$ git clone -n https://src.fedoraproject.org/rpms/xfe.git /var/lib/mock/f40-build-804771-144613/root/chroot_tmpdir/scmroot/xfe
Cloning into '/var/lib/mock/f40-build-804771-144613/root/chroot_tmpdir/scmroot/xfe'...
$ git fetch origin 31f57162c8b6ba88b7bfebf4ff9d958cbc9dd547:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfe
 * [new ref]         31f57162c8b6ba88b7bfebf4ff9d958cbc9dd547 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31f5716 1.46.1