#!/bin/bash

# Slackware build script for syncthing

# Copyright 2015 Lionel Young, United States
# Copyright 2016 Sebastian Arcus, United Kingdom
# 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=syncthing
VERSION=${VERSION:-2.0.15}
BUILD=${BUILD:-1}
TAG=${TAG:-_danix}
PKGTYPE=${PKGTYPE:-txz}

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

if [ "$ARCH" = "i586" ] || [ "$ARCH" = "i686" ]; then
	FARCH=386
elif [ "$ARCH" = "x86_64" ]; then
	FARCH=amd64
else
	echo "$ARCH architecture is not supported."
	exit 1
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}

set -e

# Check if the syncthing user and group exist. If not, then bail.
if [ "$(id -g syncthing 2> /dev/null)" != "307" -o "$(id -u syncthing 2> /dev/null)" != "307" ]; then
  echo "  You must have an 'syncthing' user and group to run this script."
  echo "    # groupadd -g 307 syncthing"
  echo "    # useradd -d /var/lib/syncthing -g syncthing -s /bin/bash -u 307 syncthing"
  exit 1
fi

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

# Install syncthing
mkdir -p $PKG/usr/bin
install -Dm755 syncthing $PKG/usr/bin/syncthing

# Install rc script
mkdir -p $PKG/etc/rc.d
cat $CWD/rc.syncthing > $PKG/etc/rc.d/rc.syncthing.new
chmod 0644 $PKG/etc/rc.d/rc.syncthing.new

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

mkdir -p -m 750 $PKG/var/lib/syncthing/config
mkdir -p -m 750 $PKG/var/log/syncthing
mkdir -p -m 750 $PKG/var/run/syncthing
chown -R syncthing:syncthing $PKG/var/{lib,run,log}/syncthing

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a *.txt $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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