$ git clone -n https://src.fedoraproject.org/rpms/kontrast.git /var/lib/mock/f42-build-side-1-3583678-46890/root/chroot_tmpdir/scmroot/kontrast
Cloning into '/var/lib/mock/f42-build-side-1-3583678-46890/root/chroot_tmpdir/scmroot/kontrast'...
$ git fetch origin a174137827b4f85ac6e6517ba39aa297484db237:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kontrast
 * [new ref]         a174137827b4f85ac6e6517ba39aa297484db237 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a174137 25.04.3