$ git clone -n https://src.fedoraproject.org/rpms/polylabel.git /var/lib/mock/f41-build-815603-149602/root/chroot_tmpdir/scmroot/polylabel
Cloning into '/var/lib/mock/f41-build-815603-149602/root/chroot_tmpdir/scmroot/polylabel'...
$ git fetch origin 945ca4f022b6ac8649e19335715588ee9dea82df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polylabel
 * [new ref]         945ca4f022b6ac8649e19335715588ee9dea82df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 945ca4f Update to 2.0.1 upstream release