anchor.diff: -{ stdenv, fetchFromGitHub, makeWrapper, openssl, coreutils, gnugrep }:
  +{ stdenv
  +, fetchFromGitHub
  +, unstableGitUpdater
  +, makeWrapper
  +, openssl
  +, coreutils
  +, gnugrep }:
   
   stdenv.mkDerivation {
  -  pname = "bash-supergenpass-unstable";
  -  version = "2018-04-18";
  +  pname = "bash-supergenpass";
  +  version = "unstable-2018-04-18";
   
     nativeBuildInputs = [ makeWrapper ];
   
  
positive.code:     install -m755 -D supergenpass.sh "$out/bin/supergenpass"
      wrapProgram "$out/bin/supergenpass" --prefix PATH : "${stdenv.lib.makeBinPath [ openssl coreutils gnugrep ]}"
    '';
  
    meta = with stdenv.lib; {
      description = "Bash shell-script implementation of SuperGenPass password generation";
  
negative.code:     homepage = "https://github.com/lanzz/bash-supergenpass";
    };
  }
  