$ git clone -n https://src.fedoraproject.org/rpms/oneko.git /var/lib/mock/f41-build-1045818-19063/root/chroot_tmpdir/scmroot/oneko
Cloning into '/var/lib/mock/f41-build-1045818-19063/root/chroot_tmpdir/scmroot/oneko'...
$ git fetch origin f5e8ccd28d3c0ea474c24b9ec2c7b059149e01f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oneko
 * [new ref]         f5e8ccd28d3c0ea474c24b9ec2c7b059149e01f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5e8ccd Eliminate use of obsolete %patchN syntax (#2283636)