#!/bin/bash

# Slackware build script for cyrus-imapd

# Copyright 2010, 2011, 2014, 2016, 2017  Mario Preksavec, Zagreb, Croatia
# 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.

PRGNAM=cyrus-imapd
VERSION=${VERSION:-3.2.4}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

bailout() {
  printf "\nYou must have a \"cyrus\" user and group to run this script.\n"
  printf "Something like this will create them:\n"
  printf "\t# groupadd -g 238 cyrus\n\t# useradd -d /var/imap -s /bin/sh -u 238 -g 238 cyrus\n\n"
  exit 1
}
getent group cyrus >/dev/null || bailout
getent passwd cyrus >/dev/null || bailout

# Build with mysql database by default, sqlite/mysql/postgresql are supported
DATABASE=${DATABASE:-mysql}
case "$DATABASE" in
       pgsql) DATABASE="--with-pgsql --with-mysql-incdir=/usr/include/pgsql" ;;
       mysql) DATABASE="--with-mysql --with-mysql-incdir=/usr/include/mysql" ;;
      sqlite) DATABASE="--with-sqlite" ;;
           *) DATABASE="" ;;
esac

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz
cd $PRGNAM-$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 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --with-service-path=/usr/libexec/cyrus \
  --with-sasl \
  --with-libwrap \
  --with-openssl \
  --with-perl \
  --with-cyrus-user=cyrus \
  --with-cyrus-group=cyrus \
  --enable-autocreate \
  --enable-idled \
  $DATABASE \
  --build=$ARCH-slackware-linux

make PERL_MM_OPT='INSTALLDIRS=vendor'
make install DESTDIR=$PKG

# Move man pages where they belong
mv $PKG/usr/share/man $PKG/usr/

# Perl might have some other stuff as well
[ -d $PKG/usr/share/perl5/Cyrus ] \
&& mv $PKG/usr/share/perl5/Cyrus/* $PKG/usr/lib$LIBDIRSUFFIX/perl5/Cyrus/

# Cruft removal
rm -rf $PKG/usr/share

# Copy init script
install -D -m0755 -oroot -groot $CWD/rc.cyrus-imapd $PKG/etc/rc.d/rc.cyrus-imapd.new

# Install sample configuration
install -D -m0640 -ocyrus -gcyrus doc/examples/cyrus_conf/normal.conf \
  $PKG/etc/cyrus.conf.new
install -D -m0640 -ocyrus -gcyrus $CWD/imapd.conf $PKG/etc/imapd.conf.new

find $PKG | xargs 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 $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  COPYING README.md doc/* tools/ \
  $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE

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:-tgz}