$ git clone -n https://src.fedoraproject.org/rpms/mingetty.git /var/lib/mock/f41-build-1037564-18804/root/chroot_tmpdir/scmroot/mingetty
Cloning into '/var/lib/mock/f41-build-1037564-18804/root/chroot_tmpdir/scmroot/mingetty'...
$ git fetch origin 8b764f92ce6eb32b395fc1a8ffd33655c0d7d1ac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingetty
 * [new ref]         8b764f92ce6eb32b395fc1a8ffd33655c0d7d1ac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b764f9 Eliminate use of obsolete %patchN syntax (#2283636)