$ git clone -n https://src.fedoraproject.org/rpms/lis.git /var/lib/mock/f45-build-17460-499/root/chroot_tmpdir/scmroot/lis
Cloning into '/var/lib/mock/f45-build-17460-499/root/chroot_tmpdir/scmroot/lis'...
$ git fetch origin f7372ec1538600458b64e825630f9e6e46a3f173:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lis
 * [new ref]         f7372ec1538600458b64e825630f9e6e46a3f173 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f7372ec drop ix86 support