MailMover: Only run 'notmuch new' if any mails were actually moved #150
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When running
afew --move
, the notmuch database is always updated, even if notfiles were actually moved. Since this takes a non-trivial amount of time, the
time to run afew can actually be dominated by the database update, which is
annoying when putting afew into an automated 'check new mails' hook.
This adds a small optimisation where the database is only updated if any
messages were actually moved. This makes running
afew --move
substantiallyfaster in the common case were no messages need to be moved.
I realise this pull requests conflicts with some of the other open pull requests
that also touch MailMover; but since this one is fairly small, it should be
simple to incorporate in those as well :)