$ git clone -n https://src.fedoraproject.org/rpms/planets.git /var/lib/mock/f40-build-2230302-53226/root/chroot_tmpdir/scmroot/planets
Cloning into '/var/lib/mock/f40-build-2230302-53226/root/chroot_tmpdir/scmroot/planets'...
$ git fetch origin 5afbb1907ee00755e2dd152d81ef8974fa11d803:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/planets
 * [new ref]         5afbb1907ee00755e2dd152d81ef8974fa11d803 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5afbb19 OCaml 5.1.1 + s390x code gen fix for Fedora 40