#!/bin/bash

# Slackware build script for iptv-analyzer

# Copyright 2013, 2015, 2016, 2017  Mario Preksavec, Zagreb, Croatia
# 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=iptv-analyzer
VERSION=${VERSION:-0.9.4}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

SRCNAM=IPTV-Analyzer
KERNEL=${KERNEL:-$( uname -r )}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

patch -p1 <$CWD/patches/e5d7c0b90cfe3218d67b56e122140456206f6a65.patch
patch -p1 <$CWD/patches/kernel-4.4.diff
patch -p1 <$CWD/patches/Makefile.am.diff
patch -p1 <$CWD/patches/Makefile.in.diff

./autogen.sh

mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/xtables

env -u ARCH \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --datarootdir=/usr \
  --with-xtlibdir=$PKG/usr/lib${LIBDIRSUFFIX}/xtables \
  --with-kbuild=/lib/modules/$KERNEL/build \
  --build=$ARCH-slackware-linux

env -u ARCH make
env -u ARCH make install DESTDIR=$PKG \
             INSTALLDIRS=vendor \
             INST_ETC=$PKG/etc/$PRGNAM \
             INSTALL_MOD_PATH=$PKG

# Module installer was too leaky
mkdir -p $PKG/lib/modules/$KERNEL/extra
cp -a iptables-module/{compat_xtables,xt_mpeg2ts}.ko \
  $PKG/lib/modules/$KERNEL/extra

# Manpages are a bit stubborn
mv $PKG/usr/share/man $PKG/usr

# Fonts are elsewhere
sed -i 's#usr/share/fonts/truetype/freefont#usr/share/fonts/TTF#' \
  webfrontend/www/{graphs.inc.php,staging/pie01.php}

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true

# Remove empty directories
find $PKG -depth -type d -empty -delete || true

# Remove git cruft
find $PKG -type f -name .gitignore -delete

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a COPYING ChangeLog INSTALL README.wiki TODO database doc/* \
  collector/bin/generate-test-snmptrap.pl webfrontend $PKG/usr/doc/$PRGNAM-$VERSION
cp -a snmp/mibs $PKG/usr/doc/$PRGNAM-$VERSION/snmp-mibs
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
sed -e "s:@@KERNEL@@:$KERNEL:" $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-${VERSION}_${KERNEL//-/_}-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}