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refactor: prefer checks against nullrev over nullid...
refactor: prefer checks against nullrev over nullid A common pattern is using a changeset context and obtaining the node to compare against nullid. Change this to obtain the nullrev instead. In the future, the nullid becomes a property of the repository and is no longer a global constant, so using nullrev is much easier to reason about. Python function call overhead makes the difference moot, but future changes will result in more dictionary lookups otherwise, so prefer the simpler pattern. Differential Revision: https://phab.mercurial-scm.org/D10290
Joerg Sonnenberger -
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<title>Read Me - Important Information</title>
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Before you install




This is an OS X version of Mercurial that depends on the default Python installation.




After you install




This package installs the hg executable as /usr/local/bin/hg. See hg debuginstall for more info on file locations.




Documentation




Visit the https://mercurial-scm.org/">Mercurial web site and wiki




There's also a free book, https://book.mercurial-scm.org/">Distributed revision control with Mercurial




Reporting problems




If you run into any problems, please file a bug online:


https://bz.mercurial-scm.org/">https://bz.mercurial-scm.org/


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