$ git clone -n https://src.fedoraproject.org/rpms/python-ratinabox.git /var/lib/mock/f40-build-2395130-60536/root/chroot_tmpdir/scmroot/python-ratinabox
Cloning into '/var/lib/mock/f40-build-2395130-60536/root/chroot_tmpdir/scmroot/python-ratinabox'...
$ git fetch origin b670c2da85989c072298e0a963c432ad87622e3e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-ratinabox
 * [new ref]         b670c2da85989c072298e0a963c432ad87622e3e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b670c2d Conditionalize python-torch dependencies on architecture