$ git clone -n https://src.fedoraproject.org/rpms/octave-miscellaneous.git /var/lib/mock/f41-build-side-1-2957998-35614/root/chroot_tmpdir/scmroot/octave-miscellaneous
Cloning into '/var/lib/mock/f41-build-side-1-2957998-35614/root/chroot_tmpdir/scmroot/octave-miscellaneous'...
$ git fetch origin 9f287f60ab1861ab8e9d466893e64bc4cb00d08f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-miscellaneous
 * [new ref]         9f287f60ab1861ab8e9d466893e64bc4cb00d08f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f287f6 update to 1.3.1