$ git clone -n https://src.fedoraproject.org/rpms/python-parver.git /var/lib/mock/f40-build-2079215-49653/root/chroot_tmpdir/scmroot/python-parver
Cloning into '/var/lib/mock/f40-build-2079215-49653/root/chroot_tmpdir/scmroot/python-parver'...
$ git fetch origin a43193404586440fe5f3b44acf7671767813429d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-parver
 * [new ref]         a43193404586440fe5f3b44acf7671767813429d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a431934 Update to 0.4