Alex says his emails are not getting through to the mailing list. Any idea
why? Maybe Augie knows?

---------- Forwarded message ---------
From: Александр Литягин <alexraynepe...@gmail.com>
Date: Sat, Apr 30, 2022, 06:59
Subject: mercurial: on your commits about hash collisions
To: <martinv...@google.com>


Hallow Martin!

You`ve commited into mercurial repo rev 65eda809b943:

>> tests: demonstrate crash on partial amend with copies in changesets

Maybe you interests about my patch on similar problems
https://bz.mercurial-scm.org/show_bug.cgi?id=6588

I got hash duplications when grapht/transplant revisions rigth on same parent.
(This problem affects files, not revisions, therefore it not obvious to detect.)

My solution was to mark duplicate chenges with differ meta tags. And
for that, improved file content comparators - it
now take into evaluation only data part of change. So now i have full
fridom to change contents of changeset meta, with
no warry that it breaks file change detections in dirstate.

All patches i placed in bug-report.
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