$ git clone -n https://src.fedoraproject.org/rpms/octave-statistics.git /var/lib/mock/f40-build-2548620-61920/root/chroot_tmpdir/scmroot/octave-statistics
Cloning into '/var/lib/mock/f40-build-2548620-61920/root/chroot_tmpdir/scmroot/octave-statistics'...
$ git fetch origin 281b1d08cbb46ff241c3f825abd3b4f13d504cf9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-statistics
 * [new ref]         281b1d08cbb46ff241c3f825abd3b4f13d504cf9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 281b1d0 Update to 1.6.5