anchor.diff:  
       writeBashScriptOverride =
         let
  -        ShellCheck = pkgs.haskellPackages.ShellCheck;
  +        inherit (haskellPackages) ShellCheck;
         in
         skipchecks: name: script:
         let
  
positive.code:   inherit (import <microgram/sdk.nix>) pkgs lib;
    inherit (import <microgram/lib>) exportSessionVariables;
    inherit (pkgs)
      pythonPackages perlPackages haskellPackages stdenv_32bit gnome stdenv
      fetchurl newScope;
    inherit (lib)
      concatMapStringsSep overrideDerivation optionalAttrs makeSearchPath concatStringsSep;
  
    old_ghc784 = pkgs.callPackage ./haskell-modules {
      ghc = pkgs.haskell.compiler.ghc784;
  
negative.code:         postFixup = "rm -rf $out/lib $out/nix-support $out/share";
        });
  
     staticHaskellCallPackage = staticHaskellCallPackageWith haskellPackages;
  
      buildPecl = import <nixpkgs/pkgs/build-support/build-pecl.nix> {
        inherit (pkgs) php stdenv autoreconfHook fetchurl;
  