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

# elogind.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2016, 2017, 2020  Eric Hameleers, Eindhoven, NL
# Copyright 2020  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 xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Our nobody user has UIDNumber 99, not 65534:
sed -e "s/65534/99/g" -i $(grep -lr 65534 .)

# Launch elogind when called via DBus and make sure its rundir exists
# (in Slackware, /run is mounted as a tmpfs):
sed -i src/login/org.freedesktop.login1.service.in \
    -e "s,/bin/false,/lib${LIBDIRSUFFIX}/elogind,"

# Merge a pull request for an upstream fix:
zcat $CWD/elogind-polkit.patch.gz | patch -p1 --verbose || exit 1

# Configure:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir meson-build
pushd meson-build
meson setup \
   --buildtype release \
   --prefix /usr \
   --libdir /usr/lib${LIBDIRSUFFIX} \
   -Drootlibdir="/lib${LIBDIRSUFFIX}" \
   -Drootlibexecdir="/lib${LIBDIRSUFFIX}/elogind" \
   -Dudevrulesdir="/lib/udev/rules.d" \
   -Ddocdir="/usr/doc/$PKGNAM-$VERSION" \
   -Dhtmldir="/usr/doc/$PKGNAM-$VERSION/html" \
   -Dmandir="/usr/man" \
   -Dman=true \
   -Dhtml=false \
   -Dbashcompletiondir="/usr/share/bash-completion/completions" \
   -Dnobody-group=nogroup \
   -Dpam=true \
   -Dpamlibdir="/lib${LIBDIRSUFFIX}/security" \
   -Dpamconfdir="/etc/pam.d" \
   -Dacl=true \
   -Dsmack=false \
   -Dutmp=true \
   -Ddefault-hierarchy=legacy \
   -Dcgroup-controller=elogind \
   -Dhalt-path=/sbin/halt \
   -Dpoweroff-path=/sbin/poweroff \
   -Dreboot-path=/sbin/reboot \
   -Ddefault-kill-user-processes=false \
   .. || failconfig

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

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

# Create symlinks for elogind binaries to /usr/bin/:
mkdir -p $PKG/usr/bin
pushd $PKG/usr/bin
ln -vsf ../../bin/elogind-inhibit .
ln -vsf ../../bin/loginctl .
popd

# Make sure we do not overwrite the user's customizations:
mv -i $PKG/etc/elogind/logind.conf{,.new}

# Create supported dirs in /etc/elogind/ (local config)
mkdir -vpm755 $PKG/etc/elogind/logind.conf.d/ $PKG/etc/elogind/sleep.conf.d/

# Add login1 policy file that allows users in the 'power' group
# to shutdown/reboot the computer:
mkdir -vpm755 $PKG/usr/share/polkit-1/rules.d
zcat $CWD/10-enable-elogind-power.rules.gz > \
  $PKG/usr/share/polkit-1/rules.d/10-enable-session-power.rules

# We don't need the hidden files to make inferior package managers keep dirs:
find $PKG -type f -name ".keep_dir" -exec rm -f {} \;

# Add an rc script:
mkdir -vpm755 $PKG/etc/rc.d
cat $CWD/rc.elogind \
  | sed -e "s/@LIBDIRSUFFIX@/${LIBDIRSUFFIX}/g" \
  > $PKG/etc/rc.d/rc.elogind.new
chmod 755 $PKG/etc/rc.d/rc.elogind.new

# Add documentation:
mkdir -vpm755 $PKG/usr/doc/$PKGNAM-$VERSION
cp -fav \
  AUTHORS* ChangeLog CHANGES COPYING* LICENSE* NEWS* README* THANKS* TODO* \
  $PKG/usr/doc/$PKGNAM-$VERSION
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file
changelogliposuction CHANGES $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall        # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i      # compress man & info pages and delete usr/info/dir
slackslack           # set standard Slackware file/dir permissions and ownerships
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