$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcompletion.git /var/lib/mock/f41-build-859495-168696/root/chroot_tmpdir/scmroot/kf6-kcompletion
Cloning into '/var/lib/mock/f41-build-859495-168696/root/chroot_tmpdir/scmroot/kf6-kcompletion'...
$ git fetch origin cb659ab535b303748c2c10922211b267756c96df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcompletion
 * [new ref]         cb659ab535b303748c2c10922211b267756c96df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb659ab 6.7.0