#!/bin/bash

ROOT=$(dirname "$0")
if [ ! -e "$ROOT"/third_party ]; then
  # Potentially run from a different folder before packaging.
  ROOT=$(dirname "$ROOT")
fi

if [ ! -e "$ROOT"/third_party ]; then
  echo "Unable to find third_party sources!" 1>&2
  exit 1
fi

ROOT=$(realpath "$ROOT")
TMP=$(mktemp -d)
trap "rm -rf $TMP" EXIT

set -x
set -e

cd $TMP

# Check out and install gyp locally
git clone https://chromium.googlesource.com/external/gyp gyp_new
rm -rf "$ROOT"/third_party/gyp
mv gyp_new/pylib/gyp "$ROOT"/third_party/gyp
rm -rf gyp_new

# Check out and install jsmn locally
git clone https://github.com/zserge/jsmn jsmn_new
rm -rf "$ROOT"/third_party/jsmn
mkdir "$ROOT"/third_party/jsmn
cp -R jsmn_new/* "$ROOT"/third_party/jsmn
rm -rf jsmn_new

# Check out and install stringencoders locally
# NOTE: this is new for v3.2
git clone https://github.com/client9/stringencoders.git stringencoders_git
(
  cd stringencoders_git
  ./bootstrap.sh
  ./configure
  cd src
  make modp_b64_data.h
  make modp_b64.c
  cd ..
  ./configure --with-b64wchars='-_='
  cd src
  make modp_b64w_data.h
  make modp_b64w.c
  cd ..
  mkdir -p "$ROOT"/third_party/stringencoders/src
  cp src/modp_b64.c "$ROOT"/third_party/stringencoders/src/modp_b64.cpp
  cp src/modp_b64.h src/modp_b64_data.h "$ROOT"/third_party/stringencoders/src/
  cp src/modp_b64w.c "$ROOT"/third_party/stringencoders/src/modp_b64w.cpp
  cp src/modp_b64w.h src/modp_b64w_data.h "$ROOT"/third_party/stringencoders/src/
  cp src/extern_c_begin.h "$ROOT"/third_party/stringencoders/src/
  cp src/extern_c_end.h "$ROOT"/third_party/stringencoders/src/
  cp src/modp_stdint.h "$ROOT"/third_party/stringencoders/src/
  >"$ROOT"/third_party/stringencoders/src/config.h
)

# Check out and install googletest and googlemock locally
# NOTE: this is new for v3.2
git clone https://github.com/google/googletest.git googletest_git
(cd googletest_git && git checkout release-1.8.0)
rm -rf "$ROOT"/third_party/gmock
rm -rf "$ROOT"/third_party/googletest
mv googletest_git "$ROOT"/third_party/googletest

# Check out and install protobuf locally
# NOTE: the tarball is fetched from a different location for v3.2
wget https://github.com/google/protobuf/releases/download/v2.5.0/protobuf-2.5.0.tar.gz
tar xzf protobuf-2.5.0.tar.gz
(cd protobuf-2.5.0 && ./configure)
rm -rf "$ROOT"/third_party/protobuf
mv protobuf-2.5.0 "$ROOT"/third_party/protobuf