#!/bin/sh

set -u
set -e
trap onexit INT
trap onexit TERM
trap onexit EXIT

TMPDIR=

onexit()
{
	if [ ! "$TMPDIR" = "" ]; then
		sudo rm -rf $TMPDIR
	fi
}

usage()
{
	echo "$0 <package name> <version> <build> <DEB architecture> <source dir.>"
	exit 1
}

if [ $# -lt 5 ]; then usage $0; fi
PACKAGE_NAME=$1
VERSION=$2
BUILD=$3
DEBARCH=$4
SRCDIR=$5

umask 022
rm -f $PACKAGE_NAME\_$DEBARCH.deb
TMPDIR=`mktemp -d /tmp/$PACKAGE_NAME-build.XXXXXX`
mkdir $TMPDIR/DEBIAN
(cat $SRCDIR/release/deb-control.tmpl | sed s/{__PKGNAME}/$PACKAGE_NAME/g \
	| sed s/{__VERSION}/$VERSION/g | sed s/{__BUILD}/$BUILD/g \
	| sed s/{__ARCH}/$DEBARCH/g > $TMPDIR/DEBIAN/control)

if [ "$DEBARCH" = "amd64" ]; then
	__LIB=lib
else
	__LIB=lib32
fi
make install prefix=$TMPDIR/opt/$PACKAGE_NAME libdir=$TMPDIR/opt/$PACKAGE_NAME/$__LIB
rm -f $TMPDIR/opt/$PACKAGE_NAME/$__LIB/*.la
mkdir -p $TMPDIR/usr/$__LIB
mv $TMPDIR/opt/$PACKAGE_NAME/$__LIB/libturbojpeg.* $TMPDIR/usr/$__LIB
/sbin/ldconfig -n $TMPDIR/opt/$PACKAGE_NAME/$__LIB
/sbin/ldconfig -n $TMPDIR/usr/$__LIB
mkdir -p $TMPDIR/usr/include
mv $TMPDIR/opt/$PACKAGE_NAME/include/turbojpeg.h $TMPDIR/usr/include
mkdir -p $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION
install -m 644 $SRCDIR/LICENSE.txt $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION
install -m 644 $SRCDIR/LGPL.txt $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION
install -m 644 $SRCDIR/README-turbo.txt $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION
install -m 644 $SRCDIR/README $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION
install -m 644 $SRCDIR/libjpeg.doc $TMPDIR/usr/share/doc/$PACKAGE_NAME-$VERSION

sudo chown -Rh root:root $TMPDIR/*
dpkg -b $TMPDIR $PACKAGE_NAME\_$DEBARCH.deb

exit