$ git clone -n https://src.fedoraproject.org/rpms/fapolicyd.git /var/lib/mock/f45-build-8671-393/root/chroot_tmpdir/scmroot/fapolicyd
Cloning into '/var/lib/mock/f45-build-8671-393/root/chroot_tmpdir/scmroot/fapolicyd'...
$ git fetch origin c51d84771a67aaff59e23a14663dd85312b78624:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fapolicyd
 * [new ref]         c51d84771a67aaff59e23a14663dd85312b78624 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c51d847 fapolicyd-2.0.1