tree 8aea541edef4b2ff30b81da4d8cb5aa6b5a02943
parent 020c855ecbc17c94edf69b26b9e6f07e6b54c442
author stuartmorgan <stuartmorgan@google.com> 1636573595 -0500
committer GitHub <noreply@github.com> 1636573595 -0800
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[flutter_plugin_tools] Add 'main' support (#4474)

Treat `main` the same as `master` for branch-based switching, in
preparation for switching the branch names in Flutter repositories.

Also updates all of the tests that used `master` as the explicit base to
use `main` instead; what the tests use is arbitrary, so they can be
switched now even though the repo itself hasn't switched.

Part of https://github.com/flutter/flutter/issues/90476