#!/bin/sh
#
# Slackware build script for FCE Ultra
#
# Heavily based on the Slackware 13.0 SlackBuild
# Written by Luigi "Reilly" Cozzolino
# URL: http://fceux.com
# Packager: Luigi "Reilly" Cozzolino
# BuildRequires: lua

# Exit on most errors:
set -e

########  SOURCE PACKAGE SECTION  ######################
SRCNAME="fceux"
SRCVER="2.1.0a"
SRCTYPE="tar.bz2"
SRCPKG="${SRCNAME}-${SRCVER}.src.${SRCTYPE}"
SOURCEDIR1="fceu"
SOURCEDIR2="gfceux"
########  END SOURCE PACKAGE SECTION  ##################

########  SLACKWARE PACKAGE SECTION  ###################
SLKNAM="${SRCNAME}"
SLKVER="${SRCVER}"
ARCH=${ARCH:-i486}
BUILD="2lc"
PKGTYPE="${PKGTYPE:-txz}"
########  END SLACKWARE PACKAGE SECTION  ###############

CWD=$(pwd)
TMP=${TMP:-$HOME/PKGS/${SLKNAM}}

if [ "${ARCH}" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "${ARCH}" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
fi

# Number of jobs to compile at once:
if [ -z "$NUMJOBS" ]; then
  NUMJOBS=-j4
fi

PKG=$TMP/package-${SLKNAM}
rm -rf $PKG
mkdir -p $PKG

cd $TMP
rm -rf ${SOURCEDIR1} ${SOURCEDIR2}

clear
sleep 1
echo ; echo ; echo
echo "+==========================================================="
echo -e "|\033[01;32m Building\033[00m \033[01;31m${SRCPKG}\033[00m"
echo "+==========================================================="
sleep 5
# Checking source package type...
[ "${SRCTYPE}" = "tar.gz"  -o "${SRCTYPE}" = "tgz" ] && EXTRACT_SRCPKG="tar -xvzf"
[ "${SRCTYPE}" = "tar.bz2" -o "${SRCTYPE}" = "tbz" ] && EXTRACT_SRCPKG="tar -xvjf"
[ "${SRCTYPE}" = "zip"     -o "${SRCTYPE}" = "ZIP" ] && EXTRACT_SRCPKG="unzip"
[ "${SRCTYPE}" = "rar"     -o "${SRCTYPE}" = "RAR" ] && EXTRACT_SRCPKG="rar x"
[ "${SRCTYPE}" = "7z"      -o "${SRCTYPE}" = "7Z" ]  && EXTRACT_SRCPKG="7z x"

# and finally extract it:
${EXTRACT_SRCPKG} $CWD/${SRCPKG} || exit 1

# Ownerships/perms funtion:
change_perms() { chown -R root:root .
find . -perm 666 -exec chmod 644 {} \;
find . -perm 664 -exec chmod 644 {} \;
find . -perm 600 -exec chmod 644 {} \;
find . -perm 444 -exec chmod 644 {} \;
find . -perm 400 -exec chmod 644 {} \;
find . -perm 440 -exec chmod 644 {} \;
find . -perm 777 -exec chmod 755 {} \;
find . -perm 775 -exec chmod 755 {} \;
find . -perm 511 -exec chmod 755 {} \;
find . -perm 711 -exec chmod 755 {} \;
find . -perm 555 -exec chmod 755 {} \;
}

#############################  FCEUX SECTION  ########################################################

( set -e

cd ${SOURCEDIR1}

# Change ownerships/perms:
change_perms

# Building ``fceux'':
scons

# Add binary to package:
mkdir -p $PKG/usr/games
install -m 0755 bin/fceux $PKG/usr/games

# Add a manpage:
mkdir -p $PKG/usr/man/man6
install -m 0644 documentation/fceux.6 $PKG/usr/man/man6
gzip -9 $PKG/usr/man/man?/*

# Add a documentation directory for ``fceux'':
mkdir -p $PKG/usr/doc/${SLKNAM}-${SLKVER}
cp -a bin/fceux.chm AUTHORS COPYING INSTALL NEWS README TODO-PROJECT $PKG/usr/doc/${SLKNAM}-${SLKVER}
) || exit 1

#############################  END FCEUX SECTION  ####################################################

#############################  GFCEUX SECTION  ############################################################

( set -e

cd ${SOURCEDIR2}

# Change ownerships/perms:
change_perms

# Install:
python setup.py install --prefix=$PKG/usr

# Move ``gfceux'' to `usr/games':
mkdir -p $PKG/usr/games
mv $PKG/usr/bin/gfceux $PKG/usr/games
# Remove redundances:
rmdir $PKG/usr/bin

# Move a manpage from `usr/share/man' to `usr/man'
mkdir -p $PKG/usr/man/man1
mv $PKG/usr/share/man/man1/gfceux.1 $PKG/usr/man/man1
gzip -9 $PKG/usr/man/man?/*
# Remove redundances:
rm -rf $PKG/usr/share/man

# Add a desktop file for KDE:
mkdir -p $PKG/usr/share/applications
cat > $PKG/usr/share/applications/gfceux.desktop << "EOF"
[Desktop Entry]
Encoding=UTF-8
Name=FCEUX NES Emulator
Comment=Play Nintendo ROM files
Terminal=false
Exec=gfceux
Type=Application
StartupNotify=true
Icon=gfceux
Categories=Application;Game;
OnlyShowIn=KDE;
EOF

# Add a documentation directory for ``gfceux'':
mkdir -p $PKG/usr/doc/${SLKNAM}-${SLKVER}/gfceux
cp -a ChangeLog COPYING INSTALL TODO $PKG/usr/doc/${SLKNAM}-${SLKVER}/gfceux
) || exit 1

#############################  END GFCEUX SECTION  ########################################################

# Strip binaries and libraries:
( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null
)

# Add a SlackBuild:
mkdir -p $PKG/usr/doc/${SLKNAM}-${SLKVER}
cat $CWD/${SLKNAM}.SlackBuild > $PKG/usr/doc/${SLKNAM}-${SLKVER}/${SLKNAM}.SlackBuild

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

cd $PKG
requiredbuilder -v -y -s $CWD $PKG
/sbin/makepkg -l y -c n $TMP/${SLKNAM}-${SLKVER}-${ARCH}-${BUILD}.${PKGTYPE}

# Checksum `md5' file creation:
( cd $TMP ; md5sum ${SLKNAM}-${SLKVER}-${ARCH}-${BUILD}.${PKGTYPE} > ${SLKNAM}-${SLKVER}-${ARCH}-${BUILD}.md5 )

# Final touches:
( cd $TMP ; cat $PKG/install/slack-desc | grep "^${SLKNAM}:" > ${SLKNAM}-${SLKVER}-${ARCH}-${BUILD}.txt )

# Clean up the extra stuff:
if [ "$1" = "--cleanup" -o "$1" = "-c" ]; then
  rm -rf $TMP/${SOURCEDIR1}
  rm -rf $TMP/${SOURCEDIR2}
  rm -rf $PKG
fi