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

# lxc.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for Slackware ARM.
#
# Copyright 2011  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)
#tar xvvf $PORTCWD/sources/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM*/ || failextract
slackhousekeeping

# Configure:
mkdir meson-build
pushd meson-build
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
meson setup \
   --prefix=/usr \
   --libdir=lib${LIBDIRSUFFIX} \
   --libexecdir=/usr/libexec \
   --bindir=/usr/bin \
   --sbindir=/usr/sbin \
   --includedir=/usr/include \
   --datadir=/usr/share \
   --mandir=/usr/man \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --buildtype=release \
   -Ddoc-path=/usr/doc/$PKGNAM-$VERSION \
   -Dglobal-config-path=/etc/lxc \
   -Drootfs-mount-path=/var/lib/rootfs-lxc \
   -Dapparmor=false \
   -Dpam-cgroup=true \
   -Dinit-script=sysvinit \
   .. || failconfig

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

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

# The PAM module gets installed in the wrong location and there's no config
# option to put it in the right place, so we'll do it ourselves:
mkdir -p $PKG/lib${LIBDIRSUFFIX}
mv -fv $PKG/usr/lib${LIBDIRSUFFIX}/security $PKG/lib${LIBDIRSUFFIX}

# Add the template file:
install -vpm755 $CWD/lxc-slackware.in $PKG/usr/share/lxc/templates/lxc-slackware

# Make the default configuration directories and an empty rootfs folder:
mkdir -vpm755 $PKG/var/lib/lxc $PKG/etc/lxc $PKG/var/lib/rootfs-lxc $PKG/var/lib/misc

# Create a sample default configuration file:
echo "lxcpath = /var/lib/lxc" > $PKG/etc/lxc/lxc.conf.sample

# Move the other config files to .new:
mv -fv $PKG/etc/lxc/default.conf $PKG/etc/lxc/default.conf.new
mv -fv $PKG/etc/default/lxc $PKG/etc/default/lxc.new

# Install an init script (non executable by default):
install -D -m 0644 $CWD/rc.lxc $PKG/etc/rc.d/rc.lxc.new

# Remove init scripts that we do not use:
rm -r $PKG/etc/init.d

# --disable-static
rm -f $PKG/usr/lib${LIBDIRSUFFIX}/lib*.a

# Fix up man pages to stop 'man' from barfing a warning:
( cd $PKG/usr/man
  grep -F -lr -- '-*- coding: us-ascii -*-' . | xargs sed -i '/-*- coding: us-ascii -*-/d' )

# Put bash completion file in system directory:
mkdir -p $PKG/usr/share/bash-completion/completions
mv -fv $PKG/etc/bash_completion.d/* $PKG/usr/share/bash-completion/completions
rm -r $PKG/etc/bash_completion.d

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION/examples
cp -fav \
   AUTHORS* CODING_STYLE* CONTRIBUTING* COPYING* LICENSE* MAINTAINERS* README* \
   doc/FAQ.txt \
   $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a doc/examples/*.conf $PKG/usr/doc/${PKGNAM}-$VERSION/examples
changelogliposuction ChangeLog $PKGNAM $VERSION # Trim down a "ChangeLog" file

# Remove empty documentation files:
find $PKG/usr/doc/${PKGNAM}-${VERSION} -size 0 -exec rm "{}" \;

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

# Replace version number with a _ so it doesn't get confused with
# the package name.
export VERSION="$( echo $VERSION | sed 's?-?_?g' )"
export SLACKPACKAGE=$PKGNAM-$VERSION-$ARCH-$BUILD.txz
slackmp         # run makepkg -l y -c n

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