$ git clone -n https://src.fedoraproject.org/rpms/howl.git /var/lib/mock/f39-build-1670822-40852/root/chroot_tmpdir/scmroot/howl
Cloning into '/var/lib/mock/f39-build-1670822-40852/root/chroot_tmpdir/scmroot/howl'...
$ git fetch origin c2805ad8ed9fbbbd69f71fa3fe3bcea72b9301af:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/howl
 * [new ref]         c2805ad8ed9fbbbd69f71fa3fe3bcea72b9301af -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2805ad Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild