#!/bin/bash

# Slackware build script for pulseaudio

# Copyright 2015  Christoph Willing  Brisbane, Australia
# Copyright 2016, 2018, 2020  Patrick J. Volkerding, Sebeka, MN, 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)

PKGNAM=pulseaudio
VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-2}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
    loongarch64) ARCH=loong64 ;;
       *) 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-$PKGNAM

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "loong64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf $PKGNAM-$VERSION
tar xvf $CWD/$PKGNAM-$VERSION.tar.xz || exit 1
cd $PKGNAM-$VERSION || exit 1
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 \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \+

zcat $CWD/030_posix-completion.diff.gz | patch -p0 --verbose || exit 1

# https://bugzilla.redhat.com/show_bug.cgi?id=1234710
zcat $CWD/0001-client-conf-Add-allow-autospawn-for-root.patch.gz | patch -p1 --verbose || exit 1
zcat $CWD/0002-allow-autospawn-for-root-default.diff.gz | patch -p1 --verbose || exit 1

# Do not log a warning every time root uses PulseAudio:
zcat $CWD/0003-no-root-warn.diff.gz | patch -p1 --verbose || exit 1

sed -i -e '/@PA_BINARY@/ imkdir -p \$HOME/.config/pulse' src/daemon/start-pulseaudio-x11.in
echo "X-MATE-Autostart-Phase=Initialization" >> src/daemon/pulseaudio.desktop.in

# If autospawn isn't working, start-pulseaudio-x11 should start it manually:
zcat $CWD/pulseaudio-autostart.patch.gz | patch -p1 --verbose || exit 1
# When built by meson, this patch also required to fix the above issue:
zcat $CWD/pulseaudio-autostart-meson.build.patch.gz | patch -p1 --verbose || exit 1

# Configure, build, and install:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir meson-build
cd meson-build
meson setup \
  --prefix=/usr \
  --libdir=lib${LIBDIRSUFFIX} \
  --libexecdir=/usr/libexec \
  --bindir=/usr/bin \
  --sbindir=/usr/sbin \
  --includedir=/usr/include \
  --datadir=/usr/share \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --buildtype=release \
  -Dorc=enabled \
  -Dgsettings=enabled \
  -Dhal-compat=false \
  -Dsystem_user="pulse" \
  -Dsystem_group="pulse" \
  -Daccess_group="audio" \
  -Dbashcompletiondir="/usr/share/bash-completion/completions" \
  .. || exit 1
  "${NINJA:=ninja}" $NUMJOBS || exit 1
  DESTDIR=$PKG $NINJA install || exit 1
cd ..

# Strip binaries:
find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Move dbus configs to system location:
mkdir -p $PKG/usr/share/dbus-1/system.d/
mv $PKG/etc/dbus-1/system.d/* $PKG/usr/share/dbus-1/system.d/
rmdir --parents $PKG/etc/dbus-1/system.d/

# Move config files to .new:
for f in $( find $PKG/etc/pulse/ -type f ) ; do mv $f $f.new ; done
mv $PKG/etc/xdg/autostart/pulseaudio.desktop $PKG/etc/xdg/autostart/pulseaudio.desktop.new

# Add an init script for system wide mode.  You shouldn't use this, but we'll
# still let you if you really want.
mkdir -p $PKG/etc/rc.d
cp $CWD/rc.pulseaudio $PKG/etc/rc.d/rc.pulseaudio.new
chmod 644 $PKG/etc/rc.d/rc.pulseaudio.new
chown root:root $PKG/etc/rc.d/rc.pulseaudio.new

# Compress and link manpages:
find $PKG/usr/man -type f -exec gzip -9 {} \+
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

# Install documentation:
mkdir -p $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  COPYING* *GPL LICENSE README* \
  $PKG/usr/doc/$PKGNAM-$VERSION

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

cd $PKG
/sbin/makepkg -l y -c n $TMP/$PKGNAM-$VERSION-$ARCH-$BUILD.txz