$ git clone -n https://src.fedoraproject.org/rpms/octave-doctest.git /var/lib/mock/f40-build-2195300-51523/root/chroot_tmpdir/scmroot/octave-doctest
Cloning into '/var/lib/mock/f40-build-2195300-51523/root/chroot_tmpdir/scmroot/octave-doctest'...
$ git fetch origin d1cb0dbc970da21b2fbba52b5c5dbc775460ce1a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-doctest
 * [new ref]         d1cb0dbc970da21b2fbba52b5c5dbc775460ce1a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1cb0db migrated to SPDX license