#!/bin/bash
# packager           : Fred. Galusik <fredg> (fred~AT~zenwalk.fr)
# source location    : 
# last revised       : 

softname=''
softversion=''
packageversion=''

arch='i486'
cpu='i686'

prefix=/usr

# log ;)
(

# parameters needed for the build process
buildir=$(pwd)
srcpkg="$buildir/$softname-$softversion.tar.gz"
src="$buildir/$softname-$softversion"
package="$softname-$softversion-$arch-$packageversion"
dest="$buildir/$package"

# prepare the build result directory
dest="$buildir/$package"
rm -rf $dest
mkdir -p $dest
mkdir -p $dest/install
mkdir -p $dest/usr/doc/$softname-$softversion
mkdir -p $dest/usr/src/$softname-$softversion

# Slack-desc
cat <<EOF > $dest/install/slack-desc
         |-----handy-ruler------------------------------------------------------|
$softname: 
$softname: 
$softname:  
$softname:  
$softname: 
$softname: 
$softname: 
$softname: 
$softname: 
$softname:
$softname: 
EOF

# extract the source code
cd $buildir
tar xvf $srcpkg
cd $src

# build

    export CFLAGS="-O2 -march=$arch -mtune=$cpu"
    export CXXFLAGS="-O2 -march=$arch -mtune=$cpu"

    ./configure \
      --prefix=$prefix \
      --enable-static=no \
      --program-prefix="" \
      --program-suffix="" \

    make
    make install DESTDIR=$dest

# add 'default' files
    cp -a \
      AUTHORS COPYING INSTALL README ChangeLog \
      $dest/usr/doc/$softname-$softversion
      
# Compress Man Pages
( cd $dest/$prefix/man
  find . -name "*.?" | xargs gzip -9
)

# Strip
( cd $dest
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# .desktop file
cat << "EOF" > $dest/usr/share/applications/$softname.desktop 
[Desktop Entry]
Encoding=UTF-8
Name=
Name[fr]=
Comment=
Comment[fr]=
Exec=
Icon=
Terminal=false
Type=Application
Categories=Application;System;
StartupNotify=true
EOF

# Make the package freedesktop compliant
cp $buildir/$softname-$softversion/pixmaps/$softname.png $dest/usr/share/icons/hicolor/48x48/apps/$softname.png

# ZenBuild
cp $buildir/build-$softname.sh $dest/$prefix/src/$softname-$softversion

# set target permissions
chown -R root:root $dest

cd $dest
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;

# real packaging work
cd $dest
makepkg -l y -c n $dest.tgz

# md5sum signature
cd $buildir
md5sum $package.tgz > $package.md5

# log ;)
) 2>&1 | tee "$softname-$softversion-build.log"