i18n/polib.LICENSE

narrow: consider both local and remote matchers in narrowchangegroup

The existing code that picked one or the other seemed very
suspicious. This patch makes us intersect the local matcher with the
matcher from the remote, which seems better. It fixes one test case
and makes another one that used to crash no longer crash, but instead
silently succeed with a push that's lossy, so that remains to be
fixed.

The real reason for doing this now is that I'm going to move
narrowrepo.narrowmatch() onto localrepo and then it will always be
defined, which would otherwise break this code.

Differential Revision: https://phab.mercurial-scm.org/D2490

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