Update SwiftSupport.cmake to allow copying directory resources in the TestFoundation bundle.

Author: millenomi

cmake/modules/SwiftSupport.cmake

@@ -192,11 +192,20 @@ function(add_swift_target target)
                        COMMAND
                          ${CMAKE_COMMAND} -E make_directory ${CMAKE_CURRENT_BINARY_DIR}/${target}/${resources_dir})
     foreach(resource ${AST_RESOURCES})
-      add_custom_command(TARGET
-                           ${target}
-                         POST_BUILD
-                         COMMAND
-                           ${CMAKE_COMMAND} -E copy ${resource} ${CMAKE_CURRENT_BINARY_DIR}/${target}/${resources_dir}/)
+      if(IS_DIRECTORY ${resource})
+        get_filename_component(resource_basename ${resource} NAME)             
+        add_custom_command(TARGET
+                             ${target}
+                           POST_BUILD
+                           COMMAND
+                             ${CMAKE_COMMAND} -E copy_directory ${resource} ${CMAKE_CURRENT_BINARY_DIR}/${target}/${resources_dir}/${resource_basename})
+      else()               
+        add_custom_command(TARGET
+                             ${target}
+                           POST_BUILD
+                           COMMAND
+                             ${CMAKE_COMMAND} -E copy ${resource} ${CMAKE_CURRENT_BINARY_DIR}/${target}/${resources_dir}/)
+      endif()
     endforeach()
   else()
     add_custom_command(TARGET