$ git clone -n https://src.fedoraproject.org/rpms/jurand.git /var/lib/mock/f41-build-846134-162970/root/chroot_tmpdir/scmroot/jurand
Cloning into '/var/lib/mock/f41-build-846134-162970/root/chroot_tmpdir/scmroot/jurand'...
$ git fetch origin b972535c732d621b98f91fa84ead00f356200701:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jurand
 * [new ref]         b972535c732d621b98f91fa84ead00f356200701 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b972535 Update to upstream version 1.3.3