# HG changeset patch
# User Mads Kiilerich <m...@kiilerich.com>
# Date 1485911430 -3600
# Wed Feb 01 02:10:30 2017 +0100
# Branch stable
# Node ID 086c37652735ca87117333fc71941bcb67b799c3
# Parent 2d6b86cadc1039f7cf72b64c29399bebe02e7dd3
merge: more safe detection of criss cross merge conflict between dm and r
41f6af50c0d8 introduced handling of a crash in this case. A review comment
suggested that it was not entirely obvious that a 'dm' always would have a 'r'
for the source file.
To mitigate that risk, make the code more conservative and make less
assumptions.
diff --git a/mercurial/merge.py b/mercurial/merge.py
--- a/mercurial/merge.py
+++ b/mercurial/merge.py
@@ -1039,8 +1039,7 @@ def calculateupdates(repo, wctx, mctx, a
for f in dms:
dm, (f0, flags), msg = actions[f]
assert dm == 'dm', dm
- m, args, msg = actions[f0]
- if m == 'r':
+ if f0 in actions and actions[f0][0] == 'r':
# We have one bid for removing a file and another for moving
it.
# These two could be merged as first move and then delete ...
# but instead drop moving and just delete.
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