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copies: consider nullrev a common ancestor...
copies: consider nullrev a common ancestor I've seen many bugs in the git codebase that were caused by it not having a null revision and being forced to treat root commits differently. Mercurial has a null revision and I think it's generally a bug to treat it differently from other commits in graph algorithms. This effectively undoes 83cfa1baf8ad (copies: don't report copies with unrelated branch, 2010-01-01). The test cases that that commit added still passes. I suspect some other fix after that commit made it unnecessary. Differential Revision: https://phab.mercurial-scm.org/D5594
Martin von Zweigbergk -
r41437:b80af070 default
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Mercurial

Mercurial is a fast, easy to use, distributed revision control tool for software developers.

Basic install:

$ make            # see install targets
$ make install    # do a system-wide install
$ hg debuginstall # sanity-check setup
$ hg              # see help

Running without installing:

$ make local      # build for inplace usage
$ ./hg --version  # should show the latest version

See https://mercurial-scm.org/ for detailed installation instructions, platform-specific notes, and Mercurial user information.