$ git clone -n https://src.fedoraproject.org/rpms/vagrant-libvirt.git /var/lib/mock/f39-build-2024722-47000/root/chroot_tmpdir/scmroot/vagrant-libvirt
Cloning into '/var/lib/mock/f39-build-2024722-47000/root/chroot_tmpdir/scmroot/vagrant-libvirt'...
$ git fetch origin ef122aab9c8a9f5f43faaa7a1457851b8e2d77ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vagrant-libvirt
 * [new ref]         ef122aab9c8a9f5f43faaa7a1457851b8e2d77ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ef122aa Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild