#!/bin/sh

# Slackware build script for wargus

# Written by B. Watson (yalhcru@gmail.com)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

PRGNAM=wargus
VERSION=${VERSION:-2.3.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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 ${PRGNAM}_${VERSION}.orig
tar xvf $CWD/${PRGNAM}_${VERSION}.orig.tar.gz
cd ${PRGNAM}_${VERSION}.orig
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 {} \;

# 20150511 bkw: upstream hardcodes a particular soundfont but
# doesn't ship it. We'll use the one from fluid-soundfont.
sed -i \
  's,music/TimGM6mb.sf2,/usr/share/sounds/sf2/FluidR3_GM.sf2,' \
  scripts/stratagus.lua

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install/strip DESTDIR=$PKG
cd ..

mkdir -p $PKG/usr/man/man6
for i in doc/*.6; do
  gzip -9c < $i > $PKG/usr/man/man6/$( basename $i ).gz
done

# attempt to extract the game data files
CONTAINS="does not contain"
REDIST="This binary package may be redistributed."
if [ -n "$GAMEDATA" ]; then
  WARTOOL=$PKG/usr/bin/wartool \
    sh $CWD/extract-warcraft2 \
      "$GAMEDATA" \
      $PKG/usr/share/games/stratagus/$PRGNAM
  if [ "$?" = "0" ]; then
    CONTAINS=contains
    REDIST="DO NOT REDISTRIBUTE this binary package."
  fi
fi

# include the extractor script in the package, either way
install -m0755 -oroot -groot $CWD/extract-warcraft2 $PKG/usr/bin

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $CWD/README_Slackware.txt COPYING* README doc/changelog doc/*txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
sed -e "s,@CONTAINS@,$CONTAINS," -e "s,@REDIST@,$REDIST," $CWD/slack-desc \
  > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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