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narrowspec: limit patterns to path: and rootfilesin: (BC)
Some matcher patterns are computationally expensive and may even
have security issues (e.g. evaluating some file sets). For these
reasons, we want to limit the types of matcher patterns that can
be used in narrow specs and by command line arguments used for
defining narrow specs.
This commit teaches ``narrowspec.parsepatterns()`` to validate the
pattern types against "safe" patterns.
Surprisingly, no existing tests broke. So tests for the feature
have been added.
We also added a function to validate a patterns data structure.
This will be used in future commits.
Differential Revision: https://phab.mercurial-scm.org/D4522
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Tue, 11 Sep 2018 15:25:35 -0700 |
| parents | 1b59287a1cfa |
| children | c5912e35d06d |
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