#!/bin/bash

# Slackware build script for spamassassin

# Copyright 2008-2015 LukenShiro, Italy
# All rights reserved.
#
# Maintained by Gerardo Zamudio <gerardo.zamudio@linux.com>
# 
# 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.

# Thanks to Nishant Limbachia for providing a SQL script to be used with
# spamassassin database, and most of spamassassin dependencies' scripts.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=spamassassin
VERSION=${VERSION:-3.4.6}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SRC_PRGNAM=Mail-SpamAssassin
DOCFILES="Changes CREDITS INSTALL LICENSE NOTICE PACKAGING procmailrc.example \
README sample-nonspam.txt sample-spam.txt TRADEMARK UPGRADE USAGE sql/"

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

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRC_PRGNAM-$VERSION
tar xvf $CWD/$SRC_PRGNAM-$VERSION.tar.bz2
cd $SRC_PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

PERL_MM_USE_DEFAULT=1 \
perl Makefile.PL \
  PREFIX=/usr \
  INSTALLDIRS=vendor \
  INSTALLVENDORMAN1DIR=/usr/man/man1 \
  INSTALLVENDORMAN3DIR=/usr/man/man3

make CFLAGS="$SLKCFLAGS" CXXFLAGS="$SLKCFLAGS"
make install DESTDIR=$PKG

find $PKG -name perllocal.pod -o -name ".packlist" -o -name "*.bs" | xargs rm -f || true

# Remove empty directories
find $PKG -depth -type d -empty -delete || true

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find . -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

# Preserve config files
( cd $PKG/etc/mail/spamassassin
  mv init.pre init.pre.new
  mv local.cf local.cf.new
  mv v310.pre v310.pre.new
  mv v312.pre v312.pre.new
  mv v320.pre v320.pre.new
  mv v330.pre v330.pre.new
  mv v340.pre v340.pre.new
)

# Copy init script to /etc/rc.d and modify it for name consistency
mkdir -p $PKG/etc/rc.d/
install -m 0755 spamd/slackware-rc-script.sh $PKG/etc/rc.d/rc.spamd.new
sed -i "s#SNAME=rc.spamassassin#SNAME=rc.spamd#g" $PKG/etc/rc.d/rc.spamd.new

# Create file for enabling rc.spamd's start
cat > $PKG/etc/spamassassin.conf.new << EOF
ENABLED=1
EOF

# Copy cron script
mkdir -p $PKG/etc/cron.weekly/
install -m 0755 $CWD/sa-update.sh $PKG/etc/cron.weekly/

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCFILES $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/spamassassin-db.sql > $PKG/usr/doc/$PRGNAM-$VERSION/spamassassin-db.sql
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
