anchor.diff:  rm_rf(Target) ->
       case os:type() of
           {unix, _} ->
  -            EscTarget = escape_spaces(Target),
  +            EscTarget = escape_path(Target),
               {ok, []} = rebar_utils:sh(?FMT("rm -rf ~s", [EscTarget]),
                                         [{use_stdout, false}, abort_on_error]),
               ok;
  
positive.code: cp_r(Sources, Dest) ->
      case os:type() of
          {unix, _} ->
              EscSources = [escape_spaces(Src) || Src <- Sources],
              SourceStr = string:join(EscSources, " "),
              {ok, []} = rebar_utils:sh(?FMT("cp -R ~s \"~s\"",
                                             [SourceStr, Dest]),
  
negative.code:                   end, filelib:wildcard(Source)),
      ok.
  
  escape_path(Str) ->
      re:replace(Str, "([ ()?])", "\\\\&", [global, {return, list}]).
  