Backed out changeset e12256c4. Fixes #833. Reopens #274 and reopens #521.

CHANGES.rst

@@ -2,6 +2,12 @@
 CHANGES
 =======
 
+v28.7.1
+-------
+
+* #833: Backed out changes from #830 as the implementation
+  seems to have problems in some cases.
+
 v28.7.0
 -------
 

setuptools/command/sdist.py

@@ -141,6 +141,11 @@ class sdist(sdist_add_defaults, orig.sdist):
                     self.filelist.extend([os.path.join(src_dir, filename)
                                           for filename in filenames])
 
+    def _add_defaults_data_files(self):
+        """
+        Don't add any data files, but why?
+        """
+
     def check_readme(self):
         for f in self.READMES:
             if os.path.exists(f):