#!/bin/sh -x

# variables
TMP=/tmp
CWD=$(pwd)

APP_NAME=luarocks
PKG=$TMP/package-$APP_NAME

VERSION=1.0.1

EXT=tar.gz

DOCS="AUTHORS ChangeLog COPYING INSTALL NEWS README TODO"

ARCH=$(uname -m)
BUILD=2cyco

PREFIX=/usr

SLCKFLAGS="-fPIC -O2"

# nettoyage préalable
rm -fr $PKG $TMP/$APP_NAME-$VERSION

mkdir -p $PKG

# mise en place
cd $TMP
tar xf $CWD/$APP_NAME-$VERSION.$EXT
cd $APP_NAME-$VERSION

# configuration
CFLAGS=$SLCKFLAGS \
CPPFLAGS=$SLCKFLAGS \
./configure \
    --prefix=$PREFIX

# compilation
make -j3 PREFIX=$PREFIX

# installation
make install DESTDIR=$PKG ROCKS_TREE=$PREFIX/lib64/luarocks #LUADIR=$PREFIX/lib64/lua/5.1

mkdir -p $PKG/etc/profile.d/
cat <<EOF > $PKG/etc/profile.d/luarocks.sh
#!/bin/sh

export PATH=$PATH:$PREFIX/lib64/luarocks/bin
EOF
cat <<EOF > $PKG/etc/profile.d/luarocks.csh
#!/bin/csh

setenv PATH $PATH:$PREFIX/lib64/luarocks/bin
EOF
chmod +x $PKG/etc/profile.d/*

# correction
cd $PKG
chown -R root:root *

mkdir -p $PKG/usr/doc/$APP_NAME-$VERSION
cd $TMP/$APP_NAME-$VERSION
cp -R $DOCS $PKG/usr/doc/$APP_NAME-$VERSION

[ -d $PKG/usr/man ] && find $PKG/usr/man -type f -name "*.?" -exec gzip -9f {} \;

# Strip binaries
( 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
)


# embaumement
mkdir -p $PKG/install
cat <<EOF > $PKG/install/slack-desc
$APP_NAME: $APP_NAME (one line description here)
$APP_NAME:
$APP_NAME: More verbose description here, usually from the README file.
$APP_NAME:
$APP_NAME:
$APP_NAME:
$APP_NAME:
$APP_NAME:
$APP_NAME:
$APP_NAME: see /usr/doc/$APP_NAME-$VERSION for more details
$APP_NAME:
EOF

# empaquetage
cd $PKG
makepkg -l y -c n $TMP/$APP_NAME-$(echo $VERSION | sed 's/-//g')-$ARCH-$BUILD.txz