$ git clone -n https://src.fedoraproject.org/rpms/libvdpau-va-gl.git /var/lib/mock/f39-build-1460585-33217/root/chroot_tmpdir/scmroot/libvdpau-va-gl
Cloning into '/var/lib/mock/f39-build-1460585-33217/root/chroot_tmpdir/scmroot/libvdpau-va-gl'...
$ git fetch origin 10f4f91b9056e76967f25a0a17bd096ae1c5127f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libvdpau-va-gl
 * [new ref]         10f4f91b9056e76967f25a0a17bd096ae1c5127f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 10f4f91 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild