Fix issue #10

src/gitsweep/cli.py

@@ -136,7 +136,7 @@ def _sweep(self):
         for ref in ok_to_delete:
             sys.stdout.write('  {0}\n'.format(ref.remote_head))
 
-        if not dry_run:
+        if not dry_run and ok_to_delete:
             deleter = Deleter(repo, remote_name=remote_name,
                 master_branch=master_branch)
 

src/gitsweep/tests/test_cli.py

@@ -252,3 +252,14 @@ def test_will_force_clean(self):
             Tell everyone to run `git fetch --prune` to sync with this remote.
             (you don't have to, yours is synced)
             ''', stdout)
+
+    def test_cleanup_will_not_prompt_if_none_found(self):
+        """
+        Will not prompt clean up if no branches found.
+        """
+        (retcode, stdout, stderr) = self.gscommand('git-sweep cleanup')
+
+        self.assertResults('''
+            Fetching from the remote
+            No remote branches are available for cleaning up
+            ''', stdout)