$ git clone -n https://src.fedoraproject.org/rpms/python-jsonpickle.git /var/lib/mock/f45-build-31257-651/root/chroot_tmpdir/scmroot/python-jsonpickle
Cloning into '/var/lib/mock/f45-build-31257-651/root/chroot_tmpdir/scmroot/python-jsonpickle'...
$ git fetch origin 6f2f5740e86b8ba77a3684ddf4b062d2e633810a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jsonpickle
 * [new ref]         6f2f5740e86b8ba77a3684ddf4b062d2e633810a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f2f574 Update to 4.1.2 + disable broken tests