#!/bin/bash
set -e

cmd=plag-mangler

want="$1"; shift
dir="$1"; shift

printf >&2 "selecting %s (%s)..." "$cmd" "${want%%:*}"

for val in "$@"; do
	if [ "$val" ]; then
		printf >&2 ' %s\n' "$val"
		printf '%s\n' "$def"
		exit 0
	fi
done

if type -p $cmd 2>/dev/null; then
	printf >&2 ' PATH\n'
	exit 0
fi

for which in ${want//\:/ }; do
	r="$dir/target/$which/$cmd"
	if test -e "$r"; then
		printf >&2 ' %s\n' "$r"
		printf '%s\n' "$r"
		exit 0
	fi
done

printf >&2 ' no!\n'
echo missing-plag-mangler-utility
exit 16