$ git clone -n https://src.fedoraproject.org/rpms/talk.git /var/lib/mock/f40-build-791533-137601/root/chroot_tmpdir/scmroot/talk
Cloning into '/var/lib/mock/f40-build-791533-137601/root/chroot_tmpdir/scmroot/talk'...
$ git fetch origin 698a9ece482b9834dab28ceb33fbecb809445ae0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/talk
 * [new ref]         698a9ece482b9834dab28ceb33fbecb809445ae0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 698a9ec Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild