#!/bin/bash

##
# Fetches the tegra k1 nvidia drivers, installs them, and makes them work again
# after apt-get upgrade breaks my CB5-311.

##
# This is heavily borrowed from
# https://github.com/marcino239/chrubuntu-tegra/blob/master/chrubuntu-tegra.sh

l4tdir=`mktemp -d`
l4t=Tegra124_Linux_R19.3.0_armhf.tbz2
wget -P ${l4tdir} https://developer.nvidia.com/sites/default/files/akamai/mobile/files/L4T/${l4t}
cd ${l4tdir}
tar xvpf ${l4t}
cd Linux_for_Tegra/rootfs/
tar xvpf ../nv_tegra/nvidia_drivers.tbz2
tar cf - usr/lib | ( cd / ; tar xvf -)

cat > install-tegra.sh <<EOF
update-alternatives --install /etc/ld.so.conf.d/arm-linux-gnueabihf_EGL.conf arm-linux-gnueabihf_egl_conf /usr/lib/arm-linux-gnueabihf/tegra-egl/ld.so.conf 1000
update-alternatives --install /etc/ld.so.conf.d/arm-linux-gnueabihf_GL.conf arm-linux-gnueabihf_gl_conf /usr/lib/arm-linux-gnueabihf/tegra/ld.so.conf 1000
ldconfig
EOF