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Martin von Zweigbergk authored
ctx.matches(match) avoids walking unintersting parts of the tree when using tree manifests. That can make a very big difference when grepping in a small subset of the tree (2.0s -> 0.7s in my case, but can of course be made more extreme by picking a smaller subset of files). Differential Revision: https://phab.mercurial-scm.org/D7820
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