#!/bin/bash

# Copyright 2008, 2009, 2010, 2018  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.

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

PKGNAM=procmail
VERSION=3.22
BUILD=${BUILD:-6}

# Automatically determine the architecture we're building on:
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) export ARCH=i586 ;;
    arm*) export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
       *) export ARCH=$( 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 "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

TMP=${TMP:-/tmp}
PKG=$TMP/package-procmail
rm -rf $PKG
mkdir -p $TMP $PKG

# Explode the package framework:
cd $PKG
explodepkg $CWD/_procmail.tar.gz

cd $TMP
rm -rf procmail-$VERSION
tar xvf $CWD/procmail-$VERSION.tar.gz || exit 1
cd procmail-$VERSION || exit 1
zcat $CWD/procmail_3.22-5.diff.gz | patch -p1 --verbose || exit 1
zcat $CWD/procmail.lfs.diff.gz | patch -p1 --verbose || 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 {} \+

sed -i "s/getline/procmail_getline/g" src/fields.c src/formail.c src/formisc.c src/formisc.h

make || exit 1

cd src
cat formail > $PKG/usr/bin/formail
cat lockfile > $PKG/usr/bin/lockfile
cat mailstat > $PKG/usr/bin/mailstat
cat procmail > $PKG/usr/bin/procmail

cd ../man
for file in formail.1 lockfile.1 procmail.1 ; do
  gzip -9c $file > $PKG/usr/man/man1/$file.gz
done
for file in procmailex.5 procmailrc.5 procmailsc.5 ; do
  gzip -9c $file > $PKG/usr/man/man5/$file.gz
done
cd ..

mkdir -p $PKG/usr/doc/procmail-$VERSION
cp -a \
  Artistic COPYING* FAQ FEATURES HISTORY INSTALL KNOWN_BUGS \
  README* examples \
  $PKG/usr/doc/procmail-$VERSION

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

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

# Build the package:
cd $PKG
/sbin/makepkg -l y -c n $TMP/procmail-$VERSION-$ARCH-$BUILD.txz