#!/bin/bash

# Slackware build script for serialmail

# Copyright 2017 Duncan Roe, Melbourne, Australia
# 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)

PRGNAM=serialmail
VERSION=${VERSION:-0.75}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    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}
CHROOT=$TMP/$PRGNAM
VERBOSE_ADDCHROOT=${VERBOSE_ADDCHROOT:-yes}
export VERBOSE_ADDCHROOT

# Get alias user and group for /usr/bin/maildirserial setuid.
# These are the user and group ids allocated by SBo
NOFILES_GROUP=${NOFILES_GROUP:-340}
ALIAS_USER=${ALIAS_USER:-339}

# If the user or group is already configured, use that id instead
grep -q ^nofiles: /etc/group &&
  NOFILES_GROUP=$(grep ^nofiles: /etc/group|cut -f3 -d:)
grep -q ^alias: /etc/passwd &&
  ALIAS_USER=$(grep ^alias: /etc/passwd|cut -f3 -d:)

set -e

rm -rf $PKG $CHROOT
mkdir -p $TMP $PKG $OUTPUT $CHROOT
cd $CHROOT
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 {} \;

for i in $CWD/*.patch
do
  cat $i|patch -p1
done

echo /usr > conf-home
make

# You have to do this next bit via chroot.
# Unlike with ucspi-tcp, it doesn't work to "echo $PKG/usr >conf-home":
# the pathnames in some of the scripts come out wrong

cd $CHROOT
mkchroot .

# need make
addchroot . make guile gc libffi libunistring

# Run the chroot commands
chroot . /bin/sh -c "cd /$PRGNAM-$VERSION; make setup check"

mkdir -p $PKG/usr/{bin,man/man1,doc}
for i in serialqmtp serialsmtp maildirqmtp maildirsmtp maildirserial setlock
do
  mv usr/bin/$i $PKG/usr/bin/
  mv usr/man/man1/$i.1 $PKG/usr/man/man1
done

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

chown $ALIAS_USER:$NOFILES_GROUP $PKG/usr/bin/maildirserial
chmod u+s $PKG/usr/bin/maildirserial

mv usr/doc/$PRGNAM $PKG/usr/doc/$PRGNAM-$VERSION
chmod g-s $PKG/usr/doc/$PRGNAM-$VERSION
cp $CWD/README.SBo $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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