#!/bin/bash
#  Copyright (C) 2010  Matías A. Fonzo, <selk@dragora.org>
#
#  This program is free software: you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program.  If not, see <http://www.gnu.org/licenses/>.

set -e

CWD=$(pwd)

TMP=${TMP:-/tmp/sources}
OUT=${OUT:-/tmp/packages}

V=3.6.13
ARCH=${ARCH:-i486}
B=1

XULRUNNER_VERSION=1.9.2.13

# Flags for the compiler:
DCFLAGS=${DCFLAGS:=-O2}

# Parallel jobs for the compiler:
JOBS=${JOBS:=-j1}

PKG=${TMP}/package-xulrunner

rm -rf $PKG
mkdir -p $PKG $OUT

echo "Uncompressing the tarball..."
( cd $TMP
  rm -rf icecat-${V}
  tar -xvf ${CWD}/icecat-${V}.tar.lz
)

cd ${TMP}/icecat-${V}

# Set sane ownerships and permissions:
chown -R 0:0 .
find . \
 \( -perm 2777 -o \
    -perm 777  -o \
    -perm 775  -o \
    -perm 711  -o \
    -perm 555  -o \
    -perm 511     \
 \) -exec chmod 755 {} + \
  -o \
 \( -perm 666 -o \
    -perm 664 -o \
    -perm 600 -o \
    -perm 444 -o \
    -perm 440 -o \
    -perm 400    \
 \) -exec chmod 644 {} +

# Insert our config:
cat ${CWD}/files/xulrunner.mozconfig > .mozconfig

if [[ $ARCH = x86_64 ]]; then
  sed -i 's#--libdir=/usr/lib#--libdir=/usr/lib64#g' .mozconfig
fi

CFLAGS="$DCFLAGS" \
CXXFLAGS="$DCFLAGS" \
./configure \
 --host=${ARCH}-dragora-linux-gnu \
 --target=${ARCH}-dragora-linux-gnu \
 --build=${ARCH}-dragora-linux-gnu

make $JOBS
make install DESTDIR=$PKG

# To handle config:
( cd ${PKG}/etc/gre.d
  chmod 644 ${XULRUNNER_VERSION}.system.conf
  mv ${XULRUNNER_VERSION}.system.conf{,.new}
)

# Strip binaries & libraries:
( cd $PKG
  find . -type f | xargs file | awk '/ELF/ && /executable/ || /shared object/' | \
   cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . -type f | xargs file | awk '/current ar archive/' | \
   cut -f 1 -d : | xargs strip --strip-debug 2> /dev/null
)

# Make a symlink for the compatibility with Icedtea:
( cd ${PKG}/usr/include/xulrunner-${XULRUNNER_VERSION}
  ln -sf . stable
)

# Make the post-install script:
mkdir -p ${PKG}/install
cat << EOF > ${PKG}/install/post-install
# Handle config files:
config() {
  local new old
  new="\$1"
  old=\${1%.new}
  if [ ! -r \$old ]; then
    mv \$new \$old
  elif [ "\$(md5sum \$old | cut -f 1 -d ' ')" = "\$(md5sum \$new | cut -f 1 -d ' ')" ]; then
    rm \$new
  else
    echo "You have a new config file \"\${ROOT}/\${new}\" at your consideration."
  fi
}

config etc/gre.d/${XULRUNNER_VERSION}.system.conf.new

EOF

# Copy the description files:
mkdir -p ${PKG}/description
cp ${CWD}/descriptions/xulrunner/?? ${PKG}/description

cd $PKG
makepkg -l ${OUT}/xulrunner-${XULRUNNER_VERSION}-${ARCH}-${B}.tlz