$ git clone -n https://src.fedoraproject.org/rpms/nuntius.git /var/lib/mock/f41-build-1280181-23177/root/chroot_tmpdir/scmroot/nuntius
Cloning into '/var/lib/mock/f41-build-1280181-23177/root/chroot_tmpdir/scmroot/nuntius'...
$ git fetch origin ae1f9187b174c9a4bd293bef88fb157e6b1919b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nuntius
 * [new ref]         ae1f9187b174c9a4bd293bef88fb157e6b1919b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae1f918 Eliminate use of obsolete %patchN syntax (#2283636)