#!/bin/bash

# Slackware build script for odamex

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

PRGNAM=odamex
VERSION=${VERSION:-0.5.6}
BUILD=${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 $PRGNAM-src-$VERSION
tar xvf $CWD/$PRGNAM-src-$VERSION.tar.bz2
cd $PRGNAM-src-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

sed -i "s/-g -Wall -O2/$SLKCFLAGS/" Makefile

# N.B. we want the game to look in /usr/share/games/doom for wad files,
# to match the already-existing zdoom and prboom slackbuilds. Makefile
# adds the /doom part to RESDIR itself. The patch adds this dir to the
# default wad search path (otherwise we have to always run the game with
# the -waddir option).

patch -p1 < $CWD/waddir.diff

make INSTALLDIR=/usr/games RESDIR=/usr/share/games
make install INSTALLDIR=$PKG/usr/games RESDIR=$PKG/usr/share/games
strip $PKG/usr/games/*

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/tech

# The distributed docs are DOS CRLF text files, and they're executable. Ugh.
for doc in CHANGELOG LICENSE MAINTAINERS README TODO odasrv.cfg; do
  sed 's/\r//' < $doc > $PKG/usr/doc/$PRGNAM-$VERSION/$doc
done
mv $PKG/usr/doc/$PRGNAM-$VERSION/odasrv.cfg $PKG/usr/doc/$PRGNAM-$VERSION/odasrv.cfg.sample
install -m0644 doc/tech/* $PKG/usr/doc/$PRGNAM-$VERSION/tech

# Man page created for this slackbuild
mkdir -p $PKG/usr/man/man6
gzip -9c < $CWD/$PRGNAM.6 > $PKG/usr/man/man6/$PRGNAM.6.gz

# Desktop stuff
mkdir -p $PKG/usr/share/{applications,pixmaps}
for exe in $PRGNAM odasrv odalaunch; do
  sed -e '/^Encoding/d' -e 's,/usr/share/doom,/usr/share/games/doom,' \
    < installer/arch/$exe.desktop \
    > $PKG/usr/share/applications/$exe.desktop
  cat media/icon_${exe}_512.png > $PKG/usr/share/pixmaps/$exe.png
done

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $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}