$ git clone -n https://src.fedoraproject.org/rpms/planets.git /var/lib/mock/f42-build-3353580-45017/root/chroot_tmpdir/scmroot/planets
Cloning into '/var/lib/mock/f42-build-3353580-45017/root/chroot_tmpdir/scmroot/planets'...
$ git fetch origin cdd66316080ebb97f2d3af95cac1fba316c378d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/planets
 * [new ref]         cdd66316080ebb97f2d3af95cac1fba316c378d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cdd6631 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild