#!/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*/ || exit 1
slackhousekeeping

# Our python package is not split:
#sed -i "s|PKG_CHECK_MODULES(\[PYTHONDEV.*||" configure.ac || exit 1

# Enable python stuff only if python3 is installed.
python=""
# Python bindings don't seem to be part of the standard package at this time,
# so we'll comment this next line out for now:
#[ -x /usr/bin/python3 ] && export PYTHON=/usr/bin/python3 && python="--enable-python"

# Configure:
# lua is autodetected
[ ! -r configure ] && ./autogen.sh
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --sysconfdir=/etc \
   --libdir=/usr/lib${LIBDIRSUFFIX} \
   --mandir=/usr/man \
   --docdir=/usr/doc/$PKGNAM-$VERSION \
   --infodir=/usr/info \
   --localstatedir=/var \
   --with-global-conf=/etc/lxc/lxc.conf \
   --with-rootfs-path=/var/lib/rootfs-lxc \
   --disable-werror \
   --disable-apparmor \
   --disable-static \
   $python \
   --enable-pam \
   --build=${SLK_ARCH_BUILD} || failconfig
#   --build=arm-linux-gnueabi || failconfig

# Build and install:
make $NUMJOBS || make || exit 1

# Install into package framework:
make install DESTDIR=$PKG || failinstall

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

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

# Make the default configuration directories and an empty rootfs folder:
mkdir -p $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

# 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
cp -fav \
   AUTHORS* CONTRIBUTING* COPYING* INSTALL* MAINTAINERS* NEWS* README* TODO* \
   doc/FAQ.txt \
   $PKG/usr/doc/${PKGNAM}-$VERSION
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION/examples
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