#!/bin/sh
# $Id$
# Copyright (c) 2005-2008 Eric Hameleers <alien@slackware.com>
# All rights reserved.
#
#   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:       abuse_sdl
# Descr:     side-scroller game
# URL:       http://abuse.zoy.org/
# Needs:     
# Changelog:
# 0.7.0-1:   24/May/2005 by Eric Hameleers
#            * Initial build.
# 0.7.0-2:   25/May/2005 by Eric Hameleers
#            * Remove hard-coded references in the source to '/usr/local'
# 0.7.0-3:   06/Nov/2007 by Eric Hameleers <alien@slackware.com>
#            * Updated SlackBuild & Slackware 12.0 package.
# 0.7.1-1:   06/Mar/2008 by Eric Hameleers <alien@slackware.com>
#            * New release, new maintainer, new URLs.
# 0.7.1-2:   06/Mar/2008 by Eric Hameleers <alien@slackware.com>
#            * Fix the .desktop file
# 
# Run 'sh abuse_sdl.SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# Set initial variables:

PRGNAM=abuse_sdl
VERSION=${VERSION:-0.7.1}
ARCH=${ARCH:-i486}
BUILD=${BUILD:-2}

DOCS="AUTHORS COPYING ChangeLog INSTALL NEWS README TODO gamma.lsp"

# 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}

# This URL is no longer active so grab the tarballs from the FreeBSD repo:
# New maintainer, new URL:
SOURCE[0]="$SRCDIR/${PRGNAM}-${VERSION}.tar.gz"
#SRCURL[0]="http://www.labyrinth.net.au/~trandor/abuse/files/${PRGNAM}-${VERSION}.tar.gz"
#SRCURL[0]="ftp://ftp.freebsd.org/pub/FreeBSD/ports/distfiles/${PRGNAM}-${VERSION}.tar.bz2"
SRCURL[0]="http://abuse.zoy.org/attachment/wiki/Downloads/abuse-${VERSION}.tar.gz?format=raw"
SOURCE[1]="$SRCDIR/abuse_datafiles.tar.gz"
#SRCURL[1]="http://www.labyrinth.net.au/~trandor/abuse/files/abuse_datafiles.tar.gz"
#SRCURL[1]="ftp://ftp.freebsd.org/pub/FreeBSD/ports/distfiles/abuse_datafiles.tar.gz"
SRCURL[1]="http://abuse.zoy.org/attachment/wiki/Downloads/abuse-data-2.00.tar.gz?format=raw"

##
## --- 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

# Create working directories:
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build
mkdir -p $PKG     # place for the package to be built
rm -rf $PKG/*     # We always erase old package's contents:
mkdir -p $OUTPUT  # place for the package to be saved

# 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 -T 30 -O "${SOURCE[$i]}" "${SRCURL[$i]}" || true
      if [ $? -ne 0 -o ! -s "${SOURCE[$i]}" ]; then
        echo "Downloading '$(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..."
if $(file ${SOURCE[0]} | grep -q ": bzip2"); then
  tar -xjvf ${SOURCE[0]}
elif $(file ${SOURCE[0]} | grep -q ": gzip"); then
  tar -xzvf ${SOURCE[0]}
fi
mv abuse-${VERSION} ${PRGNAM}-${VERSION}
cd ${PRGNAM}-${VERSION}
# Use a proper location for the data files:
patch -p0 < $SRCDIR/${PRGNAM}_datadir.patch
sed -i -e 's#/var#/usr/share#g' README
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

echo Building ...
LDFLAGS="$SLKLDFLAGS" \
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure --prefix=/usr \
            --libdir=/usr/lib${LIBDIRSUFFIX} \
            --localstatedir=/var \
            --sysconfdir=/etc \
            --mandir=/usr/man \
            --program-prefix="" \
            --program-suffix="" \
            --build=$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

# Add a .desktop file:
mkdir -p $PKG/usr/share/applications
cp $SRCDIR/${PRGNAM}.desktop $PKG/usr/share/applications/

# Copy in the game's datafiles:
mkdir -p $PKG/usr/share/games/abuse
tar -C $PKG/usr/share/games/abuse/ -zxvf ${SOURCE[1]}
chown -R root:root $PKG/usr/share/games/abuse/

# Update the desktop database:
mkdir -p $PKG/install
cat <<EOT > $PKG/install/doinst.sh
# Update the desktop database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database /usr/share/applications > /dev/null 2>&1
fi
EOT

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
mv $PKG/usr/share/games/abuse/README.datafiles \
  $PKG/usr/doc/$PRGNAM-$VERSION || true
chmod -R a-w $PKG/usr/doc/$PRGNAM-$VERSION/*

# Compress the man page(s):
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

# 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 -

# Add a 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

# 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

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