#!/bin/bash

# Slackware build script for ZoneMinder

# Copyright 2018 Gene Baxter <GenoBob@gmail.com>
# 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=ZoneMinder
VERSION=${VERSION:-1.32.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

CAMBOZOLA_VERSION=${CAMBOZOLA_VERSION:-0.936}  # Java streaming client
JSCALENDAR_VERSION=${JSCALENDAR_VERSION:-1.0} # Calendar plugin (use 1.0 here)
DOCOWN=${DOCOWN:-apache}
DOCGRP=${DOCGRP:-apache}
DOCROOT=${DOCROOT:-"/srv/httpd/htdocs/zm"}
CGIROOT=${CGIROOT:-"/srv/httpd/cgi-bin"}
CACHEDIR=${CACHEDIR:-"/var/cache/ZoneMinder"}
CONTENTDIR=${CONTENTDIR:-"/var/lib/ZoneMinder"}

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

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
  SLKFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

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
#git submodule update --init --recursive
tar xvf $CWD/cambozola-$CAMBOZOLA_VERSION.tar.gz
unzip $CWD/jscalendar-$JSCALENDAR_VERSION.zip
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 {} \;

# Fails to encode mp4 videos without this patch
patch -p0 < $CWD/fix_video_file_format.patch

# Applies upstream commits 4937a686 and 4da95369
patch -p0 < $CWD/fix_zone_area_calc.patch

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS -D__STDC_CONSTANT_MACROS" \
cd $TMP/$PRGNAM-$VERSION
cmake -DCMAKE_INSTALL_PREFIX=/usr \
	-DCMAKE_LIBRARY_PATH=/usr/lib${LIBDIRSUFFIX} \
	-DCMAKE_CACHEDIR=$CACHEDIR \
	-DZM_CACHEDIR=$CACHEDIR \
	-DZM_WEBDIR=$DOCROOT \
	-DZM_CGIDIR=$CGIROOT \
	-DZM_WEB_USER=$DOCOWN \
	-DZM_WEB_GROUP=$DOCGRP \
	-DZM_CONTENTDIR=$CONTENTDIR .

make
make install DESTDIR=$PKG INSTALLDIRS=vendor INSTALLVENDORMAN3DIR=/usr/man/man3

# Strip binaries
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

# Compress manpages
mkdir -p $PKG/usr/man/man3
mv $PKG/usr/share/man/man3/* $PKG/usr/man/man3/
mkdir -p $PKG/usr/man/man8
mv $PKG/usr/share/man/man8/* $PKG/usr/man/man8/
rm -rf $PKG/usr/share/man
find $PKG/usr/man -type f -exec gzip -9 {} \;

# Remove junk files and dirs
find $PKG -name perllocal.pod \
  -o -name ".packlist" \
  -o -name "*.bs" \
  -o -name ".editorconfig" \
  -o -name ".packlist" \
  -o -name ".git" \
  -o -name "empty" \
  | xargs rm -f || true

find $PKG/usr -depth -type d -empty -delete || true

mkdir -p $PKG/var/{log,lock/subsys}
mkdir -p $PKG/var/{log,lock/subsys}
install -d -o $DOCOWN -g $DOCGRP $PKG/var/log/zm
install -d -o $DOCOWN -g $DOCGRP $PKG/var/tmp/zm
install -d -o $DOCOWN -g $DOCGRP $PKG/var/run/zm
mkdir -p $PKG$CACHEDIR
install -d -o $DOCOWN -g $DOCGRP $PKG$CACHEDIR

for DIR in events images sound; do
  install -d -o $DOCOWN -g $DOCGRP $PKG/$CONTENTDIR/$DIR
done

# Install logrotate script
mkdir -p $PKG/etc/logrotate.d/
cat $CWD/zm_logrotate > $PKG/etc/logrotate.d/zm.new

# Install apache config
mkdir -p $PKG/etc/httpd/extra
cp $TMP/$PRGNAM-$VERSION/misc/apache.conf $PKG/etc/httpd/extra/zm.conf.new

# Do not clobber the config file
mv $PKG/etc/zm.conf $PKG/etc/zm.conf.new

# Install startup script
install -D -m 644 scripts/zm $PKG/etc/rc.d/rc.zm.new

# Install cambozola
install -m 644 cambozola-$CAMBOZOLA_VERSION/dist/cambozola.jar $PKG$DOCROOT

# Install jscalendar
mkdir -p $PKG$DOCROOT/tools/jscalendar
cp -Rp jscalendar-$JSCALENDAR_VERSION/* $PKG$DOCROOT/tools/jscalendar

mkdir -p $PKG/usr/share/$PRGNAM/db
cp -a db/zm_create.sql db/zm_update-*.sql $PKG/usr/share/$PRGNAM/db

# Fix permissions
mkdir -p $PKG/tmp
chmod 777 $PKG/tmp
chmod +t $PKG/tmp

# Copy documentation
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a AUTHORS ChangeLog INSTALL NEWS TODO $PKG/usr/doc/$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}