#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# alpine.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter for ARMedslack.
#
# Copyright 2006, 2007, 2008  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.


# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Bundled apps, versions & build numbers:
#IMAPDBUILD=${IMAPDBUILD:-2}
IMAPDBUILD=$BUILD ## since these are related apps, if I rebuild one I'll always ship the rebuild of the other.

# To save on maintenance, and since we carry the same versions as x86 Slackware,
# let's pull the version numbers from the x86 trunk:
pushd $CWD
XSB=$CWD/$PKGNAM.SlackBuild
[ ! -x $XSB ] && { echo "ERROR: Cannot find x86 SlackBuild for ${PKGNAM}!" ; exit 1; }
for upstreamvar in \
  PINEPGP \
  ; do
  eval $( grep -E "^${upstreamvar}=" $XSB  )
  echo "Upstream variable: ${upstreamvar} version $( eval $( echo "echo \$${upstreamvar}" ) )"
done
popd

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
export PKG2=$TMP/package-imapd
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD
rm -rf $PKG2 ; mkdir -p $PKG2

# Determine the CFLAGS for the known architectures:
# -fPIC is required in order to build php with alpine's c-client:
case $ARCH in
   arm|aarch64) export SLKCFLAGS="$SLKCFLAGS -fPIC";;
   *)           export SLKCFLAGS="-O2" ;;
esac

################ Build ALPINE ################################################

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Apply patches:
zcat $CWD/alpine.manpage.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/maildir.patch.gz | patch -p1 --verbose || exit 1

# Configure:
CFLAGS="$SLKCFLAGS" \
./configure \
   --prefix=/usr \
   --mandir=/usr/man \
   --with-ssl-dir=/usr \
   --with-ssl-certs-dir=/etc/ssl/certs \
   --with-c-client-target=slx \
   --with-system-pinerc=/etc/pine.conf \
   --with-system-fixed-pinerc=/etc/pine.conf.fixed \
   --with-passfile=.alpine.passfile \
   --disable-debug \
   --with-debug-level=0 \
   --without-tcl \
   --program-prefix= \
   --program-suffix= \
   --build=${SLK_ARCH_BUILD} || failconfig

# Correct paths and programs in tech-notes.txt:
( cd doc/tech-notes
  sed -i "s,/usr/local/lib/pine.info,/usr/lib/pine.info,g" tech-notes.txt
  sed -i "s,/usr/local/lib,/etc,g" tech-notes.txt
  sed -i "s,/usr/local,/etc,g" tech-notes.txt
)

# Build:
# Since we build non-compliant to RFC3501 we have to answer 'y' half-way:
#echo y | make $NUMJOBS EXTRACFLAGS="-fPIC" SSLTYPE=unix.nopwd
#echo y | make $NUMJOBS EXTRACFLAGS="-fPIC" SSLTYPE=unix.nopwd || exit 1
#make -j1 SSLTYPE=unix.nopwd || failmake
echo "y" | make $NUMJOBS EXTRACFLAGS="" SSLTYPE=unix || \
echo "y" | make $NUMJOBS EXTRACFLAGS="" SSLTYPE=unix || \
echo "y" | make EXTRACFLAGS="" SSLTYPE=unix || exit 1

# Install into package:
mkdir -vpm755 $PKG/etc
make install SSLTYPE=unix.nopwd DESTDIR=$PKG || failinstall
#make install SSLTYPE=unix DESTDIR=$PKG || exit 1

# Add default config file:
./alpine/alpine -conf > $PKG/etc/pine.conf.new

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  LICENSE NOTICE README* VERSION \
  doc/tech-notes* doc/brochure.txt doc/mailcap.unx doc/mime.types \
  $PKG/usr/doc/${PKGNAM}-$VERSION

# Archive the alpine source so that we don't need to rebuild ALPINE
# when building n/php -- we need the c-client library for the php
# IMAP functions:
( mkdir -p $TMPBUILD/alpine-headers
  cd imap/c-client
  cp -Lfv c-client.a $TMPBUILD/alpine-headers
  cp -Lfv *.h $TMPBUILD/alpine-headers
  cd $TMPBUILD
  echo "Archiving ALPINE c-client headers for use with n/php build"
  mkdir -vpm755  $PORTCWD/sources
  tar -Ixz -cf $PORTCWD/sources/${ARCH}_alpine-headers.tar.xz alpine-headers )

################ Build PINEGPG ################################################

# Extract source:
cd $TMPBUILD
tar xvvf $CWD/pinepgp-$PINEPGP.tar.!(*sign|*asc|*sig)
cd pinepgp-$PINEPGP || exit 1

# Apply patches:
zcat $CWD/pinepgp-${PINEPGP}-makefile-sed-fix.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/pinepgp.pinegpgp.in.diff.gz | patch -p1 --verbose || exit 1
slackhousekeeping

# Configure:
./configure \
   --prefix=/usr || failconfig

# The Makefile has some old stuff that make-3.81 isn't compatible with:
make || failmake
make install DESTDIR=$PKG

# Copy docs:
mkdir -p $PKG/usr/doc/pinepgp-$PINEPGP
cp -a COPYING* README $PKG/usr/doc/pinepgp-$PINEPGP

# Package descriptions:
mkdir -vpm755 $PKG/install
install -vpm644 $CWD/doinst.sh.alpine  $PKG/install/doinst.sh
install -vpm644 $CWD/slack-desc.alpine $PKG/install/slack-desc

################ Package IMAPD & POP3d ################################################

cd $TMPBUILD/$PKGNAM-$VERSION/imap
mkdir -vpm755 $PKG2/usr/{sbin,man/man8,doc/imapd-$VERSION}

cp -fav \
  CONTENTS LICENSE* NOTICE SUPPORT* \
  $PKG2/usr/doc/imapd-$VERSION
cat << EOF > $PKG2/usr/doc/imapd-$VERSION/additional-imap-documentation
Additional documentation for imapd may be found in the alpine
sources in the /imap/docs directory.
EOF
install -vpm644 src/imapd/imapd.8 src/ipopd/ipopd.8 $PKG2/usr/man/man8/
install -vpm755 imapd/imapd $PKG2/usr/sbin/
install -vpm755 ipopd/ipop3d $PKG2/usr/sbin/

# Add slack-desc file:
mkdir -vpm755 $PKG2/install
install -vpm644 $CWD/slack-desc.imapd $PKG2/install/slack-desc

############## Begin packaging #######################################################

# Set policies for both packages:
for i in $PKG $PKG2 ; do
  cd $i
  # Slackware policies:
  slackgzpages -i # compress man & info pages and delete usr/info/dir
  slackslack      # set all files to root.root, chmod -R og-w, slackchown, slack644docs
done

# Build ALPINE package:
( cd $PKG  && slackmp )

# We don't build the imap package any longer.  Imapd is supplied by dovecot.
# Build IMAP package:
#( cd $PKG2
#  PKGNAM=imapd # so that slackmp wipes the old imapd package, not the alpine one we just built!
#  # and now override the package name to be imapd:
#  SLACKPACKAGE=imapd-$VERSION-$PKGARCH-$IMAPDBUILD.txz slackmp )