#!/bin/bash
# Slackware repack script for opera-next

# Based on both the SlackBuild.org and slacky.eu Opera slackbuilds, using
# ideas from vvoody and Andrea Sciucca (Gohanz).

# Copyright 2006  Martin Lefebvre <dadexter@gmail.com>
# Copyright 2008-2011  Robby Workman, Northport, Alabama, USA
# Copyright 2012  Ruari OEdegaard, Olso, Norway
# All rights reserved.
#
# 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.

# Parse optional command line switches
while [ 0 ]; do

  # If -a or --auto is specified try to work out the latest version automatically
  if [ "$1" = "-a" -o "$1" = "--auto" ]; then
    BUILDINFO=$( wget -qO- http://my.opera.com/desktopteam/blog/ |\
                 sed -nr 's,.*http://snapshot.opera.com/unix/([a-zA-Z0-9]+_[0-9][0-9]\.[0-9][0-9]-[0-9]+).*,\1,p' |\
                 head -n 1 )

    if [ -z "$BUILDINFO" ]; then
      echo "Could not work out the latest version"
      exit 1
    fi

    VERSION=$( expr match $BUILDINFO '.*_\([0-9\.]*\)-[0-9]*' )
    REVISION=${BUILDINFO##*-}
    RANDOMIZER=${BUILDINFO%%_*}
    shift 1

  # If -c or --clean is specified cleanup temp directory after packaging
  elif [ "$1" = "-c" -o "$1" = "--clean" ]; then
    CLEANUP=YES
    shift 1

  else
    break  
  fi

done


# Set variables
PKGNAME=opera-next
VERSION=${VERSION:-12.00}
REVISION=${REVISION:-1372}
RANDOMIZER=${RANDOMIZER:-smile}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}

CWD=$( pwd )
OUTPUT=${OUTPUT:-$CWD}
TMP=${TMP:-/tmp/SlackBuilds}
PKG=$TMP/package-$PKGNAME
CLEANUP=${CLEANUP:-NO}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i686 ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

if [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
  OARCH=$ARCH
elif [ "$ARCH" = "i686" ]; then
  LIBDIRSUFFIX=""
  OARCH=i386
else
  printf "\n\n$ARCH is not supported...\n"
  exit 1
fi

SOURCE=$PKGNAME-$VERSION-$REVISION.$OARCH.linux.tar.xz


# Exit on errors
set -eu


# Download the source tarball if it is not present locally
if [ ! -e $SOURCE ]; then
  wget -c http://snapshot.opera.com/unix/${RANDOMIZER}_$VERSION-$REVISION/$SOURCE
fi


# Make sure build and ouput directories exist
rm -rf $PKG
mkdir -p $PKG $OUTPUT
cd $TMP


# Extract and setup package contents
tar xf $CWD/$SOURCE
$PKGNAME-$VERSION-$REVISION.$OARCH.linux/install --prefix /usr --repackage $PKG/usr


# Make sure Library path is correct for all architectures
cd $PKG
if [ -n "$LIBDIRSUFFIX" ]; then
  mv $PKG/usr/lib $PKG/usr/lib$LIBDIRSUFFIX
  sed -i "s,/lib/,/lib$LIBDIRSUFFIX/," $PKG/usr/bin/$PKGNAME
fi


# Fix man page directory and documentation directory paths
mv $PKG/usr/share/{man,doc} $PKG/usr
mv $PKG/usr/doc/$PKGNAME $PKG/usr/doc/$PKGNAME-$VERSION.$REVISION


# Reverse symlinks to ensure that license display on first start is not broken
if [ -f "$PKG/usr/doc/$PKGNAME-$VERSION.$REVISION/LICENSE" ]; then
  find $PKG/usr/share/$PKGNAME/{defaults,locale/en*} -name license.txt -type l -delete
  mv $PKG/usr/doc/$PKGNAME-$VERSION.$REVISION/LICENSE $PKG/usr/share/$PKGNAME/defaults/license.txt
  ( cd $PKG/usr/doc/$PKGNAME-$VERSION.$REVISION/ ; ln -s ../../share/$PKGNAME/defaults/license.txt LICENSE )
fi




# Also add the slack-desk file and this slackbuild to the package
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION.$REVISION/slack-desc
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION.$REVISION/$PKGNAME.SlackBuild



# Add doinst.sh to install
cat <<EOS >> $PKG/install/doinst.sh
# Update application menu cache, as Opera added new *.desktop files
if [ -x /usr/bin/update-desktop-database ]; then
  /usr/bin/update-desktop-database -q usr/share/applications
fi

# Update MIME associations cache, as Opera handles a number of MIME types
if [ -x /usr/bin/update-mime-database ]; then
  /usr/bin/update-mime-database usr/share/mime >/dev/null
fi

# Update application icons cache, as Opera provides new icons
touch -c usr/share/icons/hicolor
if [ -e usr/share/icons/hicolor/icon-theme.cache ]; then
  if [ -x /usr/bin/gtk-update-icon-cache ]; then
    /usr/bin/gtk-update-icon-cache -tq usr/share/icons/hicolor
  fi
fi
EOS


# Ensure package permissions are correct
chown -R root:root .
chmod -R u+w,go+r-w,a-s .


# Create Package
/sbin/makepkg -l y -c n -p $OUTPUT/$PKGNAME-$VERSION.$REVISION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}


# Cleanup if enabled
if [ "$CLEANUP" = "YES" ]; then
 rm -rf $PKG $TMP/$PKGNAME-$VERSION-$REVISION.$OARCH.linux
fi