$ git clone -n https://src.fedoraproject.org/rpms/ongres-scram.git /var/lib/mock/f40-build-2700239-70215/root/chroot_tmpdir/scmroot/ongres-scram
Cloning into '/var/lib/mock/f40-build-2700239-70215/root/chroot_tmpdir/scmroot/ongres-scram'...
$ git fetch origin 704b9d10153a496e53a86efd79f7dc2ef3d9f407:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ongres-scram
 * [new ref]         704b9d10153a496e53a86efd79f7dc2ef3d9f407 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 704b9d1 Unify indentation