$ git clone -n https://src.fedoraproject.org/rpms/python-pyvo.git /var/lib/mock/f39-build-1690196-41135/root/chroot_tmpdir/scmroot/python-pyvo
Cloning into '/var/lib/mock/f39-build-1690196-41135/root/chroot_tmpdir/scmroot/python-pyvo'...
$ git fetch origin 89ba83ad633e9f6100639d7aed7365966ccdc007:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pyvo
 * [new ref]         89ba83ad633e9f6100639d7aed7365966ccdc007 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89ba83a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild