$ git clone -n https://src.fedoraproject.org/rpms/kf6-sonnet.git /var/lib/mock/f40-build-2544753-61898/root/chroot_tmpdir/scmroot/kf6-sonnet
Cloning into '/var/lib/mock/f40-build-2544753-61898/root/chroot_tmpdir/scmroot/kf6-sonnet'...
$ git fetch origin 89f24893d1d758b0921c7993fe691fac2117717e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-sonnet
 * [new ref]         89f24893d1d758b0921c7993fe691fac2117717e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89f2489 Use rich supplements for locale-specific language plugins