#!/bin/bash

# Script to automate "backporting" of packages for Debian if the
# only difference to the upstream packages is the signature.

# For backporting rkward from the version 0.4.9a currently in testing, I
# manually changed /etc/apt/sources list to this source package archive

# Author: Johannes Ranke <jranke@uni-bremen.de>

export DEBEMAIL=jranke@uni-bremen.de
export DEBFULLNAME="Johannes Ranke"

text="Recompiled on etch for CRAN"

for i in rkward; do
	cd $i
	rm -rf $i*
	rm *.deb
    apt-get source $i
    cd $i-*
    version=`dpkg-parsechangelog | grep ^Version | cut -f2 -d " "`~etchcran.2.8.1
    dch -b -v $version -D etch-cran $text

    sed -i '/^Build-Depends/s/r-base-dev (.*)/r-base-dev (>= 2.8.1-1~etchcran.0)/' debian/control
    dch -a "debian/control: adapt build dependencies on r-base-dev to current backport"

    sed -i '/^#include "Rdevices.h"/d' rkward/rbackend/rembedinternal.cpp
    dch -a "rkward/rbackend/rembedinternal.cpp: remove inclusion of obsolete Rdevices.h"

    fakeroot dpkg-buildpackage -sa
    cd ../..
done