$ git clone -n https://src.fedoraproject.org/rpms/python-cyipopt.git /var/lib/mock/f41-build-side-2-python-2714642-30525/root/chroot_tmpdir/scmroot/python-cyipopt
Cloning into '/var/lib/mock/f41-build-side-2-python-2714642-30525/root/chroot_tmpdir/scmroot/python-cyipopt'...
$ git fetch origin 8012303ab6db9a51d0a6e1a8a36498ac566ccd6c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cyipopt
 * [new ref]         8012303ab6db9a51d0a6e1a8a36498ac566ccd6c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8012303 Update to 1.5.0 (close RHBZ#2310715)