{ mkDerivation, base, bytestring, fetchgit, hspec, QuickCheck, lib, mylib, text }:

mkDerivation {
  pname = "blessings";
  version = "2.3.0";
  src = fetchgit {
    url = http://cgit.ni.krebsco.de/blessings;
    rev = "refs/tags/v2.3.0";
    hash = "sha256-fS79UOHBMfJHyz7E0Rx4lKZSZOD2G99h2zuDT+SOUJQ=";
  };
  libraryHaskellDepends = [ base bytestring text ];
  testHaskellDepends = [ base hspec QuickCheck ];
  doHaddock = false;
  # WTFPL is the true license, which is unknown to cabal.
  license = lib.licenses.wtfpl;
}