#!/bin/bash

# Slackware build script for Dwarf Fortress

# Copyright 2021 David Ferrone RI, USA
# 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=dwarffortress
VERSION=${VERSION:-0.50.11}
SRCNAM=df_50_11_linux
SRCDIR=df_linux
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

if [ "$ARCH" = "i586" ]; then
  BITFLAG="32"
elif [ "$ARCH" = "x86_64" ]; then
  BITFLAG=""
else
  BITFLAG=""
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT

cd $PKG
mkdir opt opt/$PRGNAM
cd opt/$PRGNAM

tar pxvf $CWD/$SRCNAM$BITFLAG.tar.bz2
chown -R root:root .
chmod -R 755 .

# Strip binaries and libraries -
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 $PKG/usr/doc $PKG/usr/bin
mkdir -p $PKG/usr/share $PKG/usr/share/pixmaps $PKG/usr/share/applications
cat $CWD/dwarffortress.desktop > $PKG/usr/share/applications/dwarffortress.desktop
cat $CWD/dwarffortress.png > $PKG/usr/share/pixmaps/dwarffortress.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a command\ line.txt  file\ changes.txt readme.txt  \
   release\ notes.txt $PKG/usr/doc/$PRGNAM-$VERSION
chmod 644 $PKG/usr/doc/$PRGNAM-$VERSION/*

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

cat $CWD/dwarffortress > $PKG/usr/bin/dwarffortress
chmod 755 $PKG/usr/bin/dwarffortress

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