match: fix the rust-side bug in visit_children_set for rootfilesin matchers The fix is checked by `test_pattern_matcher_visit_children_set` test, which is what caught the bug in the first place, but also by an end-to-end test that I made for this purpose. Accept the new results of Cargo tests Many of these were already annotated with "FIXME", which is a good sign.

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from mercurial.i18n import _

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from mercurial import changegroup, error, extensions

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def abort(orig, *args, **kwargs):

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    raise error.Abort(_('this is an exercise'))

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def uisetup(ui):

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    extensions.wrapfunction(changegroup, 'getbundler', abort)