#!/bin/sh
# Heavily based on the Slackware 13.1 SlackBuild
# http://picasa.google.com/
# http://www.slacky.eu
# Thanks to  Robby Workman, Northport, Alabama, USA
#
# 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.
#
#
# Exit on most errors
set -e

# Set variables:
CWD=`pwd`
OUTPUT=${OUTPUT:-$CWD}
PKGNAME=picasa
TMP=${TMP:-/tmp/txz/$PKGNAME}
PKG=$TMP/package
VERSION=${VERSION:-3.0.5744}
BUILD=${BUILD:-1}
TAG=${TAG:-sl}


# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i386 ;;
    arm*) ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) ARCH=$( uname -m ) ;;
  esac
fi



if [ "$ARCH" = "x86_64" ]; then
  SRCARCH=amd64
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "i386" ]; then
  ARCH=i386
  SRCARCH=i386
  LIBDIRSUFFIX=""
else
  printf "\n\n$ARCH is not supported...\n"
  exit 1
fi



# Download sorce tarball if still not present
SOURCE="http://dl.google.com/linux/deb/pool/non-free/p/picasa/picasa_3.0-current_$SRCARCH.deb"

if [ ! -e $CWD/picasa_3.0-current_$SRCARCH.deb ]; then
 wget $SOURCE
fi


rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

# Building Picasa Package
cd $PKG
ar -x $CWD/picasa_3.0-current_${SRCARCH}.deb
tar xvf data.tar.gz
rm data.tar.gz control.tar.gz debian-binary
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

# Create symlinks in /usr/bin to picasa and picasafontcfg
mkdir -p $PKG/usr/bin
cd $PKG/usr/bin
  ln -fs /opt/google/picasa/3.0/bin/picasa .
  ln -s /opt/google/picasa/3.0/bin/picasafontcfg .
cd -

# Install icons
mkdir -p $PKG/usr/share/pixmaps
install -m 0644 \
  $PKG/opt/google/picasa/3.0/desktop/picasa.xpm \
  $PKG/opt/google/picasa/3.0/desktop/picasa-fontcfg.xpm \
  $PKG/usr/share/pixmaps

# Install desktop files for menu entries
mkdir -p $PKG/usr/share/applications
sed -e 's|EXEC|picasa|' -e 's|ICON|picasa.xpm|' \
  $PKG/opt/google/picasa/3.0/desktop/picasa.desktop.template \
  > $PKG/usr/share/applications/google-picasa.desktop
sed -e s'|EXEC|picasafontcfg|' -e s'|ICON|picasa-fontcfg.xpm|' \
  $PKG/opt/google/picasa/3.0/desktop/picasa-fontcfg.desktop.template \
  > $PKG/usr/share/applications/google-picasa-fontcfg.desktop
for i in $PKG/usr/share/applications/*.desktop ; do
  echo "Categories=Graphics;Photography;Photograph;Viewer;2DGraphics;" \
    >> $i ;
done

# Install mime information
mkdir -p $PKG/usr/share/mime/packages
echo 'application/x-picasa-detect; false; description=Picasa Installation detection' \
  > $PKG/usr/share/mime/packages/picasa

# Relocate docs to appropriate place
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/{scripts,SlackBuild}
mv $PKG/opt/google/picasa/3.0/{LICENSE.FOSS,README} \
  $PKG/usr/doc/$PKGNAME-$VERSION
# Add some unsupported stuff (feel free to play, but unless you figure out
# how to integrate them correctly for *everyone*, leave us alone) :)  
# --rworkman
for i in \
  picasa-hook-email.sh.template picasa-hook-filemanager.sh.template \
  picasa-hook-mimehandler.sh.template picasa-hook-urlhandler.sh.template ;
do \
  ln -s /opt/google/picasa/3.0/desktop/$i \
    $PKG/usr/doc/$PKGNAME-$VERSION/scripts/$i ; 
done

# Kill some stuff we don't need/want
rm -rf $PKG/usr/lib/{xulrunner-addons,mozilla-firefox,iceweasel,firefox}
rm -rf $PKG/usr/share/gconf
if [ "$ARCH" = "x86_64" ]; then
  mv $PKG/usr/lib $PKG/usr/lib${LIBDIRSUFFIX}
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/doinst.sh > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-desc
cat $CWD/$PKGNAME.SlackBuild > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$PKGNAME.SlackBuild



# Find and print dependencies into slack-required file
cd $PKG
chown -R root:root $PKG
if [ -x /usr/bin/requiredbuilder ];then
requiredbuilder -y -v -s  $CWD $PKG
fi
# Create txz package
/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}


# Cleanup if enabled
if [ "$1" = "--cleanup" ]; then
 rm -rf $TMP
fi