#!/bin/bash
# Install dependencies and configure the environment for CI build testing

set -ex

PKGS="build-essential gawk ccache genromfs libc6-i386 \
      python-argparse python-empy python-serial zlib1g-dev gcc-4.9 g++-4.9"

ARM_ROOT="gcc-arm-none-eabi-4_9-2015q3"
ARM_TARBALL="$ARM_ROOT-20150921-linux.tar.bz2"

RPI_ROOT="master"
RPI_TARBALL="$RPI_ROOT.tar.gz"

sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
sudo apt-get -qq -y update
sudo apt-get -qq -y install $PKGS
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.9 90 \
    --slave /usr/bin/g++ g++ /usr/bin/g++-4.9

pushd $HOME

mkdir -p $HOME/opt
pushd $HOME/opt

# PX4 toolchain
compiler=$ARM_ROOT
if [ ! -d "$HOME/opt/$compiler" ]; then
  wget http://firmware.diydrones.com/Tools/PX4-tools/$ARM_TARBALL
  tar -xf $ARM_TARBALL
fi

# RPi/BBB toolchain
compiler="tools-master/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64"
if [ ! -d "$HOME/opt/$compiler" ]; then
  wget http://firmware.diydrones.com/Tools/Travis/NavIO/$RPI_TARBALL
  tar -xf $RPI_TARBALL
fi

popd

mkdir -p $HOME/bin

# configure ccache
ln -s /usr/bin/ccache ~/bin/g++
ln -s /usr/bin/ccache ~/bin/gcc
ln -s /usr/bin/ccache ~/bin/arm-none-eabi-g++
ln -s /usr/bin/ccache ~/bin/arm-none-eabi-gcc
ln -s /usr/bin/ccache ~/bin/arm-linux-gnueabihf-g++
ln -s /usr/bin/ccache ~/bin/arm-linux-gnueabihf-gcc

exportline="export PATH=$HOME/bin:"
exportline="${exportline}:$HOME/opt/gcc-arm-none-eabi-4_9-2015q3/bin:"
exportline="${exportline}:$HOME/opt/tools-master/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian-x64/bin:"
exportline="${exportline}:\$PATH"

if grep -Fxq "$exportline" ~/.profile; then
    echo nothing to do;
else
    echo $exportline >> ~/.profile;
fi

. ~/.profile

popd