From a029e957fd674030bc289ea928d7cb7204cf5d1c Mon Sep 17 00:00:00 2001
From: Daniel Widgren <daniel.widgren@gmail.com>
Date: Mon, 1 Jun 2015 12:44:13 +0200
Subject: Fixed two tests for windows 8.1 and added touch functionality

---
 src/rebar_file_utils.erl | 49 +++++++++++++++++++++++++++++++++---------------
 1 file changed, 34 insertions(+), 15 deletions(-)

(limited to 'src')

diff --git a/src/rebar_file_utils.erl b/src/rebar_file_utils.erl
index 915da9a..32abd4b 100644
--- a/src/rebar_file_utils.erl
+++ b/src/rebar_file_utils.erl
@@ -36,10 +36,14 @@
          write_file_if_contents_differ/2,
          system_tmpdir/0,
          system_tmpdir/1,
-         reset_dir/1]).
+         reset_dir/1,
+         touch/1]).
 
 -include("rebar.hrl").
+
 -include_lib("providers/include/providers.hrl").
+-include_lib("kernel/include/file.hrl").
+
 
 %% ===================================================================
 %% Public API
@@ -71,6 +75,11 @@ symlink_or_copy(Source, Target) ->
         {error, eexist} ->
             ok;
         {error, _} ->
+            Target2 = case is_binary(Target) of
+                          true -> unicode:characters_to_list(Target);
+                          false -> Target
+                      end,
+            rm_rf(Target2),
             cp_r([Source], Target)
     end.
 
@@ -135,7 +144,7 @@ mv(Source, Dest) ->
     end.
 
 win32_robocopy_ok({ok, _}) -> true;
-win32_robocopy_ok({error, {Rc, _}}) when Rc<9, Rc==16 -> true;
+win32_robocopy_ok({error, {Rc, _}}) when Rc<9; Rc=:=16 -> true;
 win32_robocopy_ok(_) -> false.
 
 delete_each([]) ->
@@ -189,6 +198,17 @@ reset_dir(Path) ->
     %% recreate the directory
     filelib:ensure_dir(filename:join([Path, "dummy.beam"])).
 
+
+%% Linux touch but using erlang functions to work in bot *nix os and
+%% windows
+-spec touch(Path) -> ok | {error, Reason} when
+      Path :: file:name(),
+      Reason :: file:posix().
+touch(Path) ->
+    {ok, A} = file:read_file_info(Path),
+    ok = file:write_file_info(Path, A#file_info{mtime = calendar:local_time(),
+                                                atime = calendar:local_time()}).
+
 %% ===================================================================
 %% Internal functions
 %% ===================================================================
@@ -201,28 +221,27 @@ delete_each_dir_win32([Dir | Rest]) ->
     delete_each_dir_win32(Rest).
 
 xcopy_win32(Source,Dest)->
-    {ok, R} = rebar_utils:sh(
-                ?FMT("xcopy \"~s\" \"~s\" /q /y /e 2> nul",
+    %% "xcopy \"~s\" \"~s\" /q /y /e 2> nul", Chanegd to robocopy to
+    %% handle long names. May have issues with older windows.
+    Res = rebar_utils:sh(
+                ?FMT("robocopy \"~s\" \"~s\" /e /is 2> nul",
                      [filename:nativename(Source), filename:nativename(Dest)]),
                 [{use_stdout, false}, return_on_error]),
-    case length(R) > 0 of
-        %% when xcopy fails, stdout is empty and and error message is printed
-        %% to stderr (which is redirected to nul)
-        true -> ok;
-        false ->
-            {error, lists:flatten(
-                      io_lib:format("Failed to xcopy from ~s to ~s~n",
-                                    [Source, Dest]))}
+    case win32_robocopy_ok(Res) of
+                true -> ok;
+                false ->
+                    {error, lists:flatten(
+                              io_lib:format("Failed to copy ~s to ~s~n",
+                                            [Source, Dest]))}
     end.
 
 cp_r_win32({true, SourceDir}, {true, DestDir}) ->
     %% from directory to directory
-    SourceBase = filename:basename(SourceDir),
-    ok = case file:make_dir(filename:join(DestDir, SourceBase)) of
+     ok = case file:make_dir(DestDir) of
              {error, eexist} -> ok;
              Other -> Other
          end,
-    ok = xcopy_win32(SourceDir, filename:join(DestDir, SourceBase));
+    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))});
-- 
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