[PATCH 3 of 7] statichttprepo: do not try to write caches

[Pierre-Yves David]

# HG changeset patch
# User Pierre-Yves David <pierre-yves.david at ens-lyon.org>
# Date 1470404889 -7200
#      Fri Aug 05 15:48:09 2016 +0200
# Node ID c35e9b9c8de2bde1b16c470f6d92ae5b2c258aad
# Parent  9677e36d339bc11d8223aadd9473eb7218b8b6cb
# EXP-Topic vfsward
statichttprepo: do not try to write caches

The static http repository are read only, there is no hope in any cache
writing attempt.

diff -r 9677e36d339b -r c35e9b9c8de2 mercurial/statichttprepo.py
--- a/mercurial/statichttprepo.py	Fri Aug 05 13:44:17 2016 +0200
+++ b/mercurial/statichttprepo.py	Fri Aug 05 15:48:09 2016 +0200
@@ -181,6 +181,9 @@ class statichttprepository(localrepo.loc
     def lock(self, wait=True):
         raise error.Abort(_('cannot lock static-http repository'))
 
+    def _writecaches(self):
+        pass
+
 def instance(ui, path, create):
     if create:
         raise error.Abort(_('cannot create new static-http repository'))