# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@octobus.net>
# Date 2019-06-12 13:22:49
# Node ID 716d575df275306e916a07a3382c4539af6be161
# Parent  26a31c88e1a5d6f8c2d96c956ad345756dd48f5b

upgrade: always use full text if "full-add" mode is enable

We should not be using a delta since the goal is to perform a full addition from
scratch in all cases.

Without this patch, `hg debugupgraderepo --optimize re-delta-fulladd --run` can
crash.

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -2461,7 +2461,8 @@ class revlog(object):
                 # the revlog chunk is a delta.
                 cachedelta = None
                 rawtext = None
-                if destrevlog._lazydelta:
+                if (deltareuse != self.DELTAREUSEFULLADD
+                        and destrevlog._lazydelta):
                     dp = self.deltaparent(rev)
                     if dp != nullrev:
                         cachedelta = (dp, bytes(self._chunk(rev)))