#!/bin/bash

# Show debian packages host versions of each command live in
# (Alas, not as useful as I thought it would be.)

[ -x toybox ] || { echo "no ./toybox" >&2; exit 1; }

declare -A ray

# Sad that this is NOT in the default path, but less dumb than /bin/sh->dash
PATH="$PATH":/sbin:/usr/sbin

# Only checks installed packages, puts anything it can't find in none:
for i in $(./toybox)
do
  tty -s && echo -n . >&2
  which $i >/dev/null || { ray["none:"]+=" $i"; continue; }

  ray[$(dpkg-query -S $(readlink -f $(which $i)) | toybox cut -DF 1)]+=" $i"
done

# Print results
for i in ${!ray[@]}
do
  echo $i ${ray[$i]}
done