anchor.diff:  { stdenv, fetchFromGitHub, fetchpatch, coreutils
   , python3, python3Packages, substituteAll }:
  -
  -assert stdenv.isLinux;
   
   python3Packages.buildPythonApplication rec {
     name = "trash-cli-${version}";
  
positive.code:     homepage = https://github.com/andreafrancia/trash-cli;
      description = "Command line tool for the desktop trash can";
      maintainers = [ maintainers.rycee ];
      platforms = platforms.all;
      license = licenses.gpl2;
    };
  }
  
negative.code:     (substituteAll {
        src = ./nix-paths.patch;
        df = "${coreutils}/bin/df";
        libc = let ext = if stdenv.isDarwin then ".dylib" else ".so.6";
               in "${stdenv.cc.libc}/lib/libc${ext}";
      })
  
      # Fix build on Python 3.6.
  