# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 2018-02-06 10:08:41
# Node ID 69aaad59dc0229880917529510921eb2b8ced792
# Parent  fa15a70f88deac245ad2a17b3eeb1068929c6d5f

changelog: add the missing 'closed' property on 'appender' object

This mimic file object further.

diff --git a/mercurial/changelog.py b/mercurial/changelog.py
--- a/mercurial/changelog.py
+++ b/mercurial/changelog.py
@@ -90,6 +90,11 @@ class appender(object):
         return self.offset
     def flush(self):
         pass
+
+    @property
+    def closed(self):
+        return self.fp.closed
+
     def close(self):
         self.fp.close()