/bin/compile

#!/usr/bin/env bash
# bin/compile <build-dir> <cache-dir>

# fail fast
set -e

# config
APACHE_VERSION="2.4.3"
APACHE_PATH="apache"
PHP_VERSION="5.4.11"
PHP_PATH="php"
BUILDPACK_VERSION="2.0-a7"
BP_URL="https://s3.amazonaws.com/licorice-labs-buildpacks/apache-$APACHE_VERSION-php-$PHP_VERSION-v$BUILDPACK_VERSION.tar.gz"
OPT_BUILDPACK_URL="http://vulcan-wlian.herokuapp.com/output/f6d6680f-68ee-4153-a8ab-75ce8687c98c"

BIN_DIR=$(dirname $0)
BUILD_DIR=$1
CACHE_DIR=$2
LP_DIR=`cd $(dirname $0); cd ..; pwd`

# include .files when moving things around
shopt -s dotglob

echo "Build dir is $BUILD_DIR"
cd $BUILD_DIR

# move app things to www
mkdir -p $CACHE_DIR/www
mv * $CACHE_DIR/www
mv $CACHE_DIR/www .

# move Procfile back to where it is expected
if [ -f www/Procfile ]; then
  mv www/Procfile .
fi

echo "-----> Extracting Apache $APACHE_VERSION PHP $PHP_VERSION build $BUILDPACK_VERSION"
echo "-----> from $OPT_BUILDPACK_URL"
curl --silent --max-time 60 --location "$OPT_BUILDPACK_URL" | tar xz

# update config files
cp $LP_DIR/conf/httpd.conf $APACHE_PATH/conf
cp $LP_DIR/conf/php.ini php
cp $LP_DIR/conf/php-fpm.conf $BUILD_DIR/php/etc/

# make php available on bin wtih symbolic link, use relative path so it works when remounted
mkdir bin
cd bin
ln -s ../php/bin/php php
cd ..

export LD_LIBRARY_PATH=$BUILD_DIR/local/lib

# set a slug_id identifier
slug_id=$(php/bin/php -r "echo md5(uniqid('', TRUE));")
echo $slug_id > SLUG_ID
echo "Creating Slug Identifier file with id: ${slug_id}"

echo "Installing Composer binary"
curl -s https://getcomposer.org/installer | $BUILD_DIR/bin/php -- --install-dir=bin
mv bin/composer.phar bin/composer

if [ -f $BUILD_DIR/www/composer.json ]; then
  echo "Installing Composer dependencies"
  cd $BUILD_DIR/www
  $BUILD_DIR/bin/php $BUILD_DIR/bin/composer install --prefer-dist
  cd $BUILD_DIR
fi

cat >>boot.sh <<EOF
echo "Checking for WWWROOT environment variable..."
if [ -n "\${WWWROOT:+x}" ]; then
  sed -ie "s%/app/www[^\\"]*%/app/www\$WWWROOT%" /app/apache/conf/httpd.conf
fi

export HW_ADDR=\`/sbin/ifconfig eth0 | grep HWaddr | awk '{print \$5}'\`
echo "SetEnv HW_ADDR \$HW_ADDR" >> /app/apache/conf/httpd.conf;

for var in \`env|cut -f1 -d=\`; do
  echo "PassEnv \$var" >> /app/apache/conf/httpd.conf;
done
touch /app/apache/logs/error_log
touch /app/apache/logs/access_log
export PHP_ERROR_LOG=\`/app/php/bin/php -i | grep error_log | awk '{print \$5}'\`
touch \$PHP_ERROR_LOG
chmod 0777 \$PHP_ERROR_LOG
tail -F /app/apache/logs/error_log &
tail -F /app/apache/logs/access_log &
tail -F \$PHP_ERROR_LOG &
export LD_LIBRARY_PATH=/app/local/lib
# export PHP_INI_SCAN_DIR=/app/php

# let's check for hook scripts
# .hooks will be DEPRECATED soon in favor of .heroku
if [ -d www/.hooks ]; then
  for file in www/.hooks/*.sh; do
    /bin/bash \$file
  done
fi
if [ -d www/.heroku ]; then
  for file in www/.heroku/*.sh; do
    /bin/bash \$file
  done
fi

echo "Launching PHP FPM"
/app/php/sbin/php-fpm -y /app/php/etc/php-fpm.conf -c /app/php/php.ini

echo "Launching apache"
exec /app/apache/bin/httpd -DNO_DETACH
EOF

chmod +x boot.sh

# clean the cache
rm -rf $CACHE_DIR/*

# run a post build script from the app
# .hooks will be DEPRECATED soon in favor of .heroku
if [ -d $BUILD_DIR/www/.hooks -a -f $BUILD_DIR/www/.hooks/build.sh ]; then
    chmod 0755 $BUILD_DIR/www/.hooks/build.sh
    /usr/bin/env bash $BUILD_DIR/www/.hooks/build.sh
    rm $BUILD_DIR/www/.hooks/build.sh
fi

if [ -d $BUILD_DIR/www/.heroku -a -f $BUILD_DIR/www/.heroku/compile.sh ]; then
    chmod 0755 $BUILD_DIR/www/.heroku/compile.sh
    /usr/bin/env bash $BUILD_DIR/www/.heroku/compile.sh
    rm $BUILD_DIR/www/.heroku/compile.sh
fi