$ git clone -n https://src.fedoraproject.org/rpms/python-octave-kernel.git /var/lib/mock/f41-build-762762-13458/root/chroot_tmpdir/scmroot/python-octave-kernel
Cloning into '/var/lib/mock/f41-build-762762-13458/root/chroot_tmpdir/scmroot/python-octave-kernel'...
$ git fetch origin 7ab2f75674791e06bf358f469686d1eadf3a70d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-octave-kernel
 * [new ref]         7ab2f75674791e06bf358f469686d1eadf3a70d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ab2f75 Update to latest version (#2275112)