#!/bin/sh
umask 002
root=$(r -e 'suppressMessages(library(cran2deb));cat(system.file(package="cran2deb"),file=stdout())')
cmd=$1
shift
if [ ! -x "$root/exec/$cmd" ]; then
    echo unknown command $cmd
    exit 1
fi

precmd=""
if [ "$(id -un)" != c2d ]; then
	precmd="sudo -u c2d -E"
fi

$precmd "$root/exec/$cmd" "$root" $*