$ git clone -n https://src.fedoraproject.org/rpms/python-eth-tester.git /var/lib/mock/f42-build-3364249-45044/root/chroot_tmpdir/scmroot/python-eth-tester
Cloning into '/var/lib/mock/f42-build-3364249-45044/root/chroot_tmpdir/scmroot/python-eth-tester'...
$ git fetch origin 7d6bbcbbc0fb93f34bf45ba4c40d22428af35322:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-eth-tester
 * [new ref]         7d6bbcbbc0fb93f34bf45ba4c40d22428af35322 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d6bbcb Initial package