Fix problematic tar entries for TS upload.

planemo/shed.py

@@ -401,7 +401,12 @@ def build_tarball(realized_path, **kwds):
     try:
         tar = tarfile.open(temp_path, "w:gz", dereference=True)
         try:
-            tar.add(realized_path, arcname=".", recursive=True)
+            for name in os.listdir(realized_path):
+                tar.add(
+                    os.path.join(realized_path, name),
+                    arcname=name,
+                    recursive=True,
+                )
         finally:
             tar.close()
     finally:

tests/test_shed_upload.py

@@ -235,6 +235,12 @@ def _untar(self, f, path):
         tar = tarfile.open(path, "r:gz")
         tar.extractall(path=target)
         tar.close()
+        tar = tarfile.open(path, "r:gz")
+        for tar_info in tar.getmembers():
+            # These entries cause problems with TS.
+            assert tar_info.name != "."
+            assert tar_info.name != ""
+        tar.close()
         return target