#!/bin/sh
set -x

CWD=$(pwd)

PRGNAM=$(basename $CWD)
VERSION=${VERSION:=5.1.2}

BUILD=${BUILD:=1}

ARCH=${ARCH:=$(uname -m)}
LIBSUFFIX=$(echo $ARCH | grep -o 64)

TAG=${TAG:=cyco}
OUTPUT=${OUTPUT:=/tmp}
TMP=${TMP:=/tmp/$TAG}
PKG=$TMP/pkg-$PRGNAM

PREFIX=${PREFIX:=/usr}

# Cleaning
rm -fr $TMP/$PRGNAM-$VERSION $PKG
mkdir -p $TMP
cd $TMP

# Fetching sources
[ ! -e $CWD/$PRGNAM-$VERSION-src-unix.tgz ] && wget -c http://download.racket-lang.org/installers/$VERSION/$PRGNAM/$PRGNAM-$VERSION-src-unix.tgz -O $CWD/$PRGNAM-$VERSION-src-unix.tgz

tar xvf $CWD/$PRGNAM-$VERSION-src-unix.tgz

# Preparation
cd $PRGNAM-$VERSION
chown -R root:root .

# Configuration
cd src
sed -i "s|lib/|lib$LIBSUFFIX/|g" Makefile.in
./configure \
    --prefix=$PREFIX \
    --mandir=$PREFIX/man \
    --infodir=$PREFIX/info \
    --libdir=$PREFIX/lib$LIBSUFFIX

# Building
make

# Installation
make install install.TAGS DESTDIR=$PKG

# 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 {} \;
find $PKG$PREFIX/info -name "dir" -exec rm {} \;
find $PKG$PREFIX/info -type f -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
mkdir install
cat <<EOF > $PKG/install/doinst.sh
cd /usr/info
[ -e dir ] && rm dir
[ -e dir.gz ] && rm dir.gz
[ -e dir.new ] && rm dir.new
for file in \$(ls *.gz | grep -v ".*\-[0-9]\+\.gz")
do
    install-info \$file ./dir
done
EOF
cat <<EOF > $PKG/install/slack-desc
$PRGNAM: $PRGNAM (programming language)
$PRGNAM:
$PRGNAM: Racket is a programming language.
$PRGNAM: 
$PRGNAM: 
$PRGNAM: 
$PRGNAM: 
$PRGNAM:
$PRGNAM:
$PRGNAM: http://racket-lang.org/
$PRGNAM:
EOF

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