self: super:
let
  checkInputsAreNative = self.lib.hasInfix "nativeCheckInputs"
    (builtins.readFile <nixpkgs/doc/stdenv/stdenv.chapter.md>);
  checkInputsName =
    if checkInputsAreNative then "nativeCheckInputs" else "checkInputs";
in {
  polite-merge = if builtins.hasAttr "polite-merge" super then
    super.polite-merge
  else
    self.callPackage ({ fetchgit, git, stdenv, }:
      stdenv.mkDerivation rec {
        pname = "polite-merge";
        version = "2.4";
        src = fetchgit {
          url = "https://git.scottworley.com/pub/git/polite-merge";
          rev = version;
          sha256 = "1p6ivaay3bk4vvqqic7g23xrhkkq8z19zhsaxkav8kk90s2bmmza";
        };
        postUnpack = "patchShebangs .";
        "${checkInputsName}" = [ git ];
        doCheck = true;
        preInstall = "export prefix";
      }) { };
}