# HG changeset patch
# User Boris Feld <boris.feld@octobus.net>
# Date 1496423255 -7200
# Node ID 3fd4b0dca16c9817e8bc1464283e1d0f9fe37ceb
# Parent  3c594000844b56c16bdede2d9b7f792ff19c402d
effectflag: fix content change detection for filtered revs

In some cases (like amended an obsolete changeset), computing the diff and
comparing them need to work with filtered revisions. We need to use unfiltered
change contexts to safely compute diffs.

diff -r 3c594000844b -r 3fd4b0dca16c README
--- a/README	Mon Jun 05 10:15:00 2017 +0100
+++ b/README	Fri Jun 02 19:07:35 2017 +0200
@@ -121,6 +121,11 @@
 Changelog
 =========
 
+6.3.2 - in progress
+-------------------
+
+ - effect flag: fix a small bug related to hidden changeset,
+
 6.3.1 -- 2017-06-01
 -------------------
 
diff -r 3c594000844b -r 3fd4b0dca16c hgext3rd/evolve/obshistory.py
--- a/hgext3rd/evolve/obshistory.py	Mon Jun 05 10:15:00 2017 +0100
+++ b/hgext3rd/evolve/obshistory.py	Fri Jun 02 19:07:35 2017 +0200
@@ -494,8 +494,14 @@
 
     This is a first and basic implementation, with many shortcoming.
     """
-    leftdiff = leftctx.diff(git=1)
-    rightdiff = rightctx.diff(git=1)
+
+    # Leftctx or right ctx might be filtered, so we need to use the contexts
+    # with an unfiltered repository to safely compute the diff
+    leftunfi = leftctx._repo.unfiltered()[leftctx.rev()]
+    leftdiff = leftunfi.diff(git=1)
+    rightunfi = rightctx._repo.unfiltered()[rightctx.rev()]
+    rightdiff = rightunfi.diff(git=1)
+
     left, right = (0, 0)
     while None not in (left, right):
         left = _getdifflines(leftdiff)