$ git clone -n https://src.fedoraproject.org/rpms/octave-statistics.git /var/lib/mock/f38-build-714584-94995/root/chroot_tmpdir/scmroot/octave-statistics
Cloning into '/var/lib/mock/f38-build-714584-94995/root/chroot_tmpdir/scmroot/octave-statistics'...
$ git fetch origin 093783083c9100e30e53c6aa8efac39569464d8d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-statistics
 * [new ref]         093783083c9100e30e53c6aa8efac39569464d8d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0937830 Update to 1.5.4