#!/bin/sh
# Copyright (C) 2006-01-14 Paul Sladen.  GNU GPL for you.
# Guess the Debian source package of a running process number.
PID="$1" ; PROC="/proc/$PID"
test "$PID" -eq "0$PID" -a -d "$PROC" 2>/dev/null || exit 10
EXECUTABLE=$(readlink -f "$PROC/exe" || 
  grep -azm1 '^/' "$PROC/cmdline" ||
  which $(grep -azm1 . "$PROC/cmdline" | cut -d' ' -f1))
test $? -ne 0 && exit 20
PACKAGE=$((/usr/bin/dpkg -S "$EXECUTABLE" 2>/dev/null || exit 1) | cut -d: -f1 )
test $? -ne 0 && exit 30
SOURCE=$(/usr/bin/apt-cache show "$PACKAGE" | awk '/^(Package|Source):/{print$2}' | tail -1)
echo PID=$PID EXECUTABLE=$EXECUTABLE PACKAGE=$PACKAGE SOURCE=$SOURCE