$ git clone -n https://src.fedoraproject.org/rpms/kf6-kcompletion.git /var/lib/mock/f40-build-2392869-60530/root/chroot_tmpdir/scmroot/kf6-kcompletion
Cloning into '/var/lib/mock/f40-build-2392869-60530/root/chroot_tmpdir/scmroot/kf6-kcompletion'...
$ git fetch origin 118acb3a82538e33a57dff0a38692d185f973d17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kcompletion
 * [new ref]         118acb3a82538e33a57dff0a38692d185f973d17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 118acb3 5.249.0