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rust-dirstate: panic if the DirstateMap counters go below 0...
rust-dirstate: panic if the DirstateMap counters go below 0 When modifying the API I hit some... interesting errors (trying to allocate 178GB of RAM, for example) because I failed to keep the counters correctly updated. This counter underflow is likely to happen when code is changed around and can have up to eat-your-dirstate level of consequences, which is not nice. The very small runtime cost of checking these counters should really not be an issue and will help us uncover bugs when/if they do appear in the future. Differential Revision: https://phab.mercurial-scm.org/D12430

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Readme.html
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Gregory Szorc
packaging: move contrib/macosx to contrib/packaging/...
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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Read Me - Important Information</title>
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<p class="p1"><b>Before you install</b></p>
<p class="p2"><br></p>
<p class="p3">This is an OS X version of Mercurial that depends on the default Python installation.</p>
<p class="p2"><br></p>
<p class="p1"><b>After you install</b></p>
<p class="p2"><br></p>
<p class="p3">This package installs the <span class="s2">hg</span> executable as <span class="s2">/usr/local/bin/hg</span>. See <span class="s2">hg debuginstall</span> for more info on file locations.</p>
<p class="p2"><br></p>
<p class="p1"><b>Documentation</b></p>
<p class="p2"><br></p>
<p class="p3">Visit the <a href="https://mercurial-scm.org/">Mercurial web site and wiki</a></p>
<p class="p2"><br></p>
<p class="p3">There's also a free book, <a href="https://book.mercurial-scm.org/">Distributed revision control with Mercurial</a></p>
<p class="p2"><br></p>
<p class="p1"><b>Reporting problems</b></p>
<p class="p2"><br></p>
<p class="p3">If you run into any problems, please file a bug online:</p>
<p class="p3"><a href="https://bz.mercurial-scm.org/">https://bz.mercurial-scm.org/</a></p>
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