#!/usr/bin/env sh
set -e

if [ $# -ne 2 ]; then
    echo "err: bad usage" >&2
    exit 2
fi

mk="mk"
script="$1/$mk/$2.sh"

if [ -f "$script" ]; then
    (cd "$1" && sh "$mk/$2.sh")
else
    echo "err: no such file/dir" >&2
    exit 1
fi