anchor.diff:  
     # Update with `eval $(nix-build -A bazel.updater)`,
     # then add new dependencies from the dict in ./src-deps.json as required.
  -  srcDeps =
  +  srcDeps = lib.attrsets.attrValues srcDepsSet;
  +  srcDepsSet =
       let
         srcs = (builtins.fromJSON (builtins.readFile ./src-deps.json));
  -      toFetchurl = d: fetchurl {
  +      toFetchurl = d: lib.attrsets.nameValuePair d.name (fetchurl {
           name = d.name;
           urls = d.urls;
           sha256 = d.sha256;
  -      };
  -    in map toFetchurl [
  +        });
  +        in builtins.listToAttrs (map toFetchurl [
         srcs.desugar_jdk_libs
         srcs.io_bazel_skydoc
         srcs.bazel_skylib
  
positive.code:       srcs.${"coverage_output_generator-v1.0.zip"}
        srcs.build_bazel_rules_nodejs
        srcs.${"android_tools_pkg-0.4.tar.gz"}
        ];
  
    distDir = runCommand "bazel-deps" {} ''
      mkdir -p $out
  
negative.code:     cp ./bazel_src/scripts/zsh_completion/_bazel $out/share/zsh/site-functions/
    '';
  
    doInstallCheck = true;
    installCheckPhase = ''
      export TEST_TMPDIR=$(pwd)
  
      tar xf ${srcDepsSet.io_bazel_skydoc} -C $TEST_TMPDIR
      mv $(ls | grep skydoc-) io_bazel_skydoc
  
      tar xf ${srcDepsSet.bazel_skylib} -C $TEST_TMPDIR
      mv $(ls | grep bazel-skylib-) bazel_skylib
  
      tar xf ${srcDepsSet.io_bazel_rules_sass} -C $TEST_TMPDIR
      mv $(ls | grep rules_sass-) rules_sass
  
      unzip ${srcDepsSet.build_bazel_rules_nodejs} -d $TEST_TMPDIR
      mv rules_nodejs-0.16.2 build_bazel_rules_nodejs
  
      hello_test () {
        $out/bin/bazel test \
          --override_repository=io_bazel_skydoc=$TEST_TMPDIR/io_bazel_skydoc \
          --override_repository=bazel_skylib=$TEST_TMPDIR/bazel_skylib \
          --override_repository=io_bazel_rules_sass=$TEST_TMPDIR/rules_sass \
          --override_repository=build_bazel_rules_nodejs=$TEST_TMPDIR/build_bazel_rules_nodejs \
          --test_output=errors \
          --java_toolchain='${javaToolchain}' \
          examples/cpp:hello-success_test \
  