anchor.diff:      sha256 = "0313xb2j6a4wihrw9gfd4rnyqw7zzv6wf3rfh2gglgnv356ic2kw";
     };
   
  -  buildInputs = [ utillinux /* provides getopt */ libcap ];
  +  # patchset from brew
  +  patches = stdenv.lib.optionals stdenv.isDarwin [
  +    (fetchpatch {
  +      name = "0001-Implement-openat-2-wrapper-which-handles-optional-ar.patch";
  +      url = "https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=0001-Implement-openat-2-wrapper-which-handles-optional-ar.patch;att=1;bug=766649";
  +      sha256 = "1m6ggrqwqy0in264sxqk912vniipiw629dxq7kibakvsswfk6bkk";
  +    })
  +    (fetchpatch {
  +      name = "0002-OS-X-10.10-introduced-id_t-int-in-gs-etpriority.patch";
  +      url = "https://bugs.debian.org/cgi-bin/bugreport.cgi?msg=5;filename=0002-OS-X-10.10-introduced-id_t-int-in-gs-etpriority.patch;att=2;bug=766649";
  +      sha256 = "0rhayp42x4i1a6yc4d28kpshmf7lrmaprq64zfrjpdn4kbs0rkln";
  +    })
  +    (fetchpatch {
  +      name = "fakeroot-always-pass-mode.patch";
  +      url = "https://bugs.debian.org/cgi-bin/bugreport.cgi?att=2;bug=766649;filename=fakeroot-always-pass-mode.patch;msg=20";
  +      sha256 = "0i3zaca1v449dm9m1cq6wq4dy6hc2y04l05m9gg8d4y4swld637p";
  +    })
  +    ];
  +
  +  buildInputs = [ getopt ]
  +    ++ stdenv.lib.optional (!stdenv.isDarwin) libcap
  +    ;
   
     postUnpack = ''
       for prog in getopt; do
  
positive.code: { stdenv, fetchurl, utillinux, libcap }:
  
  stdenv.mkDerivation rec {
    version = "1.20.2";
  
negative.code:     description = "Give a fake root environment through LD_PRELOAD";
      license = stdenv.lib.licenses.gpl2Plus;
      maintainers = with stdenv.lib.maintainers; [viric];
      platforms = stdenv.lib.platforms.unix;
    };
  
  }
  