dirstate: remove the python-side whitelist of allowed matchers This whitelist is too permissive because it allows matchers that contain disallowed ones deep inside, for example through `intersectionmatcher`. It is also too restrictive because it doesn't pass through some of the matchers we support, such as `patternmatcher`. It's also unnecessary because unsupported matchers raise `FallbackError` and we fall back anyway. Making this change makes more of the tests use rust code path, and therefore subtly change behavior. For example, rust status in largefiles repos seems to have strange behavior.

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from mercurial.utils import procutil

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# XXX: we should probably offer a devel option to do this in blackbox directly

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def getuser():

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    return b'bob'

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def getpid():

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    return 5000

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# mock the date and user apis so the output is always the same

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def uisetup(ui):

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    procutil.getuser = getuser

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    procutil.getpid = getpid