diff hglib/client.py @ 200:7da1dad166b5

client: ignore close() on non-open clients (issue5751)

Closing a client twice currently triggers a rather confusing exception.
Instead, follow the convention set by Python's file objects, and ignore close()
commands on non-open clients.

--- a/hglib/client.py	Thu Feb 01 15:10:02 2018 -0500
+++ b/hglib/client.py	Mon Feb 12 14:54:09 2018 +0100
@@ -291,6 +291,8 @@
         Attempting to call any function afterwards that needs to
         communicate with the server will raise a ValueError.
         """
+        if not self.server:
+            return 0
         return self._close()[0]
 
     def _close(self):