#!/usr/bin/env bash

set -e
set -u

source "$(dirname $0)/build-dev-bundle-common.sh"
echo CHECKOUT DIR IS "$CHECKOUT_DIR"
echo BUILDING NODE "v$NODE_VERSION" IN "$DIR"

cd "$DIR"

if [ ! -z ${NODE_FROM_SRC+x} ] || [ ! -z ${NODE_COMMIT_HASH+x} ]
then
    if [ ! -z ${NODE_COMMIT_HASH+x} ]
    then
        NODE_FROM_SRC=${NODE_FROM_SRC:=true}
        echo "Building Node source from Git hash ${NODE_COMMIT_HASH}...";
        NODE_URL="https://github.com/meteor/node/archive/${NODE_COMMIT_HASH}.tar.gz"
    else
        echo "Building Node source from ${NODE_VERSION} src tarball...";
        NODE_URL="https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}.tar.gz"
    fi
else
    NODE_URL="https://nodejs.org/dist/v${NODE_VERSION}/${NODE_TGZ}"
fi

mkdir node-build
cd node-build

echo "Downloading Node from ${NODE_URL}"
curl -sL "${NODE_URL}" | tar zx --strip-components 1

# Build with International Components for Unicode (ICU) Support...
# Node 4.x used 56.x. Node 8.x uses 59.x.   I believe the only
# reliable location to find the correct version of ICU for a Node.js
# release is to check `process.config.icu_ver_major` from an
# official, compiled Node.js release.
# https://github.com/nodejs/node/wiki/Intl#configure-node-with-specific-icu-source
echo "Downloading International Components for Unicode (ICU)..."
curl -sL https://s3.amazonaws.com/com.meteor.static/icu/icu4c-56_1-src.tgz | \
  tar zx -C deps/

node_configure_flags=()

if [ "${NODE_FROM_SRC:-}" = "debug" ]
then
    node_configure_flags+=('--debug')
fi

# "make binary" includes DESTDIR and PORTABLE=1 options.
# Unsetting BUILD_DOWNLOAD_FLAGS allows the ICU download above to work.
make -j4 binary \
  BUILD_DOWNLOAD_FLAGS= \
  RELEASE_URLBASE=https://nodejs.org/download/release/ \
  CONFIG_FLAGS="${node_configure_flags[@]+"${node_configure_flags[@]}"}"

TARBALL_PATH="${CHECKOUT_DIR}/node_${PLATFORM}_v${NODE_VERSION}.tar.gz"
mv node-*.tar.gz "${TARBALL_PATH}"

cd "$DIR"
rm -rf node-build

echo DONE