$ git clone -n https://src.fedoraproject.org/rpms/python-astropy.git /var/lib/mock/f40-build-2256009-54271/root/chroot_tmpdir/scmroot/python-astropy
Cloning into '/var/lib/mock/f40-build-2256009-54271/root/chroot_tmpdir/scmroot/python-astropy'...
$ git fetch origin ee08ddbceaa5184e9c114e39e5bd256411e8d0ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-astropy
 * [new ref]         ee08ddbceaa5184e9c114e39e5bd256411e8d0ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee08ddb Add patch to fix test error