Mercurial > hg
annotate CONTRIBUTING @ 33475:f501322512b6
parsers: fix invariant bug in find_deepest (issue5623)
find_deepest is used to find the "best" ancestors given a list. In the main
loop it keeps an invariant called 'ninteresting' which is supposed to contain
the number of non-zero entries in the 'interesting' array. This invariant is
incorrectly maintained, however, which leads the the algorithm returning an
empty result for certain graphs. This has been fixed.
Also, the 'interesting' array is supposed to fit 2^ancestors values, but is
incorrectly allocated to twice that size. This has been fixed as well.
The tests in test-ancestor.py compare the Python and C versions of the code,
and report the error correctly, since the Python version works correct. Even
so, I have added an additional test against the expected result, in the event
that both algorithms have an identical error in the future.
This fixes issue5623.
author | Sune Foldager <cryo@cyanite.org> |
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date | Fri, 14 Jul 2017 13:48:17 +0200 |
parents | a492610a2fc1 |
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1 Our full contribution guidelines are in our wiki, please see: |
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2 |
a492610a2fc1
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3 https://www.mercurial-scm.org/wiki/ContributingChanges |
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Augie Fackler <augie@google.com>
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4 |
a492610a2fc1
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Augie Fackler <augie@google.com>
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5 If you just want a checklist to follow, you can go straight to |
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Augie Fackler <augie@google.com>
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6 |
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7 https://www.mercurial-scm.org/wiki/ContributingChanges#Submission_checklist |
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Augie Fackler <augie@google.com>
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8 |
a492610a2fc1
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Augie Fackler <augie@google.com>
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9 If you can't run the entire testsuite for some reason (it can be |
a492610a2fc1
contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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10 difficult on Windows), please at least run `contrib/check-code.py` on |
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Augie Fackler <augie@google.com>
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11 any files you've modified and run `python contrib/check-commit` on any |
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12 commits you've made (for example, `python contrib/check-commit |
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Augie Fackler <augie@google.com>
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13 273ce12ad8f1` will report some style violations on a very old commit). |