#!/bin/sh
 
# Heavily based on the Slackware 14.1 SlackBuild
# Packager Andrea Sciucca ( gohanz at infinito.it)
# Thanks to H.Hanson script.
# Modified by miklos < ardutu at gmail dot com >
# 
# Slackware build script for google-chrome
# Official Site: https://www.google.com/intl/it/chrome/browser/
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Require:

set -e

# Basic information.
PKGNAME=google-chrome
BUILD=${BUILD:-1}
TAG=${TAG:-sl}
ARCH=${ARCH:-$(uname -m)}
# Just in case:
case "$ARCH" in
  i?86) DEBARCH="i386" ; LIBDIRSUFFIX="" ; ARCH=i386 ;;
  x86_64) DEBARCH="amd64" ; LIBDIRSUFFIX="64" ;;
esac
SOURCE=https://dl.google.com/linux/direct/google-chrome-stable_current'_'$DEBARCH.deb
TAR=      # empty = auto
DIR=      # empty = auto
DOCS=""
SLKFILES="" # all files needed to the slackbuild (except slack-desc etc..)

# Automatically determine the architecture we're building on:
case "$ARCH" in
	  i?86) export ARCH=i486; SLKCFLAGS="-O2 -march=i486 -mtune=i686"; CHOST="i486-slackware-linux" ;;
	x86_64) SLKCFLAGS="-O2 -fPIC"; LIBDIRSUFFIX="64"; CHOST="x86_64-slackware-linux" ;;
	  arm*) export ARCH=arm; SLKCFLAGS="-O2 -march=armv5te"; CHOST="arm-slackware-linux-gnueabi" ;;
# Unless $ARCH is already set, use uname -m for all other archs:
		 *) export ARCH=$( uname -m ) ;;
esac

# An EULA for non-free packages
if [ -e EULA.TXT ];then
  more EULA.TXT
  echo "Do you accept terms? (yes/[no])":
  read ACCEPT
  if [ "$ACCEPT" != "yes" ];then
    echo; echo "SlackBuild Aborted!!"
    exit 1
  fi
fi

# Does not touch following if not needed
JOBS=${JOBS:--j2}
CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}
TAR=${TAR:-$(basename $SOURCE)}
DIR=${DIR:-$(echo "$TAR"|sed -r 's/(\.tar|)(.gz|.bz2|.xz|)$//')}
 
if [ ! -e "$CWD/$TAR" ];then
  wget "$SOURCE" -O "$CWD/$TAR"
fi

# Get the real version, thanks to Fred Richards.
VERSION=$(ar p google-chrome-stable_current'_'$DEBARCH.deb control.tar.gz | tar zxO ./control | grep Version | awk '{print $2}' | cut -d- -f1)

### Preparing Source
rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
ar -x $CWD/$TAR || exit 1

cd $PKG
# Decompress the source tarball
tar xf $TMP/data.tar.lzma || exit 1

chmod 0755 $PKG # Put this back.
rm -rf etc/ # The cron job is debian/ubuntu only.

# Installing icons directory
cd $PKG/opt/google/chrome
for res in 16 22 24 32 48 64 128 256 ;do
  dir=${PKG}/usr/share/icons/hicolor/${res}x${res}/apps
  mkdir -p ${dir}
  install -m0644 product_logo_${res}.png \
                 ${dir}/${PKGNAME}.png || exit 1 
done

# Fix default mandir
mkdir -p $PKG/usr/man/man1
mv $PKG/usr/share/man/man1/* $PKG/usr/man/man1
rm -r $PKG/usr/share/man

# Also add the slack-desk file and this slackbuild to the package
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

# Building some symlinks to mozilla libraries inside the /install/doinst.sh
cat << EOF > $PKG/install/doinst.sh
chmod 4755 /opt/google/chrome/chrome-sandbox
EOF

# Building some post-install execution script 	
	echo "if [ -x /usr/bin/update-mime-database ]; then
  /usr/bin/update-mime-database /usr/share/mime &> /dev/null
fi" >> $PKG/install/doinst.sh
	echo "" >> $PKG/install/doinst.sh
	echo "if [ -x /usr/bin/update-desktop-database ]; then
  /usr/bin/update-desktop-database 1> /dev/null 2> /dev/null
fi" >> $PKG/install/doinst.sh
	echo "" >> $PKG/install/doinst.sh
	echo "if [ -x /usr/bin/gtk-update-icon-cache ]; then
  /usr/bin/gtk-update-icon-cache  -f -q /usr/share/icons/hicolor 1> /dev/null 2> /dev/null
fi" >> $PKG/install/doinst.sh
	echo "" >> $PKG/install/doinst.sh

# Documentation
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
for DC in $DOCS;do
	[ -e $DC ] && cp -r $DC $PKG/usr/doc/$PKGNAME-$VERSION/ || true
done
 
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild
cd $CWD
for SB in $PKGNAME.SlackBuild slack-desc doinst.sh doinst.sh.gz EULA.TXT $SLKFILES;do
  [ -e $SB ]&&cp -r $SB $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$SB
done

for i in man info
do
    if [ -d $PKG/usr/$i ]; then
   		cd $PKG/usr/$i
		find . -type f -exec gzip -9 {} \;
		for file in $( find . -type l ) ; do ln -s $( readlink $file ).gz $file.gz ; rm $file ; done
		[ "$i" == "info" ] && rm -f dir
    fi
done

# Strip binary files
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)


# Preparing to packaging
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
[ -e $CWD/doinst.sh ] && cat $CWD/doinst.sh > $PKG/install/doinst.sh
[ -e $CWD/doinst.sh.gz ] && zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh

cd $PKG
chown -R root:root $PKG

if [ -x "$(which requiredbuilder 2>/dev/null)" ];then
  ADD=$(ls /var/log/packages/ | sed -ne 's/\(mozilla-nss\)-\([^-]\+-[^-]\+-[^-]\+\)/\1 >= \2,/p' \
-e 's/\(seamonkey-solibs\)-\([^-]\+-[^-]\+-[^-]\+\)/\1 >= \2/p') \
  requiredbuilder -y -v -s $CWD $PKG   # add "-c -b" if you have binary files in /usr/share 
  [ -e install/slack-required ]&&cat install/slack-required > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-required
fi

# Packaging
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}
 
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi