$ git clone -n https://src.fedoraproject.org/rpms/mupen64plus.git /var/lib/mock/f41-build-1022713-18093/root/chroot_tmpdir/scmroot/mupen64plus
Cloning into '/var/lib/mock/f41-build-1022713-18093/root/chroot_tmpdir/scmroot/mupen64plus'...
$ git fetch origin 68a7eef82c563dd55d53a818717756ff5a9baf94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mupen64plus
 * [new ref]         68a7eef82c563dd55d53a818717756ff5a9baf94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 68a7eef Eliminate use of obsolete %patchN syntax (#2283636)