$ git clone -n https://src.fedoraproject.org/rpms/python-cssselect2.git /var/lib/mock/f42-build-side-1-3499408-45964/root/chroot_tmpdir/scmroot/python-cssselect2
Cloning into '/var/lib/mock/f42-build-side-1-3499408-45964/root/chroot_tmpdir/scmroot/python-cssselect2'...
$ git fetch origin ec2e73b96b7734377d542368c41d8b46ba6d0286:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cssselect2
 * [new ref]         ec2e73b96b7734377d542368c41d8b46ba6d0286 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ec2e73b update to 0.8.0