$ git clone -n https://src.fedoraproject.org/rpms/rootsh.git /var/lib/mock/f41-build-775102-13519/root/chroot_tmpdir/scmroot/rootsh
Cloning into '/var/lib/mock/f41-build-775102-13519/root/chroot_tmpdir/scmroot/rootsh'...
$ git fetch origin d480f9da0b97b12d20a66fb7055ebbb51a2fa419:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rootsh
 * [new ref]         d480f9da0b97b12d20a66fb7055ebbb51a2fa419 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d480f9d Eliminate use of obsolete %patchN syntax (#2283636)