Maxim Belkin 27a2dba340
update/update-reset: warn when no origin remote
Current situation with update.sh & update-reset.sh:

Upon creating a new tap and before adding remote 'origin' to it,
running `brew update` produces multiple cryptic error messages.
This change converts these cryptic Git messages into clear warnings
about absent remote 'origin'.

How to test:
1. Create a new tap using `brew tap-new`
2. Run `brew update`
2022-04-26 08:35:27 -07:00
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