#!/bin/sh
# $Id$
# Copyright (c) 2008 Eric Hameleers <alien@slackware.com>
# All rights reserved.
#
#   Permission to use, copy, modify, and distribute this software for
#   any purpose with or without fee is hereby granted, provided that
#   the above copyright notice and this permission notice appear in all
#   copies.
#
#   THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 AUTHORS AND COPYRIGHT HOLDERS AND THEIR
#   CONTRIBUTORS 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.
# -----------------------------------------------------------------------------
#
# Slackware SlackBuild script 
# ===========================
# By:         Eric Hameleers <alien@slackware.com>
# For:        wicd
# Descr:      wired and wireless network manager
# URL:        http://wicd.net/
# Needs:      
# Changelog:  
# 1.5.0rc3-1: 29/jun/2008 by Eric Hameleers <alien@slackware.com>
#             * Initial build.
# r325-1:     03/jul/2008 by Eric Hameleers <alien@slackware.com>
#             * The SVN version has important fixes
# r362-1:     27/jul/2008 by Eric Hameleers <alien@slackware.com>
#             * Lots of fixes again in SVN
# 1.5.1-1:    06/aug/2008 by Eric Hameleers <alien@slackware.com>
#             * Stable release.
# 1.5.3-1:    29/sep/2008 by Eric Hameleers <alien@slackware.com>
#             * Skipped a release.
# 
# Run 'sh wicd.SlackBuild --cleanup' to build a Slackware package.
# The package (.tgz) plus descriptive .txt file are created in /tmp .
# Install using 'installpkg'. 
#
# -----------------------------------------------------------------------------

# Set initial variables:

PRGNAM=wicd
VERSION=${VERSION:-"1.5.3"}        # SVN snapshot or official release
BRANCH=${BRANCH:-"testing-1.5.0"} # SVN 'testing' branch is where it happens
ARCH=noarch
BUILD=${BUILD:-1}
TAG=${TAG:-alien}

DOCS="AUTHORS CHANGES INSTALL LICENSE README"

PYTHONREQ=$(python -V 2>&1 | cut -f 2 -d' ' | cut -f 1-2 -d.)

# Where do we look for sources?
SRCDIR=$(cd $(dirname $0); pwd)

# Place to build (TMP) package (PKG) and output (OUTPUT) the program:
TMP=${TMP:-/tmp/build}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# If SRCURL is empty, a SVN snapshot will be downloaded instead:
SRCURL="http://downloads.sourceforge.net/wicd/${PRGNAM}-${VERSION}.tar.gz"
#SRCURL=""
SOURCE="$SRCDIR/${PRGNAM}-${VERSION}.tar.gz"

# This function checks out sources from SVN/CVS and creates a tarball of them.
src_checkout() {
  # Param #1 : full path to where SOURCE tarball should be created.
  local SVNURL=http://wicd.svn.sourceforge.net/svnroot/wicd/${BRANCH}
  if [ "$(echo ${VERSION}|cut -c1)" == 'r' ]; then # revision instead of date
    REV=$(echo ${VERSION} | cut -c2-)
  elif [ "$VERSION" == "latest" -o "$VERSION" == "head" ]; then
    REV=$(svn info -r HEAD ${SVNURL} | grep "^Revision: " | cut -f2 -d' ')
    echo "##"
    echo "## Changing VERSION from '$VERSION'..."
    VERSION="r${REV}"
    echo "##   to '$VERSION' !"
    echo "##"
  else
    REV="{${VERSION}}"
  fi
  # Determine the tarball extension:
  PEXT=`echo "${1}" | sed -r -e 's/.*[^.].(tar.gz|tar.bz2|tgz).*/\1/'`
  if [ "$PEXT" == "${1}" ]; then   # we did not find a allowed extension
    echo "Archive can only have extension '.tar.gz' '.tar.bz2' or '.tgz'"
    exit 1
  else
    [ "$PEXT" = "tar.bz2" ] && TARCOMP="j" || TARCOMP="z"
  fi
  mkdir $PRGNAM-${VERSION} \
    && cd $PRGNAM-${VERSION} \
    && svn checkout --revision $REV ${SVNURL} . \
    && find . -type d -name '.svn' -depth | xargs rm -rf \
    && chown -R root:root . \
    && cd .. \
    && tar -${TARCOMP}cf ${1} $PRGNAM-${VERSION} \
    && rm -rf $PRGNAM-${VERSION}
}

##
## --- with a little luck, you won't have to edit below this point --- ##
##

# Exit the script on errors:
set -e
trap 'echo "$0 FAILED at line ${LINENO}" | tee $OUTPUT/error-${PRGNAM}.log' ERR
# Catch unitialized variables:
set -u
P1=${1:-1}

# Create working directories:
mkdir -p $OUTPUT          # place for the package to be saved
mkdir -p $TMP/tmp-$PRGNAM # location to build the source
mkdir -p $PKG             # place for the package to be built
rm -rf $PKG/*             # always erase old package's contents
rm -rf $TMP/tmp-$PRGNAM/* # remove the remnants of previous build

# Source file availability:
if ! [ -f ${SOURCE} ]; then
  echo "Source '$(basename ${SOURCE})' not available yet..."
  # Check if the $SRCDIR is writable at all - if not, download to $OUTPUT
  [ -w "$SRCDIR" ] || SOURCE="$OUTPUT/$(basename $SOURCE)"
  if ! [ "x${SRCURL}" == "x" ]; then
    echo "Will download file to $(dirname $SOURCE)"
    if ! $(wget -nv -T 20 -O "${SOURCE}" "${SRCURL}"); then
      echo "Downloading '$(basename ${SOURCE})' failed... aborting the build."
      mv -f "${SOURCE}" "${SOURCE}".FAIL
      exit 1
    fi
  else
    # Try if we have a SVN/CVS download routine for ${SOURCE}
    echo "Attempting checkout of sources to `dirname $SOURCE`"
    src_checkout "${SOURCE}"
  fi
  if [ ! -f "${SOURCE}" -o ! -s "${SOURCE}" ]; then
    echo "File '$(basename ${SOURCE})' not available... aborting the build."
    exit 1
  fi
fi

if [ "$P1" == "--download" ]; then
  echo "Download complete."
  exit 0
fi

# --- PACKAGE BUILDING ---

echo "++"
echo "|| $PRGNAM-$VERSION"
echo "++"

cd $TMP/tmp-$PRGNAM
echo "Extracting the source archive(s) for $PRGNAM..."
if $(file ${SOURCE} | grep -q ": bzip2"); then
  tar -xjvf ${SOURCE}
elif $(file ${SOURCE} | grep -q ": gzip"); then
  tar -xzvf ${SOURCE}
fi
cd ${PRGNAM}-${VERSION}
chown -R root:root .
chmod -R u+w,go+r-w,a-s .

echo Building ...
## Fix the version in the setup script in case we use a SVN snapshot:
#sed -i -e "/\/etc\/slackware-version/,/elif os.access/s#/usr/doc/wicd-%s.*#/usr/doc/$PRGNAM-$VERSION'#" setup.py
# Use our own Slackware rc script, overwriting what is in the source:
cat $SRCDIR/rc.wicd > init/slackware/rc.wicd
# Only needed to get updated translations:
#python setup.py get_translations 2>&1 | tee $OUTPUT/lang-${PRGNAM}.log

python setup.py configure 2>&1 | tee $OUTPUT/configure-${PRGNAM}.log
python setup.py install --root=$PKG 2>&1 | tee $OUTPUT/install-${PRGNAM}.log

# One man  page does not get installed:
mkdir -p $PKG/usr/man/man1
cat man/wicd-client.1 > $PKG/usr/man/man1/wicd-client.1

# Prevent user-modified scripts from being overwritten:
mv $PKG/etc/rc.d/rc.wicd $PKG/etc/rc.d/rc.wicd.new
mv $PKG/etc/dbus-1/system.d/wicd.conf $PKG/etc/dbus-1/system.d/wicd.conf.new

# Slackware used dhcpcd instead of dhclient:
cat <<EOF > $PKG/etc/wicd/manager-settings.conf.new
[Settings]
dhcp_client = 2
EOF

# Add this to the doinst.sh:
! [ -d $PKG/install ] && mkdir -p $PKG/install
cat <<EOINS >> $PKG/install/doinst.sh
# Handle the incoming configuration files:
config() {
  for infile in \$1; do
    NEW="\$infile"
    OLD="\`dirname \$NEW\`/\`basename \$NEW .new\`"
    # If there's no config file by that name, mv it over:
    if [ ! -r \$OLD ]; then
      mv \$NEW \$OLD
    elif [ "\`cat \$OLD | md5sum\`" = "\`cat \$NEW | md5sum\`" ]; then
      # toss the redundant copy
      rm \$NEW
    fi
    # Otherwise, we leave the .new copy for the admin to consider...
  done
}

config etc/wicd/manager-settings.conf.new
config etc/rc.d/rc.wicd.new
config etc/dbus-1/system.d/wicd.conf.new

# Update rc.local so that wicd will be started on boot:
if ! grep -q "rc.wicd" etc/rc.d/rc.local ; then
  cat <<-_EOM_ >> etc/rc.d/rc.local
	if [ -x /etc/rc.d/rc.wicd ]; then
	  # echo "Starting network manager:  /etc/rc.d/rc.wicd start"
	  /etc/rc.d/rc.wicd start
	fi
	_EOM_
fi

# Restart the D-Bus message bus:
if [ -x etc/rc.d/rc.messagebus ]; then
  chroot . /etc/rc.d/rc.messagebus reload
fi

# Update the desktop database:
if [ -x usr/bin/update-desktop-database ]; then
  chroot . /usr/bin/update-desktop-database /usr/share/applications > /dev/null 2>&1
fi

# Update the icon cache if one exists:
if [ -r usr/share/icons/hicolor/icon-theme.cache ]; then
  chroot . /usr/bin/gtk-update-icon-cache -t -f usr/share/icons/hicolor >/dev/null 2>&1
fi

PYTHON=\$(python -V 2>&1 | cut -f 2 -d' ' | cut -f 1-2 -d.)
if [ "\$PYTHON" != "$PYTHONREQ" ]; then
  echo ""
  echo "Your Python is version \$PYTHON but this package requires $PYTHONREQ"
  echo ""
fi

echo ""
echo "You need to kill the wicd client (tray icon),"
echo "then restart the wicd daemon (run '/etc/rc.d/rc.wicd restart')."
echo ""

EOINS

# Add documentation:
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCS $PKG/usr/doc/$PRGNAM-$VERSION || true
cp -a $SRCDIR/$(basename $0) $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
chown -R root:root $PKG/usr/doc/$PRGNAM-$VERSION
find $PKG/usr/doc -type f -exec chmod 644 {} \;

# Compress the man page(s):
if [ -d $PKG/usr/man ]; then
  find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;
  for i in $(find $PKG/usr/man -type l -name "*.?") ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done
fi

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

# Add a package description:
mkdir -p $PKG/install
cat $SRCDIR/slack-desc > $PKG/install/slack-desc
if [ -f $SRCDIR/doinst.sh ]; then
  cat $SRCDIR/doinst.sh >> $PKG/install/doinst.sh
fi

# Build the package:
cd $PKG
makepkg --linkadd y --chown n $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz 2>&1 | tee $OUTPUT/makepkg-${PRGNAM}.log
cd $OUTPUT
md5sum ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz > ${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.tgz.md5
cd -
cat $PKG/install/slack-desc | grep "^${PRGNAM}" > $OUTPUT/${PRGNAM}-${VERSION}-${ARCH}-${BUILD}${TAG}.txt

# Clean up the extra stuff:
if [ "$P1" = "--cleanup" ]; then
  rm -rf $TMP/tmp-$PRGNAM
  rm -rf $PKG
fi