From patchwork Tue Oct  1 17:07:50 2019
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Subject: D6933: context: clarify the various mode in the _copies property cache
From: phabricator <phabricator@mercurial-scm.org>
X-Patchwork-Id: 41905
Message-Id: <66f43f71ebc46e2bd56f7a88d15bc4a4@localhost.localdomain>
To: Phabricator <phabricator@mercurial-scm.org>
Cc: mercurial-devel@mercurial-scm.org
Date: Tue, 1 Oct 2019 17:07:50 +0000

Closed by commit rHG8af909893188: context: clarify the various mode in the _copies property cache (authored by marmoute).
This revision was automatically updated to reflect the committed changes.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D6933?vs=16747&id=16753

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6933/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6933

AFFECTED FILES
  mercurial/context.py

CHANGE DETAILS




To: marmoute, martinvonz, durin42, #hg-reviewers, pulkit
Cc: mercurial-devel

diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -490,14 +490,22 @@
         # In compatibility mode, we return copy data from the changeset if
         # it was recorded there, and otherwise we fall back to getting it from
         # the filelogs (below).
-        if (source == 'changeset-only' or
-            (source == 'compatibility' and p1copies is not None)):
-            return p1copies or {}, p2copies or {}
-
-        # Otherwise (config said to read only from filelog, or we are in
-        # compatiblity mode and there is not data in the changeset), we get
-        # the copy metadata from the filelogs.
-        return super(changectx, self)._copies
+        if source == 'changeset-only':
+            if p1copies is None:
+                p1copies = {}
+            if p2copies is None:
+                p2copies = {}
+        elif source == 'compatibility':
+            if p1copies is None:
+                # we are in compatiblity mode and there is not data in the
+                # changeset), we get the copy metadata from the filelogs.
+                p1copies, p2copies = super(changectx, self)._copies
+        else:
+            # config said to read only from filelog, we get the copy metadata
+            # from the filelogs.
+            p1copies, p2copies = super(changectx, self)._copies
+        return p1copies, p2copies
+
     def description(self):
         return self._changeset.description
     def branch(self):