am able to reproduce this locally using a bare main repository, a
> local bare clone of it, and a non bare clone of the main to insert
> revisions and tags into the main. If you move an existing tag in the
> main using push -f and then try to fetch --tags into the bare clone,
> it fails to insert a new tag into the bare clone:
>
> % ( cd test2.git; git fetch --tags )
> From /private/tmp/test
>  * branch            HEAD       -> FETCH_HEAD
>  ! [rejected]        stable     -> stable  (would clobber existing tag)
>  * [new tag]         v5         -> v5
> % ( cd test2.git; git fetch --tags )
> From /private/tmp/test
>  * branch            HEAD       -> FETCH_HEAD
>  ! [rejected]        stable     -> stable  (would clobber existing tag)
>  * [new tag]         v5         -> v5
> % print $?
> 1
> % ( cd test2.git; git fetch --tags )
> From /private/tmp/test
>  * branch            HEAD       -> FETCH_HEAD
>  ! [rejected]        stable     -> stable  (would clobber existing tag)
>  * [new tag]         v5         -> v5
> % ( cd test2.git; git tag ) | grep v5
> %
>

Thanks for reporting back, I missed your first email.

I can confirm that I could reproduce this too. I'm currently looking into this and I'm certain that this is due to the transaction reference updates. Nevertheless, I am looking into it and will come back when I find the cause.

- Karthik

Show 29 quoted lines

> On Sun, Nov 2, 2025 at 4:47 PM David Bohman <debohman@gmail.com> wrote:
>>
>> I am sorry to have to bring this up again, but I am still occasionally
>> seeing this problem with git 2.51.2.
>>
>> What is happening is that I am cloning a repository as bare, and then
>> later I try to fetch the new content including the tags:
>>
>> % ( cd bind9.git; git fetch --tags )
>> From https://gitlab.isc.org/isc-projects/bind9
>>  * branch                  HEAD       -> FETCH_HEAD
>>  ! [rejected]              stable     -> stable  (would clobber existing tag)
>>  * [new tag]               v9.18.41   -> v9.18.41
>>  * [new tag]               v9.20.15   -> v9.20.15
>>  * [new tag]               v9.21.14   -> v9.21.14
>> % ( cd bind9.git; git fetch --tags )
>> From https://gitlab.isc.org/isc-projects/bind9
>>  * branch                  HEAD       -> FETCH_HEAD
>>  ! [rejected]              stable     -> stable  (would clobber existing tag)
>>  * [new tag]               v9.18.41   -> v9.18.41
>>  * [new tag]               v9.20.15   -> v9.20.15
>>  * [new tag]               v9.21.14   -> v9.21.14
>> % print $?
>> 1
>> % ( cd bind9.git; git tag ) | grep v9.20.15
>> %
>>
>> As you can see, it is getting an error for one of the tags, but it is
>> also failing to record the other new tags into the repository.