#!/bin/sh

# Copyright 2008, 2009, 2010  Patrick J. Volkerding, Sebeka, MN, 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.


VERSION=${VERSION:-$(echo dnsmasq-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

NUMJOBS=${NUMJOBS:-" -j7 "}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i486 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp}
PKG=$TMP/package-dnsmasq

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf dnsmasq-$VERSION
tar xvf $CWD/dnsmasq-$VERSION.tar.?*z || exit 1
cd dnsmasq-$VERSION || exit 1
chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

zcat $CWD/dnsmasq.leasedir.diff.gz | patch -p1 --verbose --backup --suffix=.orig || exit 1

# Default CFLAGS are "-W -Wall -O2" - that's good enough.
make $NUMJOBS all-i18n PREFIX=/usr MANDIR=/usr/man || exit 1
make install-i18n PREFIX=/usr DESTDIR=$PKG MANDIR=/usr/man || exit 1
chmod 0755 $PKG/usr/sbin/dnsmasq

mkdir -p $PKG/etc/dnsmasq.d

if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mkdir -p $PKG/var/state/dnsmasq

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

mkdir -p $PKG/etc
cat dnsmasq.conf.example > $PKG/etc/dnsmasq.conf.new
mkdir -p $PKG/etc/rc.d
zcat $CWD/rc.dnsmasq.gz > $PKG/etc/rc.d/rc.dnsmasq.new

mkdir -p $PKG/usr/doc/dnsmasq-$VERSION
cp -a \
  COPYING FAQ doc.html setup.html \
  $PKG/usr/doc/dnsmasq-$VERSION

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r CHANGELOG ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat CHANGELOG | head -n 1000 > $DOCSDIR/CHANGELOG
  touch -r CHANGELOG $DOCSDIR/CHANGELOG
fi

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $TMP/dnsmasq-$VERSION-$ARCH-$BUILD.txz