$ git clone -n https://src.fedoraproject.org/rpms/kf5-kalarmcal.git /var/lib/mock/f38-build-717730-96588/root/chroot_tmpdir/scmroot/kf5-kalarmcal
Cloning into '/var/lib/mock/f38-build-717730-96588/root/chroot_tmpdir/scmroot/kf5-kalarmcal'...
$ git fetch origin 923294cacb341b28168aecd34f0c1371533c453f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kalarmcal
 * [new ref]         923294cacb341b28168aecd34f0c1371533c453f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 923294c 21.12.3