nixpkgs/pkgs/development/compilers/elm/packages/elm-format.nix

{ mkDerivation, fetchgit, ansi-terminal, ansi-wl-pprint, base, binary
, bytestring, cmark, containers, directory, filepath, free, HUnit
, indents, json, mtl, optparse-applicative, parsec, process
, QuickCheck, quickcheck-io, split, stdenv, tasty, tasty-golden
, tasty-hunit, tasty-quickcheck, text
}:
mkDerivation {
  pname = "elm-format";
  version = "0.8.2";
  src = fetchgit {
    url = "https://github.com/avh4/elm-format";
    sha256 = "0ly37fszrfviwqgrww57ikdcr7i8lcpczhqm8xqp5s7mrlpdxv7z";
    rev = "ab3627cce01e5556b3fe8c2b5e3d92b80bfc74af";
  };
  postPatch = ''
    mkdir -p ./generated
    cat <<EOHS > ./generated/Build_elm_format.hs
    module Build_elm_format where

    gitDescribe :: String
    gitDescribe = "0.8.2"
    EOHS
  '';
  isLibrary = false;
  isExecutable = true;
  libraryHaskellDepends = [
    ansi-terminal ansi-wl-pprint base binary bytestring containers
    directory filepath free indents json mtl optparse-applicative
    parsec process split text
  ];
  executableHaskellDepends = [ base ];
  testHaskellDepends = [
    base cmark containers HUnit mtl parsec QuickCheck quickcheck-io
    split tasty tasty-golden tasty-hunit tasty-quickcheck text
  ];
  doHaddock = false;
  homepage = "https://elm-lang.org";
  description = "A source code formatter for Elm";
  license = stdenv.lib.licenses.bsd3;
}