#!/bin/bash

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

# 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 rpy; do
for i in boot cluster codetools foreign kernsmooth lattice mgcv nlme rpart survival vr littler rpy; do
	cd $i
	rm -rf $i*
	rm *.deb
    apt-get source -t unstable $i
    cd $i-*
    version=`dpkg-parsechangelog | grep ^Version | cut -f2 -d " "`~etchcran.2.7.1
    dch -b -v $version -D etch-cran $text

    sed -i '/^Build-Depends/s/r-base-dev (.*)/r-base-dev (>= 2.7.1-1~etchcran.0)/' debian/control
    sed -i '/^Build-Depends-Indep/s/r-base-dev (.*)/r-base-dev (>= 2.7.1-1~etchcran.0)/' debian/control
    dch -a "debian/control: adapt build dependencies on r-base-dev to current backport"

    if [ ${i} == "rpy" ]
    then
	    sed -i '/^Build-Depends/s/texlive-base, texlive-latex-base/tetex-bin, tetex-extra, lapack3-dev/' debian/control
	    dch -a "debian/control: revert Build-Depends: to 'tetex-bin, tetex-extra'"
	    dch -a "debian/control: add build dependency on 'lapack3-dev'"
    fi

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