dependencies.json

{
  "*" : [
    ["exec", "echo 'exec works!'"],
    ["eval", "puts 'eval works!'"]
  ],
  "iruby" : [
    ["eval", "puts 'gems work!'"],
    ["gem", "metaid"]
  ],
  "metaid": [
    ["eval", "puts 'hooked metaid'"]
  ]
}