Preserve timestamps and permissions when "unpacking" (copying) a

directory tree.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4043114

setuptools/archive_util.py

@@ -100,9 +100,9 @@ def unpack_directory(filename, extract_dir, progress_filter=default_filter):
             if not target:
                 continue    # skip non-files
             ensure_directory(target)
-            shutil.copyfile(os.path.join(base,f), target)
-
-
+            f = os.path.join(base,f)
+            shutil.copyfile(f, target)
+            shutil.copystat(f, target)