anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "sudo";
  -  version = "1.9.5p2";
  +  version = "1.9.6";
   
     src = fetchurl {
       url = "https://www.sudo.ws/dist/${pname}-${version}.tar.gz";
  -    sha256 = "0y093z4f3822rc88g9asdch12nljdamp817vjxk04mca7ks2x7jk";
  +    sha256 = "sha256-YslYBJLNLn3WJztc/hl1YPLFCKg2SdHOT2HI7gL/OlU=";
     };
   
     prePatch = ''
  
positive.code: 
      longDescription =
        ''
        Sudo (su "do") allows a system administrator to delegate
        authority to give certain users (or groups of users) the ability
        to run some (or all) commands as root or another user while
        providing an audit trail of the commands and their arguments.
        '';
  
      homepage = "https://www.sudo.ws/";
  
negative.code:   ];
  
    configureFlagsArray = [
      "--with-passprompt=[sudo] password for %p: " # intentional trailing space
    ];
  
    postConfigure =
      ''
        cat >> pathnames.h <<'EOF'
          #undef _PATH_MV
          #define _PATH_MV "${coreutils}/bin/mv"
        EOF
        makeFlags="install_uid=$(id -u) install_gid=$(id -g)"
        installFlags="sudoers_uid=$(id -u) sudoers_gid=$(id -g) sysconfdir=$out/etc rundir=$TMPDIR/dummy vardir=$TMPDIR/dummy DESTDIR=/"
      '';
  
    nativeBuildInputs = [ groff ];
  