Do not track empty dir's children

When tracking empty dirs.

Author: embs

gitless/cli/helpers.py

@@ -132,6 +132,7 @@ def process_paths():
             if not fps:
               open(os.path.join(curr_dir, core.GL_KEEP_FILENAME), 'a').close()
               fps.append(core.GL_KEEP_FILENAME)
+              dirs[:] = []
             for fp in fps:
               yield os.path.join(curr_dir_rel, fp)
         else:

gitless/tests/test_e2e.py

@@ -710,6 +710,16 @@ def test_track_empty_dir(self):
 
     self.assertIn(expected_out, out, 'Empty dir wasn\'t tracked')
 
+  def test_track_parent_empty_dir(self):
+    parent_empty_dir = self._mk_empty_dir('parent_empty_dir')
+    child_dir = self._mk_empty_dir(os.path.join(parent_empty_dir, 'child_dir'))
+    unexpected_out = 'Empty directory {0} is now a tracked directory'.format(
+        os.path.join(child_dir, ''))
+
+    out = utils.stdout(gl.track(parent_empty_dir))
+
+    self.assertFalse(unexpected_out in out, 'Tracked empty dir child')
+
   def test_tracked_empty_dir_status(self):
     tracked_empty_dir = self._mk_empty_dir('tracked_empty_dir')
     gl.track(tracked_empty_dir)