#!/bin/bash

# Slackware build script for jamulus

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

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

# Possible TODOs:
# - write a man page
# - have slack-desc show whether or not SERVERONLY=yes

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

PRGNAM=jamulus
VERSION=${VERSION:-3.4.3}
BUILD=${BUILD:-1}

TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

# I hate capitalized package names, so:
SRCNAM=Jamulus

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

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
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

# Check this before doing anything else.
if [ "${SERVERONLY:-no}" = "yes" ]; then
  EXTRACONF="CONFIG+=nosound"
elif ! pkg-config --exists jack; then
  cat <<EOF

***********************************************************************
$0: jack not found.

If you want $PRGNAM to be able to make sound, you must install
jack before running this script.

If you want to build a dedicated server, you don't have to install
jack. Instead, export SERVERONLY=yes in the environment. See SERVER.txt
for details.
***********************************************************************

EOF
  sleep 5
  exit 1
fi


rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM$VERSION
chown -R root:root .

# permissions are gross, nonstandard find needed here:
find -L .  -type d -a -exec chmod 755 {} \+ -o \
           -type f -a \! -perm 644 -a -exec chmod 644 {} \+

# jamulus can be built with either qt4 or qt5. Let's stick with
# qt4 until Slackware starts shipping qt5... for paranoia's sake,
# remove all references to qt5 and/or qt3 from the environment.
unset QTDIR
unset QT5DIR
PATH=/bin:/sbin:/usr/bin:/usr/sbin
source /etc/profile.d/qt4.sh
QTDIR=$QT4DIR
export QTDIR QT5DIR

qmake "CONFIG+=noupcasename" $EXTRACONF \
  QMAKE_CFLAGS="$SLKCFLAGS" QMAKE_CXXFLAGS="$SLKCFLAGS" \
  $SRCNAM.pro
make clean
make

# No 'make install' target, so:
mkdir -p $PKG/usr/bin $PKG/usr/share/applications $PKG/usr/share/pixmaps
install -s -m0755 $PRGNAM $PKG/usr/bin/
install -m0644 src/res/$PRGNAM.desktop $PKG/usr/share/applications/

# The png icons provided are tiny, but the OSX icon is big enough
# to actually see, so I extracted the 256x256 version & include
# it with the build.
cat $CWD/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png

# NEWS is a 0-byte placeholder in 3.4.3.
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS COPYING ChangeLog $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

# Include our own (hopefully) helpful hints for servers.
cat $CWD/SERVER.txt > $PKG/usr/doc/$PRGNAM-$VERSION/SERVER.txt

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

# Only add capability stuff if not disabled:
if [ "${SERVERONLY:-no}" != "yes" ]; then
  if [ "${SETCAP:-yes}" = "yes" ]; then
    cat $CWD/setcap.sh >> $PKG/install/doinst.sh
    # Only allow execution by audio group
    chown root:audio $PKG/usr/bin/$PRGNAM
    chmod 0750 $PKG/usr/bin/$PRGNAM
  fi
fi

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