#!/bin/sh

curdir="$(pwd)"

if [ "${1}" == "" ]; then
  echo "You need to pass the control file as the first parameter of this script."
  echo "Usage: ./build.sh <control-file> <package.tar.bz2>"
  exit -1
fi

pkgname="$( awk '/^Package/ { print $2; }' "${1}" )"
version="$( awk '/^Version/ { print $2; }' "${1}" )"

echo "Building debian package from ${1}."

tarname="${pkgname}-${version}.tar.bz2"
if [ ! -f "${tarname}" ]; then
  echo "Please put the source package ${tarname} in this directory and launch me again."
  exit -1
fi

tar -xvjf "${tarname}"
cd "${pkgname}-${version}"

mkdir =build
cd    =build

CXXFLAGS="-O3 -pipe" ../configure --disable-tests --disable-debug --disable-static --prefix=/usr
make
make pdf

destdir="${curdir}/inst-root"

make DESTDIR="${destdir}" install-strip

docdir="${destdir}/usr/share/doc/${pkgname}-${version}"
mkdir -p "${docdir}"
cp doc/sgpem2uman.pdf doc/sgpem2dman.pdf "${docdir}"

cd ..
for i in AUTHORS NEWS README COPYING ChangeLog; do
  gzip -c "${i}" > "${docdir}/${i}.gz"
done

cd ${curdir}

pkg_size="$( du -sk ${curdir} )"

mkdir -p "${destdir}/DEBIAN"
sed "s|@SIZE@|${pkg_size}|g" "$1" > "${destdir}/DEBIAN/control"

dpkg -b "${destdir}" .

rm -rf "${pkgname}-${version}"
rm -rf "${destdir}"