anchor.diff:          sha512 = "fQRc4+RG+rEw1IdjFx/5t2AvOlJT8ktv2dfObD3aW838ohZxCx1QvFUY/Gdx5JA1JY/KrHRGuEqQLH9ayiexyg==";
         };
       };
  -    "@expo/dev-tools-0.2.13" = {
  +    "@expo/dev-tools-0.2.16" = {
         name = "_at_expo_slash_dev-tools";
         packageName = "@expo/dev-tools";
  -      version = "0.2.13";
  -      src = fetchurl {
  -        url = "https://registry.npmjs.org/@expo/dev-tools/-/dev-tools-0.2.13.tgz";
  -        sha512 = "3OyFQMpOMyMDvANAaztkHOvFxbe8wN77ooy0L7wz8xuSmRq06jaav7IAVXNodHjasWyDC4stdthr9Kxb9I2+QA==";
  +      version = "0.2.16";
  +      src = fetchurl {
  +        url = "https://registry.npmjs.org/@expo/dev-tools/-/dev-tools-0.2.16.tgz";
  +        sha512 = "n9WodkdMi0wYi0D0O9C5dDpQNirb3Duqps6oyXC+pc4LCrkG810dmvay69b37ka2h7wg8jFSzRnt5Wot9GOsMQ==";
         };
       };
       "@expo/json-file-8.1.0" = {
  
positive.code:         ];
        })
        sources."hashids-1.2.2"
        sources."hoek-6.0.3"
        sources."hoist-non-react-statics-3.1.0"
        sources."home-dir-1.0.0"
        sources."http-cache-semantics-3.8.1"
        sources."http-errors-1.6.3"
        sources."http-signature-1.2.0"
        sources."iconv-lite-0.4.23"
        sources."idx-2.5.0"
        sources."imurmurhash-0.1.4"
        sources."indent-string-3.2.0"
        sources."inflight-1.0.6"
  
negative.code:   expo-cli = nodeEnv.buildNodePackage {
      name = "expo-cli";
      packageName = "expo-cli";
      version = "2.4.3";
      src = fetchurl {
        url = "https://registry.npmjs.org/expo-cli/-/expo-cli-2.4.3.tgz";
        sha512 = "sGyv00l/+ajzRf8GgtfmFgQiAJMeXiOtvZspWtJbQVM2ZQW7RW+kjI0WgXgEY45+wrZSLrmeFKIHzLAPRRN2Gg==";
      };
      dependencies = [
        sources."@babel/code-frame-7.0.0"
  