Remove dead code of cp_r/2, xcopy_win32/2 and cp_r_win32/2.

The bulk of the code is hidden behind opposite checks:
* os:type() /= {win32, _} in symlink_or_copy/2
* os:type() == {win32, _} in cp_r/2

symlink_or_copy/2 is always using win32_symlink/2 when file:make_symlink/2 fails.

1 files changed, 2 insertions, 62 deletions

diff --git a/src/rlx_util.erl b/src/rlx_util.erl
index b3fc2b7..f68c291 100644
--- a/src/rlx_util.erl
+++ b/src/rlx_util.erl
@@ -233,18 +233,14 @@ symlink_or_copy(Source, Target) ->
             ok;
         {error, eexist} ->
             {error, eexist};
-        {error, _} ->
+        {error, _} = Error ->
             case os:type() of
                 {win32, _} ->
                     S = unicode:characters_to_list(Source),
                     T = unicode:characters_to_list(Target),
                     win32_symlink(filename:nativename(S), filename:nativename(T));
                 _ ->
-                    case filelib:is_dir(Target) of
-                        true -> ok;
-                        false ->
-                            cp_r([Source], Target)
-                    end
+                    Error
             end
     end.
 
@@ -253,62 +249,6 @@ win32_symlink(Source, Target) ->
     os:cmd("cmd /c mklink /j " ++ Target ++ " " ++ Source),
     ok.
 
--spec cp_r(list(string()), file:filename()) -> 'ok'.
-cp_r(Sources, Dest) ->
-    case os:type() of
-        {unix, _} ->
-            ok;
-        {win32, _} ->
-            lists:foreach(fun(Src) -> ok = cp_r_win32(Src,Dest) end, Sources),
-            ok
-    end.
-
-xcopy_win32(Source,Dest)->
-    %% "xcopy \"~s\" \"~s\" /q /y /e 2> nul", Chanegd to robocopy to
-    %% handle long names. May have issues with older windows.
-    os:cmd("robocopy " ++ Source ++ " " ++ Dest ++ " /e /is"),
-    ok.
-
-cp_r_win32({true, SourceDir}, {true, DestDir}) ->
-    %% from directory to directory
-     ok = case file:make_dir(DestDir) of
-             {error, eexist} -> ok;
-             Other -> Other
-         end,
-    ok = xcopy_win32(SourceDir, DestDir);
-cp_r_win32({false, Source} = S,{true, DestDir}) ->
-    %% from file to directory
-    cp_r_win32(S, {false, filename:join(DestDir, filename:basename(Source))});
-cp_r_win32({false, Source},{false, Dest}) ->
-    %% from file to file
-    {ok,_} = file:copy(Source, Dest),
-    ok;
-cp_r_win32({true, SourceDir}, {false, DestDir}) ->
-    case filelib:is_regular(DestDir) of
-        true ->
-            %% From directory to file? This shouldn't happen
-            {error, lists:flatten(
-                      io_lib:format("Cannot copy dir (~p) to file (~p)\n",
-                                    [SourceDir, DestDir]))};
-        false ->
-            %% Specifying a target directory that doesn't currently exist.
-            %% So let's attempt to create this directory
-            case filelib:ensure_dir(filename:join(DestDir, "dummy")) of
-                ok ->
-                    ok = xcopy_win32(SourceDir, DestDir);
-                {error, Reason} ->
-                    {error, lists:flatten(
-                              io_lib:format("Unable to create dir ~p: ~p\n",
-                                            [DestDir, Reason]))}
-            end
-    end;
-cp_r_win32(Source,Dest) ->
-    Dst = {filelib:is_dir(Dest), Dest},
-    lists:foreach(fun(Src) ->
-                          ok = cp_r_win32({filelib:is_dir(Src), Src}, Dst)
-                  end, filelib:wildcard(Source)),
-    ok.
-
 %% @doc Returns the color intensity, we first check the application envorinment
 %% if that is not set we check the environment variable RELX_COLOR.
 intensity() ->