anchor.diff:      sha256 = "01b2gnsq0x4fd9na8zpk6pajym55mbz64hgzawlwxdw0y6681kr5";
     });
     foundation = dontCheck super.foundation;
  -  chell = overrideCabal (doJailbreak super.chell) (_drv: {
  -    broken = false;
  -  });
     haskell-src-meta = appendPatch (dontCheck (doJailbreak super.haskell-src-meta)) (pkgs.fetchpatch {
       url = "https://gitlab.haskell.org/ghc/head.hackage/raw/master/patches/haskell-src-meta-0.8.3.patch";
       sha256 = "1asl932mibr5y057xx8v1a7n3qy87lcnclsfh8pbxq1m3iwjkxy8";
  
positive.code:     sha256 = "1v40gmnw4lqyk271wngdwz8whpfdhmza58srbkka8icwwwrck3l5";
    });
  
    # don't use obsolete "defaultUserHooks" in Setup.hs
    X11 = appendPatch super.X11 (pkgs.fetchpatch {
      url = "https://github.com/xmonad/X11/commit/8d817617afa1b54e6c50a9cc552dc1c0804c1794.patch";
      sha256 = "0zsgzn0nvdxvqi5z0za3gzlhql2x5d5cr0kkr19j5c67fy177w6b";
    });
  
    # https://github.com/sol/hpack/issues/371
    hpack = appendPatch super.hpack (pkgs.fetchpatch {
      url = "https://gitlab.haskell.org/ghc/head.hackage/raw/master/patches/hpack-0.32.0.patch";
  
negative.code:   easytest_0_3 = markBroken super.easytest_0_3;
    haskell-src = markBrokenVersion "1.0.3.0" super.haskell-src;
  
  }
  