anchor.diff:      })
     ];
   
  -  postPatch =
  -  /* patchShebangs does not catch @PYTHON@ */ ''
  +  postPatch = /* patchShebangs does not catch @PYTHON@ */ ''
       sed -i tools/g-ir-tool-template.in \
         -e 's|#!/usr/bin/env @PYTHON@|#!${python2.interpreter}|'
     '' +
  
positive.code: }:
  
  let
    inherit (stdenv.lib)
      boolWt
      optionals
      optionalString;
  
    channel = "1.50";
    version = "${channel}.0";
  in
  stdenv.mkDerivation rec {
  
negative.code:     };
    };
  
    meta = with lib; {
      description = "A middleware layer between C libraries and language bindings";
      homepage = http://live.gnome.org/GObjectIntrospection;
      license = with licenses; [
  