$ git clone -n https://src.fedoraproject.org/rpms/wordpress.git /var/lib/mock/f45-build-46460-835/root/chroot_tmpdir/scmroot/wordpress
Cloning into '/var/lib/mock/f45-build-46460-835/root/chroot_tmpdir/scmroot/wordpress'...
$ git fetch origin 4df68962409223bf6ea5495f8384baa190de9c01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wordpress
 * [new ref]         4df68962409223bf6ea5495f8384baa190de9c01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4df6896 v7.1