diff COPYING @ 23661:dbd60f8d88d5

trydiff: use sets, not lists, for containment checks This only has a noticeable effect on diffs touching A LOT of files. For example, it takes hg diff -r FIREFOX_AURORA_30_BASE -r FIREFOX_AURORA_35_BASE from 1m55.465s to 1m32.354s. That diff has over 50k files.
author Martin von Zweigbergk <martinvonz@google.com>
date Tue, 23 Dec 2014 10:41:45 -0800
parents 8c8b55733cbd
children
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