#!/bin/bash

# Slackware build script for tetrinetx

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

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

# The _15 in VERSION is the Debian patchlevel. They're currently
# the only ones maintaining this at all.

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

PRGNAM=tetrinetx
VERSION=${VERSION:-1.13.16+qirc_1.40c_15}
BUILD=${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

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

SRCVER="$( echo $VERSION | cut -d_ -f1-2 | tr _ - )"
DEBVER="$( echo $VERSION | cut -d_ -f3 )"
DEBSRCVER="$( echo $VERSION | cut -d+ -f1 )"

# We get two possible filenames for the tarball depending on what
# exactly was used to download it.
TARBALL="$CWD/$PRGNAM-$SRCVER.tar.gz"
if [ ! -e "$TARBALL" ]; then
  TARBALL="$( echo "$TARBALL" | sed 's,+,%2B,g' )"
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$SRCVER
tar xvf $TARBALL
cd $PRGNAM-$SRCVER
tar xvf $CWD/${PRGNAM}_${DEBSRCVER}-${DEBVER}.debian.tar.xz
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 {} \+

# Incorporate all of Debian's changes. This includes IPv6 support,
# and putting the config files in /etc/$PRGNAM and log file in /var.
patch -p1 < debian/patches/debian-changes

# Debian's patch breaks IPv4 support, fix.
patch -p1 < $CWD/restore_ipv4.diff

if [ "${IPV4:-no}" = "yes" ]; then
  IPVER=4
else
  SLKCFLAGS+=" -DUSE_IPV6"
  IPVER=6
fi

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION

# Easier to just do this, than to munge the compile script into doing
# the right thing.
${CC:-gcc} $SLKCFLAGS -o $PRGNAM src/main.c -ladns
mkdir -p $PKG/usr/games $PKG/usr/man/man6 $PKG/etc/$PRGNAM $PKGDOC
install -s -m0755 $PRGNAM $PKG/usr/games
for i in bin/game*.{conf,secure,{p,}motd}; do
  cp -a $i $PKG/etc/$PRGNAM/$( basename $i ).new
done
cp -a bin/game.*.example $PKG/etc/$PRGNAM

# The Debian man page is useless, I wrote a better one.
gzip -9c < $CWD/$PRGNAM.6 > $PKG/usr/man/man6/$PRGNAM.6.gz

# Log rotation looks broken: it doesn't restart the daemon after
# rotating the log. tetrinetx doesn't allow a SIGHUP to reopen the
# log, meaning we'd have to call the rc script to restart it. And if
# we do, we kill any games in progress. There's nothing like apache's
# "graceful" restart. Leave it out, and let the user deal with it (or
# not; it would take a long time for the log to fill a modern drive).
#mkdir -p $PKG/etc/logrotate.d
#cp -a debian/logrotate $PKG/etc/logrotate.d/$PRGNAM

# Bare-bones init script written by SlackBuild author.
mkdir -p $PKG/etc/rc.d
install -m0755 -oroot -groot $CWD/rc.$PRGNAM $PKG/etc/rc.d/rc.$PRGNAM.new

# These dirs have to be writable by the user the daemon runs as.
dirs="$PKG/var/games/$PRGNAM $PKG/var/log/$PRGNAM $PKG/var/run/$PRGNAM"
mkdir -p $dirs
chown games:games $dirs

mkdir -p $PKGDOC
cp -a AUTHORS COPYING ChangeLog README* $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild

mkdir -p $PKG/install
sed "s,@IPVER@,$IPVER," < $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