$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdav.git /var/lib/mock/f40-build-2276587-55168/root/chroot_tmpdir/scmroot/kf6-kdav
Cloning into '/var/lib/mock/f40-build-2276587-55168/root/chroot_tmpdir/scmroot/kf6-kdav'...
$ git fetch origin 6c69add653b8ee4382dfaed168589913550139c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdav
 * [new ref]         6c69add653b8ee4382dfaed168589913550139c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c69add Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild