#!/bin/bash

# Slackware build script for epson-printer-utility

# Copyright 2020 Tim Dickson
# 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.

#thanks to B.Watson for support on this build. :-)

PRGNAM=epson-printer-utility
VERSION=${VERSION:-1.1.1}
EXTRABIT=1lsb3.2
TARNAM=$PRGNAM-$VERSION.tar.gz
BUILD=${BUILD:-3}
TAG=${TAG:-_SBo}

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

CWD=$(pwd)
#lets get the source tarball from the rpm and clean up the bits we don't need
rpm2tgz $PRGNAM-$VERSION-$EXTRABIT.src.rpm
tar -xzf $PRGNAM-$VERSION-$EXTRABIT.src.tgz
cp $PRGNAM-$VERSION-$EXTRABIT/$PRGNAM-$VERSION.tar.gz ./
cp $PRGNAM-$VERSION-$EXTRABIT/epson-backend-$VERSION.tar.gz ./
rm $PRGNAM-$VERSION-$EXTRABIT.src.tgz
rm -r $PRGNAM-$VERSION-$EXTRABIT

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
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$TARNAM
#we remove the tarnam as the original is an rpm
#this keeps things tidy.
rm $CWD/$TARNAM
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 {} \;

echo "patch configure.ac"
sed -i 's_/opt/lsb/bin/lsbc++_/usr/bin/c++_g' configure.ac
sed -i '/^AM_INIT_AUTOMAKE/a AM_PROG_AR()' configure.ac
#fix typo in path of udev stuff
sed -i 's_/ect_/etc_g' configure.ac
#fix source code. We shouldn't have to do this, but hey ho!....
mv EPSCommonLib/epsmp/linux/XAsyncSocket.cpp EPSCommonLib/epsmp/linux/XAsyncSocket.c
#patch png files to remove incorrect sRGB profile in all of them.
mogrify -strip PrinterUtility/Images/*.png
#patch the Resources.qrc file to include missing png's
sed -i 'sZInklow.png</file>ZInklow.png</file>\n        <file>Images/Inklow_.png</file>\n        <file>Images/printer_status_OLD.png</file>\n        <file>Images/printer_status_error_laser.png</file>\n        <file>Images/printer_status_warning_laser.png</file>\n        <file>Images/warning.png</file>Zg' PrinterUtility/Resources.qrc
#we need to regenerate qrc_Resources.cpp (which would have been generated by qmake)
#as the one shipped has all the png's with iCCP invalid sRGB profiles.
#echo "create new qrc_resources.cpp file using our patched Resources.qrc file"
cd PrinterUtility
rm -f qrc_Resources.cpp
rcc -o qrc_Resources.cpp Resources.qrc
cd ..
#echo "now we have a resources file with fixed pngs embeded in it"
#lets run qmake :-) - or lets not. it looks like a bunch of stuff is missing.!
#the list of stuff reported missing by qmake was sent to linux-printer@epson.jp 28/09/2020
#with a request for them to include the missing source code. hopefully they will supply
#the missing code, so we can update this script and remove some of the patches.

#keep next few lines incase we can actually use it in the future.
#cd PrinterUtility
#qmake PrinterUtility.pro
#cd ..

echo "running aclocal"
aclocal
echo "running autoreconf"
autoreconf --install --force

#we still have to fix the Makefile.am files that autoreconf didn't sort out
#fix hardcoded /opt/lsb stuff
sed -i 's_/opt/lsb_/usr_g' EPSCommonLib/Makefile.am
#patch qtlibs reference in wrong place
sed -i "s_/usr/include/QtCore_/usr/lib${LIBDIRSUFFIX}/qt/include/QtCore_g" EPSCommonLib/Makefile.am
sed -i 's_/opt/lsb_/usr_g' PrinterUtility/Makefile.am
sed -i "s_/usr/include/QtCore_/usr/lib${LIBDIRSUFFIX}/qt/include/QtCore_g" PrinterUtility/Makefile.am
sed -i "s_/usr/include/QtGui_/usr/lib${LIBDIRSUFFIX}/qt/include/QtGui_g" PrinterUtility/Makefile.am
sed -i "s_include/QtNetwork_lib${LIBDIRSUFFIX}/qt/include/QtNetwork_g" PrinterUtility/Makefile.am
echo "running configure"

CC=/usr/bin/c++ \
CXX=/usr/bin/c++ \
CFLAGS="$SLKCFLAGS -fpermissive" \
CXXFLAGS="$SLKCFLAGS -fpermissive" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --datarootdir=/usr/share \
  --disable-static \
  --build=$ARCH-slackware-linux

echo "more patching of source files"
#add missing header for sleep
sed -i "1 i #include <unistd.h>" PrinterUtility/EPUMainController.cpp
sed -i "1 i #include <unistd.h>" PrinterUtility/EPUPrinterListDialog.cpp
#we need to patch the moc files so they work with qt 4.8.7 that ships with slackware 14.2
#when the source is complete and we can run qmake, that should fix this.
for i in `ls PrinterUtility/moc_*.cpp`; do
  sed -i 's/59/63/g' $i
done
#patch hardcoded path in Main.cpp so it can find language files
sed -i "s_/opt/epson_/usr/share/epson_g" PrinterUtility/Main.cpp
echo "running make"
make

echo "running make install"
make install DESTDIR=$PKG
#as make install doesn't do much we do it manually
mkdir -p $PKG/usr/bin
cp -a PrinterUtility/epson-printer-utility $PKG/usr/bin/
#udev rule to allow set permissions so any user can monitor the printer.
mkdir -p $PKG/etc/udev/rules.d
cp -a support-tool/79-udev-epson.rules $PKG/etc/udev/rules.d/
mkdir -p $PKG/usr/share/epson-printer-utility/resource/Languages
mv $PKG/usr/resource/Languages/*.qm $PKG/usr/share/epson-printer-utility/resource/Languages/
rm -r $PKG/usr/resource
mkdir -p $PKG/usr/share/pixmaps
cp PrinterUtility/Images/AppIcon.png $PKG/usr/share/pixmaps/epson-printer-utility.png
#+-----------------------------------------------------------+
#| we now have to process the communication daemon           |
#+-----------------------------------------------------------+
cd $TMP
rm -rf epson-backend-$VERSION
tar -xzf $CWD/epson-backend-$VERSION.tar.gz
#we remove the tarnam as the original is an rpm
#this keeps things tidy.
rm $CWD/epson-backend-$VERSION.tar.gz
cd epson-backend-$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 {} \;

echo "running aclocal"
aclocal
echo "running autoreconf"
autoreconf --install --force

echo "running configure"

CC=/usr/bin/gcc \
CXX=/usr/bin/c++ \
CFLAGS="$SLKCFLAGS -Wno-unused-but-set-variable -Wno-unused-function -Wno-implicit-function-declaration -Wno-pointer-sign -Wno-unused-variable" \
CXXFLAGS="$SLKCFLAGS -fpermissive" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --mandir=/usr/man \
  --docdir=/usr/doc/$PRGNAM-$VERSION \
  --disable-static \
  --build=$ARCH-slackware-linux

echo "patching source for backend daemon. epmnt.c"
sed -i "1 i #include <stdlib.h>\n#include <string.h>" daemon/epmnt.c
echo "running make"
make
echo "running make install"
make install DESTDIR=$PKG

#now lets tidy everything up. after all, we are not debian :-)
#there are three important program files, /usr/bin/epson-printer-utility
#/usr/lib/epson-backend/ecbd the communication daemon, and 
#/usr/lib64/cups/backend/ecblp  the cups backend
#we will trash the contents of /usr/lib64/epson-backend  for now, it looks like it is just debian daemon stuff.
#we need to create our own rc.ecbd file to start/stop/restart the backend
#this should be added into rc.local to make it active at startup
rm -r $PKG/usr/lib64/epson-backend
mkdir -p $PKG/etc/rc.d
cp $CWD/rc.ecbd $PKG/etc/rc.d/rc.ecbd.new
#the utility won't work without the daemon, so reduce steps admin has to do to get
#things working on a clean install.
chmod +x $PKG/etc/rc.d/rc.ecbd.new

mkdir -p $PKG/usr/share/applications
cp $CWD/epson-printer-utility.desktop $PKG/usr/share/applications

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
cp -a AUTHORS COPYING NEWS README INSTALL $PKG/usr/doc/$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:-tgz}