#!/bin/sh
set -x

PRGNAM=x48
VERSION=0.6.3

BUILD=1

ARCH=$(uname -m)
LIBSUFFIX=$(echo $ARCH | grep -o "\(64\)")

CWD=$(pwd)
TAG=cyco
OUTPUT=/tmp
TMP=/tmp
PKG=$TMP/$TAG/pkg-$PRGNAM

PREFIX=/usr

# Cleaning
( cd $TMP
    rm -fr $PRGNAM-$VERSION
    rm -fr $PKG
)

# Fetching sources
( cd $TMP
    [ ! -e $CWD/$PRGNAM-$VERSION.tar.?z* ] && ( cd $CWD
        wget -c http://download.berlios.de/x48/x48-$VERSION.tar.gz
    )
    [ ! -e $CWD/gxrom-r.bz2 ] && ( cd $CWD
        wget -c http://download.berlios.de/x48/gxrom-r.bz2
    )
    # [ ! -e $CWD/sxrom-j.bz2 ] && ( cd $CWD
    #     wget -c http://download.berlios.de/x48/sxrom-j.bz2
    # )
    [ ! -e $CWD/$PRGNAM-$VERSION.tar.?z* ] && ( cd $CWD
        wget -c http://download.berlios.de/x48/x48-$VERSION.tar.gz
    )
    [ -e $CWD/$PRGNAM-$VERSION.tar.?z* ] \
        && tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
)

# Preparation
( cd $TMP/$PRGNAM-$VERSION
    chown -R root:root .
    find . \
        \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
        -exec chmod 755 {} \; -o \
        \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
        -exec chmod 644 {} \;
)

# Configuration
( cd $TMP/$PRGNAM-$VERSION
	./configure \
		--prefix=$PREFIX \
		--mandir=$PREFIX/man \
		--libdir=$PREFIX/lib$(echo "$ARCH" | grep -o "64") \
        --sysconfdir=/etc
)

# Building
( cd $TMP/$PRGNAM-$VERSION
    make
)

# Installation
( cd $TMP/$PRGNAM-$VERSION
	make install DESTDIR=$PKG

    mkdir -p $PKG$PREFIX/share/$PRGNAM
    ( cd $PKG$PREFIX/share/$PRGNAM
        cp $CWD/*rom* .
        find . -name "*.bz2" -exec bunzip2 {} \;
        find . -name "*.gz" -exec gunzip {} \;
        find . -name "*.zip" -exec unzip {} \;
    )
)

# Cleaning
( 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

    find $PKG$PREFIX/man -type f -name "*.?" -exec gzip -9 {} \;

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

# Packaging
( cd $PKG
    mkdir install
    cat <<EOF > install/slack-desc
$PRGNAM: $PRGNAM (HP48 emulator)
$PRGNAM: 
$PRGNAM: The x48 is an emulator of the Saturn Processor and the I/O of an
$PRGNAM: HP48 calculator. There is a debugger for the Saturn Processor. 
$PRGNAM: 
$PRGNAM: initialization:
$PRGNAM: $ mkdir ~/.hp48 && cp $PREFIX/share/$PRGNAM/gxrom-r ~/.hp48/rom.dump
$PRGNAM: $ cd ~/.hp48 && x48 -initialize
$PRGNAM:
$PRGNAM: http://x48.berlios.de/
$PRGNAM:
EOF

    makepkg -l y -c n $OUTPUT/$PRGNAM-$(echo $VERSION | tr -d '-')-$ARCH-$BUILD$TAG.txz
)