#!/bin/sh
# Heavily based on the Slackware 12.2 SlackBuild
# Author: Gufo	gufo<at>people<dot>it - http://gufo.dontexist.org
# License Gplv2
# Some suggestion taken from http://slackbuilds.org/
# Patch for kernel 2.6.23 added by Zapotech - No more needed for kernel 2.6.27.7-Slackware 12.2 
 
APP=moblock
VERSION=0.8
BUILD=${BUILD:-5gufo}

ARCH=${ARCH:-i486}

CWD=$(pwd)
if [ "${TMP}" = "" ]; then
      TMP=/tmp
fi

if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mtune=i686"
 elif [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
 elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
fi

PKG=${TMP}/${APP}-${VERSION}-build

# Delete the leftover directories if they exist (due to a previous build)
# and (re)create the packaging directory
rm -rf ${PKG} ${TMP}/MoBlock-${VERSION}
mkdir -p ${TMP} ${PKG} || exit 1

cd ${TMP} || exit 1

tar jxvf "$CWD"/MoBlock-${VERSION}-i586.tar.bz2 || exit 1

cd MoBlock-${VERSION} || exit 1

# Change ownership and permissions if necessary
# This may not be needed in some source tarballs, but it never hurts
chown -R root.root .
chmod -R u+w,go+r-w,a-s .

# This patch is needed for MoBlock to be used on kernel 2.6.23, in order to avoid MoBlock breaks down... 
# ...after the error message "NFNETLINK answers: Invalid argument".
# This patch has no influence in moblock running on kernel versions < 2.6.23. Source: http://pastebin.archlinux.org/16670
# echo -e "\n Apply the patch-2.6.23..."
# patch -p0 < $CWD/patch-2.6.23

CFLAGS="$SLKCFLAGS" make || exit 1

mkdir -p ${PKG}/usr/bin || exit 1
make install DESTDIR=${PKG} || exit 1

mkdir -p ${PKG}/install || exit 1
cp "$CWD"/slack-desc ${PKG}/install

# Documentation
mkdir -p ${PKG}/usr/doc/${APP}-${VERSION} || exit 1
cat $CWD/${APP}.SlackBuild > ${PKG}/usr/doc/${APP}-${VERSION}/${APP}.SlackBuild
# Copy documentation to the docs directory and fix permissions
cp -a *.sh README Changelog COPYING ${PKG}/usr/doc/${APP}-${VERSION}
find ${PKG}/usr/doc/${APP}-${VERSION} -type f -exec chmod 644 {} \;

#mkdir -p $PKG/usr/bin
#cp -a MoBlock-ipq.sh MoBlock-nfq.sh $PKG/usr/bin/

mkdir -p $PKG/etc/moblock
if [ -e $CWD/guarding.p2p.gz ]; then
  zcat $CWD/guarding.p2p.gz > ${PKG}/etc/moblock/guarding.p2p.new
fi

# Add doinst.sh to package (if it exists)
if [ -e $CWD/doinst.sh.gz ]; then
  zcat $CWD/doinst.sh.gz > ${PKG}/install/doinst.sh
fi

if [ -e $CWD/rc.${APP}.gz ]; then
  mkdir ${PKG}/etc/rc.d/
  zcat $CWD/rc.${APP}.gz > ${PKG}/etc/rc.d/rc.${APP}.new
fi

if [ -e $CWD/logrotate.gz ]; then
  mkdir ${PKG}/etc/logrotate.d/
  zcat $CWD/logrotate.gz > ${PKG}/etc/logrotate.d/${APP}.new
fi

if [ -e $CWD/cron.daily.gz ]; then
  mkdir ${PKG}/etc/cron.daily
  zcat $CWD/cron.daily.gz > ${PKG}/etc/cron.daily/${APP}.new
fi

# Strip some libraries and binaries
( cd ${PKG}
   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
)

# Compress man pages if they exist
if [ -d ${PKG}/usr/man ]; then
  ( cd ${PKG}/usr/man
  find . -type f -exec gzip -9 {} \;
  for i in `find . -type l` ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
  ) 
fi

# Compress info pages if they exist (and remove the dir file)
if [ -d ${PKG}/usr/info ]; then
  gzip -9 ${PKG}/usr/info/*.info
  rm -f ${PKG}/usr/info/dir
fi

cd ${PKG}
requiredbuilder -v -y -s $CWD ${PKG}
/sbin/makepkg -l y -c n ${TMP}/${APP}-${VERSION}-$ARCH-$BUILD.tgz
cp ${TMP}/${APP}-${VERSION}-$ARCH-$BUILD.tgz "$CWD"

rm -r ${PKG} ${TMP}/MoBlock-${VERSION}