#!/bin/sh
# $Id$
# Copyright (c) 2007 Eric Hameleers <alien@slackware.com>
#
#  Permission to use, copy, modify, and distribute this software for
#  any purpose with or without fee is hereby granted, provided that
#  the above copyright notice and this permission notice appear in all
#  copies.
#
#  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#  CONTRIBUTORS 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.
#
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:        Eric Hameleers <alien@slackware.com>
# For:       xdtv
# Descr:     a program to record and watch TV
# URL:       http://xawdecode.sourceforge.net/
# Needs:     
# Changelog:
# 2.4.0-1:   21/Feb/2007 by Eric Hameleers <alien@slackware.com>
#            * Initial build.
# 
# Run 'sh xdtv.SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# --- INIT ---
# Set initial variables:

PRGNAM=xdtv
VERSION=${VERSION:-2.4.0}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-1}

DOCS="AUTHORS COPYING INSTALL TODO ChangeLog lisez-moi \
      README* lircrc* xdtvrc.sample FAQfr-xdtv"

# Where do we look for sources?
CWD=`pwd`
SRCDIR=`dirname $0`
[ "${SRCDIR:0:1}" == "." ] && SRCDIR=${CWD}/${SRCDIR}

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Input URL: http://dl.sourceforge.net/xawdecode/xdtv-2.4.0.tar.gz
SOURCE[0]="$SRCDIR/${PRGNAM}-${VERSION}.tar.gz"
SRCURL[0]="http://dl.sourceforge.net/xawdecode/${PRGNAM}-${VERSION}.tar.gz"

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line $LINENO!" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Slackware 11 and up need other option (gcc > 3.3.x)
if [ `gcc -dumpversion | tr -d  '.' |cut -c 1-2` -gt 33 ]; then
  MOPT=tune
else
  MOPT=cpu
fi

case "$ARCH" in
  i386)      SLKCFLAGS="-O2 -march=i386 -m${MOPT}=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  i486)      SLKCFLAGS="-O2 -march=i486 -m${MOPT}=i686"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  s390)      SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  powerpc)   SLKCFLAGS="-O2"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
  x86_64)    SLKCFLAGS="-O2 -fPIC"
             SLKLDFLAGS="-L/usr/lib64"; LIBDIRSUFFIX="64"
             ;;
  athlon-xp) SLKCFLAGS="-march=athlon-xp -O3 -pipe -fomit-frame-pointer"
             SLKLDFLAGS=""; LIBDIRSUFFIX=""
             ;;
esac

if [ ! -d $TMP/tmp-$PRGNAM ]; then
  mkdir -p $TMP/tmp-$PRGNAM # location to build the source
elif [ "$P1" != "--oldbuild" ]; then
  # If the "--oldbuild" parameter is present, we keep
  #  the old build files and continue;
  # By default we remove the remnants of previous build and continue:
  rm -rf $TMP/tmp-$PRGNAM/*
fi

if [ ! -d $PKG ]; then
  mkdir -p $PKG  # place for the package to be built
else
  rm -rf $PKG/*  # We always erase old package's contents:
fi

if [ ! -d $OUTPUT ]; then
  mkdir -p $OUTPUT  # place for the package to be saved
fi


# --- SOURCE FILE AVAILABILITY ---

for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  if ! [ -f ${SOURCE[$i]} ]; then
    if ! [ "x${SRCURL[$i]}" == "x" ]; then
      # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
      [ -w "$SRCDIR" ] || SOURCE[$i]="$OUTPUT/`basename ${SOURCE[$i]}`"
      echo "Source '`basename ${SOURCE[$i]}`' not available yet..."
      echo "Will download file to `dirname $SOURCE[$i]`"
      wget -nv -O "${SOURCE[$i]}" "${SRCURL[$i]}" || true
      if [ $? -ne 0 ]; then
        echo "Downloading '`basename ${SOURCE[$i]}`' failed.. aborting the build."
        mv -f "${SOURCE[$i]}" "${SOURCE[$i]}".FAIL
        exit 1
      fi
    else
      echo "File '`basename ${SOURCE[$i]}`' not available.. aborting the build."
      exit 1
    fi
  fi
done

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
for (( i = 0; i < ${#SOURCE[*]}; i++ )) ; do
  if `file ${SOURCE[$i]} | grep -q ": bzip2"`; then
    tar -xjvf ${SOURCE[$i]}
  elif `file ${SOURCE[$i]} | grep -q ": gzip"`; then
    tar -xzvf ${SOURCE[$i]}
  fi
done
chown -R root:root *
chmod -R u+w,go+r-w,a-s *
 
cd ${PRGNAM}-${VERSION}


# --- BUILDING ---

echo Building ...

# Determine what X we're running (the modular X returns the prefix
# in the next command, while older versions stay silent):
XPREF=`pkg-config --variable=prefix x11` || true
[ "$XPREF" == "" ] && XPREF='/usr/X11R6'

# Also determine the KDE installation prefix, for the icons we want to install:
KDEPREF=`kde-config --prefix` || true

LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
            --localstatedir=/var \
            --sysconfdir=/etc \
            --enable-shared \
            --disable-static \
            --program-prefix="" \
            --program-suffix="" \
            $ARCH-slackware-linux \
            2>&1 | tee $OUTPUT/configure-${PRGNAM}.log
make 2>&1 | tee $OUTPUT/make-${PRGNAM}.log

#
# Install all the needed stuff to the package dir
#
# Use installwatch if available, to produce a logfile of the installation
# process that is more easily readable:
if `which installwatch  > /dev/null 2>&1`; then
  installwatch -o $OUTPUT/install-${PRGNAM}.log make DESTDIR=$PKG install
else
  make DESTDIR=$PKG install 2>&1 |tee $OUTPUT/install-${PRGNAM}.log
fi

# Desktop provisioning:
mkdir -m 755 -p $PKG/usr/share/pixmaps
cp -a $PKG/usr/share/xdtv/icons/xdtv.xpm $PKG/usr/share/pixmaps/
if [ "$KDEPREF" != "" ]; then
  mkdir -m 755 -p $PKG$KDEPREF/share/icons/hicolor/16x16/apps
  mkdir -m 755 -p $PKG$KDEPREF/share/icons/hicolor/32x32/apps
  mkdir -m 755 -p $PKG$KDEPREF/share/icons/hicolor/48x48/apps
  cp -a $PKG/usr/share/xdtv/icons/xdtv-16.png $PKG$KDEPREF/share/icons/hicolor/16x16/apps/xdtv.png
  cp -a $PKG/usr/share/xdtv/icons/xdtv-32.png $PKG$KDEPREF/share/icons/hicolor/32x32/apps/xdtv.png
  cp -a $PKG/usr/share/xdtv/icons/xdtv-48.png $PKG$KDEPREF/share/icons/hicolor/48x48/apps/xdtv.png
fi
mkdir -m 755 -p $PKG/usr/share/applications
install -m 644 slackware/xdtv.desktop $PKG/usr/share/applications/
install -m 644 slackware/xdtv_wizard.desktop $PKG/usr/share/applications/

# Prevent overwriting of existing conf files:
mv $PKG/etc/xdtv/xdtv_wizard-en-UTF8.conf{,.new}
mv $PKG/etc/xdtv/xdtv_wizard-en.conf{,.new}


# Add this to the doinst.sh
! [ -d $PKG/install ] && mkdir -p $PKG/install
cat <<EOINS >> $PKG/install/doinst.sh
# Handle the incoming configuration files:
config() {
  for infile in \$1; do
    NEW="\$infile"
    OLD="\`dirname \$NEW\`/\`basename \$NEW .new\`"
    # If there's no config file by that name, mv it over:
    if [ ! -r \$OLD ]; then
      mv \$NEW \$OLD
    elif [ "\`cat \$OLD | md5sum\`" = "\`cat \$NEW | md5sum\`" ]; then
      # toss the redundant copy
      rm \$NEW
    fi
    # Otherwise, we leave the .new copy for the admin to consider...
  done
}

config etc/xdtv/xdtv_wizard-en-UTF8.conf.new
config etc/xdtv/xdtv_wizard-en.conf.new

# Update desktop database and font directory
if [ -x usr/bin/update-desktop-database ]; then
  chroot . usr/bin/update-desktop-database -q \
    usr/share/applications 1>/dev/null 2>/dev/null
fi

chroot . $XPREF/bin/fc-cache
chroot . sh -c "cd $XPREF/lib/X11/fonts/misc; \
$XPREF/bin/mkfontdir; \
[ \"\$DISPLAY\" != \"\" ] && $XPREF/bin/xset fp rehash"

EOINS


# --- DOCUMENTATION ---

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*

# Compress the man page(s)
find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

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


# --- OWNERSHIP, RIGHTS ---

chmod -R o-w $PKG


# --- PACKAGE DESCRIPTION ---

mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
if [ -f $SRCDIR/doinst.sh ]; then
  cat $SRCDIR/doinst.sh >> $PKG/install/doinst.sh
fi
if [ -f $SRCDIR/slack-required ]; then
  cat $SRCDIR/slack-required > $PKG/install/slack-required
fi


# --- BUILDING ---

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.tgz.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.txt
if [ -f $PKG/install/slack-required ]; then
  cat $PKG/install/slack-required > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}.dep
fi


# --- CLEANUP ---

# Clean up the extra stuff:
if [ "$P1" = "--cleanup" ]; then
  rm -rf $TMP/tmp-$PRGNAM
  rm -rf $PKG
fi