$ git clone -n https://src.fedoraproject.org/rpms/planarity.git /var/lib/mock/f40-build-2023583-46915/root/chroot_tmpdir/scmroot/planarity
Cloning into '/var/lib/mock/f40-build-2023583-46915/root/chroot_tmpdir/scmroot/planarity'...
$ git fetch origin c64241f620f2a3fd26b98ea538310d7e7d1c8634:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/planarity
 * [new ref]         c64241f620f2a3fd26b98ea538310d7e7d1c8634 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c64241f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild