# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 1722512554 -7200
# Node ID 87a8190e66fe8e7166cf55a14947ec85c4462cb5
# Parent  e1fd715df257412a76b20e9e649de94a04ffe6c2
manifest: use read_any_fast_delta in changectx

The new API is clearer but also more expressive. It allow to detect case where
we did return a full read and populated the associated cache. Saving time!

diff -r e1fd715df257 -r 87a8190e66fe mercurial/context.py
--- a/mercurial/context.py	Thu Aug 01 13:40:46 2024 +0200
+++ b/mercurial/context.py	Thu Aug 01 13:42:34 2024 +0200
@@ -541,7 +541,10 @@
 
     @propertycache
     def _manifestdelta(self):
-        return self._manifestctx.readdelta()
+        base, delta = self._manifestctx.read_any_fast_delta()
+        if base is None:
+            self._manifest = delta
+        return delta
 
     @propertycache
     def _parents(self):