#!/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.


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

VERSION=0.8.15
DIRCD=0.8.15
BUILD=${BUILD:-1}

# 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

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

rm -rf $PKG
mkdir -p $TMP $PKG
cd $TMP
rm -rf irssi-$VERSION
tar xvf $CWD/irssi-$VERSION.tar.bz2 || exit 1
cd irssi-$DIRCD

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 -o -perm 2777 -o -perm 2775 \) \
  -exec chmod 755 {} \; -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;

# Fix an error in the manual page:
zcat $CWD/irssi.manpage_fix.diff.gz | patch -p1 --verbose || exit 1

# Fix an SSL proxy bug in 0.8.15:
zcat $CWD/irssi.ssl_proxy.diff.gz | patch -p1 --verbose || exit 1

CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --docdir=/usr/doc/irssi-$VERSION \
  --enable-ipv6 \
  --with-textui \
  --with-proxy \
  --with-perl-lib=vendor \
  --build=$ARCH-slackware-linux

make \
  docdir=/usr/doc/irssi-$VERSION \
  $NUMJOBS || make || exit 1
make install \
  docdir=/usr/doc/irssi-$VERSION \
  DESTDIR=$PKG || exit 1

# This removes our DESTDIR from the packlist filenames, to keep perl's
# internal inventories consistent and correct.
find $PKG -name .packlist | while read plist ; do
  sed -e "s%$PKG%%g" \
      -e "s%/share/man%/man%g" \
      -re "s%\.([1-9]n?|3pm)$%&.gz%g   # extend man filenames for .gz" \
      ${plist} > ${plist}.new
      mv -f ${plist}.new ${plist}
done

mv $PKG/etc/irssi.conf $PKG/etc/irssi.conf.new

find $PKG -name perllocal.pod | xargs rm -f
eval $(perl '-V:archlib') ; rmdir -p $PKG/$archlib

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

# Compress and if needed symlink the man pages:
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

cp -a \
  AUTHORS COPYING INSTALL NEWS README TODO \
  $PKG/usr/doc/irssi-$VERSION
( cd $PKG/usr/doc/irssi-$VERSION ; ln -sf /usr/share/irssi/help . )

# 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 $TMP/irssi-$VERSION-$ARCH-$BUILD.txz
