$ git clone -n https://src.fedoraproject.org/rpms/python-dipy.git /var/lib/mock/f40-build-803607-144308/root/chroot_tmpdir/scmroot/python-dipy
Cloning into '/var/lib/mock/f40-build-803607-144308/root/chroot_tmpdir/scmroot/python-dipy'...
$ git fetch origin c0a2f96eaf6e4f4d2c125a1731c7e4cc7c7a07a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dipy
 * [new ref]         c0a2f96eaf6e4f4d2c125a1731c7e4cc7c7a07a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c0a2f96 Amend files section