$ git clone -n https://src.fedoraproject.org/rpms/xmake.git /var/lib/mock/f41-build-827305-155241/root/chroot_tmpdir/scmroot/xmake
Cloning into '/var/lib/mock/f41-build-827305-155241/root/chroot_tmpdir/scmroot/xmake'...
$ git fetch origin 4610709952bea37b1d89b8ff0662585aab06f4f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xmake
 * [new ref]         4610709952bea37b1d89b8ff0662585aab06f4f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4610709 2.9.4