anchor.diff:  
   'delete-deps'(Config, _) ->
       %% Delete all the available deps in our deps/ directory, if any
  -    DepsDir = get_deps_dir(),
  +    {true, DepsDir} = get_deps_dir(),
       Deps = rebar_config:get_local(Config, deps, []),
       {AvailableDeps, _} = find_deps(find, Deps),
       _ = [delete_dep(D)
  
positive.code:     %% VCS directory, such as when a source archive is built of a project, with
      %% all deps already downloaded/included. So, verify that the necessary VCS
      %% directory exists before attempting to do the update.
      AppDir = filename:join(get_deps_dir(), Dep#dep.app),
      case has_vcs_dir(element(1, Dep#dep.source), AppDir) of
          true ->
              ?CONSOLE("Updating ~p from ~p\n", [Dep#dep.app, Dep#dep.source]),
  
negative.code:         false ->
              ?CONSOLE("Pulling ~p from ~p\n", [Dep#dep.app, Dep#dep.source]),
              require_source_engine(Dep#dep.source),
              {true, TargetDir} = get_deps_dir(Dep#dep.app),
              download_source(TargetDir, Dep#dep.source),
              use_source(Dep#dep { dir = TargetDir }, Count-1)
      end.
  