$ git clone -n https://src.fedoraproject.org/rpms/python-fisx.git /var/lib/mock/f41-build-side-2-python-2689616-30193/root/chroot_tmpdir/scmroot/python-fisx
Cloning into '/var/lib/mock/f41-build-side-2-python-2689616-30193/root/chroot_tmpdir/scmroot/python-fisx'...
$ git fetch origin f6dff50aab9cf4543e0380639d062a519428db9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-fisx
 * [new ref]         f6dff50aab9cf4543e0380639d062a519428db9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6dff50 Version 1.3.2