anchor.diff:      ## Setup: Encountered missing dependencies:
       ## template-haskell >=2.10 && <2.13
       jailbreak       = true;
  +  });
  +
  +  boxes = overrideCabal super.boxes (drv: {
  +    ## https://github.com/treeowl/boxes/issues/29
  +    patches = (drv.patches or []) ++ [
  +      (pkgs.fetchpatch
  +       { url    = https://github.com/asr/boxes/commit/f03e16cb8677a9d85687c641fe27a87e6fd94d54.patch;
  +         sha256 = "179vkn6jimiy64dwyam04x8v981l3pfrq3ig97600vnkns3v8i6a";
  +       })
  +    ];
     });
   
     cabal2nix = super.cabal2nix.override {
  
positive.code:     ## Setup: Encountered missing dependencies:
      ## QuickCheck >=2.5 && <2.11
      doCheck         = false;
    });
  
    tasty-expected-failure = overrideCabal super.tasty-expected-failure (drv: {
  
negative.code:   haskell-gi-base = overrideCabal super.haskell-gi-base (drv: {
      ## Setup: Encountered missing dependencies:
      ## haskell-gi-base ==0.21.*
      src = pkgs.fetchFromGitHub {
        owner  = "haskell-gi";
        repo   = "haskell-gi";
  