#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# dbus.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
#
# Copyright 2024  Patrick J. Volkerding, Sebeka, Minnesota, 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Extract source:
tar xf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || failextract
slackhousekeeping

# Apply patches:
cat $CWD/dbus-1.12.x-allow_root_globally.diff | patch -p1 --verbose || exit 1
# gentoo patch (https://bugs.gentoo.org/599494):
cat $CWD/dbus-1.15.8-enable-elogind.patch | patch -p1 --verbose || exit 1

# Configure:
# In the Slackware ARM build system, $TMP is set to an alternate
# directory than /tmp.  The build configuration embeds this into
# system locations, so we'll unset it since. It's also no longer needed
# at this point in the build process.
unset TMP

# Configure:
mkdir meson-build
pushd meson-build
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
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 \
   -Ddoxygen_docs=disabled \
   -Dapparmor=disabled \
   -Dselinux=disabled \
   -Dinotify=enabled \
   -Duser_session=true \
   -Dx11_autolaunch=enabled \
   -Dsystemd=disabled \
   -Dsystem_pid_file=/var/run/dbus/dbus.pid \
   -Dsystem_socket=/var/run/dbus/system_bus_socket \
   -Delogind=enabled \
   .. || failconfig

# Build:
"${NINJA:=ninja}" $NUMJOBS || ${NINJA} || failmake

# Install into package:
DESTDIR=$PKG $NINJA install || failinstall
popd

# Sanity check:
grep -Fr "/root/tmp" $PKG && { echo "ERROR: Contains temporary build path" ; exit 1 ;}

# This directory is on a tmpfs - don't package it:
rm -rf $PKG/run

# Install a custom init script for dbus - the included one is bad
mkdir -vpm755 $PKG/etc/rc.d
zcat $CWD/rc.messagebus.gz > $PKG/etc/rc.d/rc.messagebus.new
chmod 755 $PKG/etc/rc.d/rc.messagebus.new

# Create the local override directory since no other package will include it
# now that config files have been moved to the system location under /usr:
mkdir -vpm755 $PKG/etc/dbus-1/system.d

# Add documentation
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -a \
  AUTHORS* COPYING* HACKING* INSTALL* NEWS* README* doc/*.{txt,html,dtd} \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# The installed docs directory can't be configured with meson:
if [ -d $PKG/usr/share/doc/dbus ]; then
  mv $PKG/usr/share/doc/dbus/* $PKG/usr/doc/${PKGNAM}-$VERSION
  rmdir $PKG/usr/share/doc/dbus $PKG/usr/share/doc
fi

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs

# We need particular permissions here:
chown root:messagebus $PKG/usr/libexec/dbus-daemon-launch-helper
chmod 4750 $PKG/usr/libexec/dbus-daemon-launch-helper

# Fix some directory ownership
chown messagebus:root $PKG/var/lib/dbus

slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links