#!/bin/bash

# Slackware build script for open-adventure

# Written by B. Watson (urchlay@slackware.uk)

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

# 20240229 bkw: BUILD=2, naughty upstream changed the tarball after release.
# 20240211 bkw: update for v1.18.
# 20230906 bkw: update for v1.16.
# 20230107 bkw: Update for v1.11.
# 20211024 bkw: BUILD=2, new-style icons, HTML docs.
# 20201024 bkw: Update for v1.9.
# 20191211 bkw: Update for v1.8.
# 20181203 bkw: Update for v1.6.

# 20180114 bkw:
# - Update for v1.4.
# - Include upstream's icon and .desktop.
# - New dependencies in .info file :(

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

PRGNAM=open-adventure
VERSION=${VERSION:-1.18}
BUILD=${BUILD:-2}
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

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

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

# Actual name of the program:
EXE=advent

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION-*

# Download URL uses content disposition to set the filename, so we have to
# handle both possibilities here. I know how to avoid this with github
# downloads, but not gitlab. Also, notice the * in the 2nd filename
# (and in the 'cd' below): I'm *not* hard-coding the full git hash here.
tar xvf $CWD/archive.tar.bz2\?ref=$VERSION ||
tar xvf $CWD/$PRGNAM-$VERSION*.tar.bz2

cd $PRGNAM-$VERSION*
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# As of v1.9, upstream carelessly checked a prebuilt binary into the repo.
# Or maybe it was on purpose? Anyway don't use.
make clean

# It'd be nice if I could pass my own CFLAGS without editing the Makefile...
sed -i "s,-O2,$SLKCFLAGS," Makefile

# 20240210 bkw: fix a typo in the man page.
sed -i 's,emdianness,endianness,' $EXE.adoc

# 20201024 bkw: Parallel make causes ./make_dungeon.py to run
# twice. This doesn't seem to hurt anything, but I can see how it
# might someday. So -j1.
make -j1
make $EXE.6
make html notes.html

# no 'make install' target:
mkdir -p $PKG/usr/games $PKG/usr/man/man6
install -s -m0755 $EXE $PKG/usr/games/$EXE
gzip -9c < $EXE.6 > $PKG/usr/man/man6/$EXE.6.gz

# principle of least surprise:
ln -s $EXE.6.gz $PKG/usr/man/man6/$PRGNAM.6.gz
ln -s $EXE $PKG/usr/games/$PRGNAM

mkdir -p $PKG/usr/share/applications $PKG/usr/share/pixmaps
sed 's,Exec=,&/usr/games/,' $EXE.desktop > $PKG/usr/share/applications/$EXE.desktop

# The icon doesn't look that great when scaled down; shrug.
# 20230906 bkw: use rsvg-convert rather than ImageMagick's convert,
# for more reproducible builds (IM uses inkscape if installed, or rsvg
# if not). Also avoids inkscape writing to /root/.config/...
for px in 16 32 48 64 128; do
  size=${px}x${px}
  dir=$PKG/usr/share/icons/hicolor/$size/apps
  mkdir -p $dir
  rsvg-convert --output=$dir/$EXE.png --width=$px --height=$px $EXE.svg
done

ln -s ../icons/hicolor/48x48/apps/$EXE.png $PKG/usr/share/pixmaps/$EXE.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION/html
rm -f INSTALL*
cp -a COPYING *.adoc $PKG/usr/doc/$PRGNAM-$VERSION
cp -a *.html $PKG/usr/doc/$PRGNAM-$VERSION/html
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