#!/bin/bash

# Slackware build script for x2goserver

# Copyright 2015-2018 Elvio "HelLViS69" Basello <hellvis69@gmail.com>
# Copyright 2019 Marcus Moeller <mmoeller@faircomputer.ch>
# 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)

# x2goserver-20201227_08aa5e6.tar.xz
# x2goserver-20230525_a166907.tar.xz
PRGNAM=x2goserver
#VERSION=${VERSION:-20230525_a166907}
#VERSION=${VERSION:-20220808_1a6c81b}
VERSION=${VERSION:-20201227_08aa5e6}
#VERSION=${VERSION:-4.1.0.6}

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}

if [ "$ARCH" = "i586" ]; then
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  LIBDIRSUFFIX="64"
else
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z
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 {} \;

# man2html hangs on some occasions and, BTW, html docs are not even installed
sed -i "s|^MAN2HTML_BIN.*|MAN2HTML_BIN  = |" */Makefile

make PREFIX=/usr LIBDIR=/usr/lib${LIBDIRSUFFIX}/x2go SHAREDIR=/usr/share/x2go
make install PREFIX=/usr LIBDIR=/usr/lib${LIBDIRSUFFIX}/x2go SHAREDIR=/usr/share/x2go DESTDIR=$PKG

# Move man pages in the proper place and compress them
mv $PKG/usr/share/man $PKG/usr
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

# .desktop files must not be executable
chmod 0644 $PKG/usr/share/applications/*.desktop

# xpm image corrupted in the original distribution
cp $CWD/x2goagent.xpm $PKG/usr/share/pixmaps/x2goagent.xpm
chmod 0644 $PKG/usr/share/pixmaps/x2goagent.xpm

# Perl build leftovers. .packlist in particular has $PKG baked into every
# path it lists. The X2Go perl modules are arch independent and get installed
# in /usr/share/perl5/vendor_perl, so /usr/lib${LIBDIRSUFFIX}/perl5 is empty
# once .packlist is gone and can be dropped as well.
find $PKG \( -name perllocal.pod -o -name '.packlist' -o -name '*.bs' \) \
  -exec rm -f {} \;
find $PKG/usr/lib${LIBDIRSUFFIX}/perl5 -depth -type d -empty -delete 2>/dev/null || true

# Upstream's x2goagent symlinks are Debian-centric and end up dangling here:
# /usr/bin/x2goagent points at /usr/lib/x2go/../nx/bin/x2goagent, which is a
# second symlink upstream drops into nx-libs' own directory. Point straight at
# the nx-libs binary instead (argv[0] is still x2goagent, so nxagent still
# starts in X2Go mode) and don't ship anything under /usr/lib${LIBDIRSUFFIX}/nx,
# which belongs to nx-libs. Same for the VERSION file.
rm -rf $PKG/usr/lib${LIBDIRSUFFIX}/nx
ln -sf /usr/lib${LIBDIRSUFFIX}/nx/bin/nxagent $PKG/usr/bin/x2goagent
ln -sf /usr/share/nx/VERSION.nxagent \
  $PKG/usr/share/x2go/versions/VERSION.x2goserver-x2goagent

# /etc/x2go/Xresources is symlinked to /etc/X11/Xresources, a Debian path that
# doesn't exist on Slackware, so the link is always dangling. Xsession only
# merges the file when it's readable, so drop the link; an admin who wants
# session-wide X resources can just create /etc/x2go/Xresources by hand.
rm -f $PKG/etc/x2go/Xresources

# Install init script
install -D -m 0755 $CWD/rc.x2goserver $PKG/etc/rc.d/rc.x2goserver

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

mkdir -p $PKG/usr/doc/$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