$ git clone -n https://src.fedoraproject.org/rpms/python-mathics-pygments.git /var/lib/mock/f45-build-31500-652/root/chroot_tmpdir/scmroot/python-mathics-pygments
Cloning into '/var/lib/mock/f45-build-31500-652/root/chroot_tmpdir/scmroot/python-mathics-pygments'...
$ git fetch origin f2972237291a4677a29403eb26a0f80fe199007e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-mathics-pygments
 * [new ref]         f2972237291a4677a29403eb26a0f80fe199007e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f297223 Fixes F45FailsToInstall: python3-mathics-pygments