{ "test-result":
  { "vars": ["name", "test.sh"]
  , "expression":
    { "type": "let*"
    , "bindings":
      [ [ "runner"
        , { "type": "map_union"
          , "$1":
            { "type": "foreach"
            , "var": "runner"
            , "range": {"type": "FIELD", "name": "runner"}
            , "body":
              { "type": "map_union"
              , "$1":
                { "type": "foreach"
                , "var": "runner"
                , "range":
                  { "type": "values"
                  , "$1":
                    { "type": "DEP_ARTIFACTS"
                    , "dep": {"type": "var", "name": "runner"}
                    }
                  }
                , "body":
                  { "type": "singleton_map"
                  , "key": "runner"
                  , "value": {"type": "var", "name": "runner"}
                  }
                }
              }
            }
          }
        ]
      , [ "deps"
        , { "type": "TREE"
          , "$1":
            { "type": "disjoint_map_union"
            , "msg": "Field 'deps' has to stage in a conflict free way"
            , "$1":
              { "type": "++"
              , "$1":
                [ { "type": "foreach"
                  , "var": "dep"
                  , "range": {"type": "FIELD", "name": "deps"}
                  , "body":
                    { "type": "DEP_RUNFILES"
                    , "dep": {"type": "var", "name": "dep"}
                    }
                  }
                , { "type": "foreach"
                  , "var": "dep"
                  , "range": {"type": "FIELD", "name": "deps"}
                  , "body":
                    { "type": "DEP_ARTIFACTS"
                    , "dep": {"type": "var", "name": "dep"}
                    }
                  }
                ]
              }
            }
          }
        ]
      , [ "test-results"
        , { "type": "ACTION"
          , "outs":
            { "type": "++"
            , "$1":
              [ ["result", "stdout", "stderr", "time-start", "time-stop"]
              , { "type": "foreach"
                , "var": "filename"
                , "range": {"type": "FIELD", "name": "keep"}
                , "body":
                  { "type": "join"
                  , "$1": ["work/", {"type": "var", "name": "filename"}]
                  }
                }
              ]
            }
          , "inputs":
            { "type": "map_union"
            , "$1":
              [ { "type": "singleton_map"
                , "key": "work"
                , "value": {"type": "var", "name": "deps"}
                }
              , {"type": "var", "name": "runner"}
              , {"type": "var", "name": "test.sh"}
              ]
            }
          , "cmd":
            { "type": "++"
            , "$1": [["./runner"], {"type": "FIELD", "name": "keep"}]
            }
          , "may_fail": ["test"]
          , "fail_message":
            { "type": "join"
            , "$1": ["shell test ", {"type": "var", "name": "name"}, " failed"]
            }
          }
        ]
      , [ "runfiles"
        , { "type": "singleton_map"
          , "key": {"type": "var", "name": "name"}
          , "value":
            {"type": "TREE", "$1": {"type": "var", "name": "test-results"}}
          }
        ]
      ]
    , "body":
      { "type": "RESULT"
      , "artifacts": {"type": "var", "name": "test-results"}
      , "runfiles": {"type": "var", "name": "runfiles"}
      }
    }
  }
}