py/rules_pkg_tree.patch

diff --git a/pkg/private/tar/build_tar.py b/pkg/private/tar/build_tar.py
index ab16610d..b6b75bd7 100644
--- a/pkg/private/tar/build_tar.py
+++ b/pkg/private/tar/build_tar.py
@@ -309,7 +309,10 @@ def add_manifest_entry(self, entry_list, file_attributes):
     elif entry.entry_type == manifest.ENTRY_IS_EMPTY_FILE:
       self.add_empty_file(entry.dest, **attrs)
     else:
-      self.add_file(entry.src, entry.dest, **attrs)
+      if os.path.isdir(entry.src):
+        self.add_tree(entry.src, entry.dest, **attrs)
+      else:
+        self.add_file(entry.src, entry.dest, **attrs)
 
 
 def main():