fetchNpmDeps: add forceEmptyCache option

          '';

        };

        makeTest = { name, src, hash, forceGitDeps ? false }: testers.invalidateFetcherByDrvHash fetchNpmDeps {

          inherit name hash forceGitDeps;

        makeTest = { name, src, hash, forceGitDeps ? false, forceEmptyCache ? false }: testers.invalidateFetcherByDrvHash fetchNpmDeps {

          inherit name hash forceGitDeps forceEmptyCache;

          src = makeTestSrc { inherit name src; };

        };

          hash = "sha256-VzQhArHoznYSXUT7l9HkJV4yoSOmoP8eYTLel1QwmB4=";

        };

        # This package has no resolved deps whatsoever, which will not actually work but does test the forceEmptyCache option.

        emptyCache = makeTest {

          name = "empty-cache";

          src = fetchurl {

            url = "https://raw.githubusercontent.com/bufbuild/protobuf-es/v1.2.1/package-lock.json";

            hash = "sha256-UdBUEb4YRHsbvyjymIyjemJEiaI9KQRirqt+SFSK0wA=";

          };

          hash = "sha256-Cdv40lQjRszzJtJydZt25uYfcJVeJGwH54A+agdH9wI=";

          forceEmptyCache = true;

        };

        # This package contains both hosted Git shorthand, and a bundled dependency that happens to override an existing one.

        etherpadLite1818 = makeTest {

          name = "etherpad-lite-1.8.18";

    { name ? "npm-deps"

    , hash ? ""

    , forceGitDeps ? false

    , forceEmptyCache ? false

    , ...

    } @ args:

    let

        };

      forceGitDeps_ = lib.optionalAttrs forceGitDeps { FORCE_GIT_DEPS = true; };

      forceEmptyCache_ = lib.optionalAttrs forceEmptyCache { FORCE_EMPTY_CACHE = true; };

    in

    stdenvNoCC.mkDerivation (args // {

      inherit name;

        else "/no-cert-file.crt";

      outputHashMode = "recursive";

    } // hash_ // forceGitDeps_);

    } // hash_ // forceGitDeps_ // forceEmptyCache_);

}