# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 2016-10-18 05:51:22
# Node ID 9d06b65c5df2ccc6714745e9607b0ce5403971de
# Parent  87a7c0d403ff29dcae2a41e0516c75bbd9f6a5a8

manifest: don't store None in fulltextcache

When we read a value from fulltextcache, we expect it to be an array,
so we should not store None in it. Found while working on narrowhg.

diff --git a/mercurial/manifest.py b/mercurial/manifest.py
--- a/mercurial/manifest.py
+++ b/mercurial/manifest.py
@@ -1210,7 +1210,8 @@ class manifestrevlog(revlog.revlog):
                 n = self.addrevision(text, transaction, link, p1, p2)
                 arraytext = array.array('c', text)
 
-        self.fulltextcache[n] = arraytext
+        if arraytext is not None:
+            self.fulltextcache[n] = arraytext
 
         return n
 
@@ -1506,7 +1507,8 @@ class manifest(manifestrevlog):
             m = self._newmanifest(text)
             arraytext = array.array('c', text)
         self._mancache[node] = m
-        self.fulltextcache[node] = arraytext
+        if arraytext is not None:
+            self.fulltextcache[node] = arraytext
         return m
 
     def readshallow(self, node):