$ git clone -n https://src.fedoraproject.org/rpms/gajim.git /var/lib/mock/f42-build-3291984-41426/root/chroot_tmpdir/scmroot/gajim
Cloning into '/var/lib/mock/f42-build-3291984-41426/root/chroot_tmpdir/scmroot/gajim'...
$ git fetch origin d49fe149ea8d6c7c396b6362ab568e5e9f5993a1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gajim
 * [new ref]         d49fe149ea8d6c7c396b6362ab568e5e9f5993a1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d49fe14 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild