#!/bin/bash
#  Copyright (C) 2010-2011  Matias 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=5.0
ARCH=${ARCH:-i486}
if [[ $ARCH = i486 ]]; then
  PKG_ARCH=i686
else
  PKG_ARCH=$ARCH
fi
B=1

# Flags for the compiler:
DCFLAGS=${DCFLAGS:=-march=i686 -mtune=generic}

PKG=${TMP}/package-icecat

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

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

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/mozconfig > .mozconfig

if [[ $ARCH = x86_64 ]]; then
  sed -i 's#--libdir=/usr/lib#--libdir=/usr/lib64#g' .mozconfig
  suffix=64
fi

export CFLAGS="$DCFLAGS" CXXFLAGS="$DCFLAGS"

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

make
make install DESTDIR=$PKG

# Make symlink compatibility with "Mozilla Firefox":
( cd ${PKG}/usr/bin
  ln -sf icecat firefox
  ln -sf icecat mozilla-firefox
)

# 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 || :
)

# Create a "standard" directory for the plugins/extensions.
# This is to preserve new plugins and extensions in an upgrade:
mkdir -p ${PKG}/usr/lib${suffix}/plugins/mozilla
mkdir -p ${PKG}/usr/lib${suffix}/extensions/mozilla
( cd ${PKG}/usr/lib${suffix}/icecat-${V}
  for file in plugins/* ; do
    if [[ -e $x ]]; then
      cp -a $x ${PKG}/usr/lib${suffix}/plugins/mozilla
    fi
  done
  for x in extensions/* ; do
    if [[ -e $x ]]; then
      cp -a $x ${PKG}/usr/lib${suffix}/extensions/mozilla
    fi
  done
  rm -rf plugins extensions
  ln -s /usr/lib${suffix}/plugins/mozilla plugins
  ln -s /usr/lib${suffix}/extensions/mozilla extensions
)

# Add desktop entry:
mkdir -p ${PKG}/usr/share/{applications,pixmaps}
cat ${CWD}/files/icecat.desktop > ${PKG}/usr/share/applications/icecat.desktop
cat ${CWD}/files/icecat.png > ${PKG}/usr/share/pixmaps/icecat.png

# Add the documentation:
mkdir -p ${PKG}/usr/doc/icecat-${V}
cp -a \
 ChangeLog LEGAL LICENSE README* \
 ${PKG}/usr/doc/icecat-${V}
find ${PKG}/usr/doc/icecat-${V} -type f | xargs chmod 644

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

cd $PKG
makepkg -l ${OUT}/icecat-${V}-${PKG_ARCH}-${B}.tlz