#!/bin/bash

# Slackware build script for onscripter
# @(#)onscripter.SlackBuild	1.4 20/05/03 06:46:49

# Copyright 2020 GOSIKI Agiri
# 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.

PRGNAM=onscripter
VERSION=${VERSION:-20200419}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

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

CWD=$(pwd)
TMP=${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 $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$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 {} \;

# default state of variables
ONSTARGET=${ONSTARGET:-japanese}
ONSTOOLS=${ONSTOOLS:-no}
## tell the user what the config is or crash if no executable is producing
case $ONSTARGET in
  japanese) echo "I will build Japanese ONScripter only!";
            versiontag="Japanese games.";;
  english) echo "I will build English ONscripter only!";
           versiontag="English games.";;
  both) echo "I will build both English and Japanese ONScripter!";
        versiontag="English and Japanese games.";;
  *) echo "Please supply ONSTARGET={japanese,english,both} only!"; exit 1;;
esac
if [ $ONSTOOLS == "yes" ]; then
  echo "I will build ONScripter tools as well!"
fi

# apply the changes we need to make this build on a Slackware installation
# this means disable avifile support and fix linking to Lua libraly
patch -p0 < $CWD/onscripter-makefile_config.diff

# make Japanese binary and install it to /usr/games
if [ $ONSTARGET == "japanese" -o $ONSTARGET == "both" ]; then
  make -f Makefile.Linux clean
  make -f Makefile.Linux onscripter
  install -Dm755 onscripter $PKG/usr/games/onscripter
fi

# patch with 1-byte character support if necessary and build ONScripter once again
# install it as onscripter_english though
if [ $ONSTARGET == "english" -o $ONSTARGET == "both" ]; then
  sed -i Makefile.Linux -e 's/#DEFS += -DENABLE_1BYTE_CHAR/DEFS += -DENABLE_1BYTE_CHAR/'
  make -f Makefile.Linux clean
  make -f Makefile.Linux onscripter
  install -Dm755 onscripter $PKG/usr/games/onscripter_english
fi

if [ $ONSTOOLS == "yes" ]; then
  make -f Makefile.Linux # this will build the rest of the targets in all rule
  install -Dm755 {nsa,sar}dec {nsa,sar}conv $PKG/usr/games/
fi

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

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

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
# change versiontag
sed -i $PKG/install/slack-desc -e "s/%versiontag%/$versiontag/"

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