Mike McQuaid c3bf9bda58 update-test: improve error handling.
Fail if the start or end commit are missing and retry finding the
previous tag by fetching all tags if they are missing.

This should fix CI on the current Homebrew/brew `master` branch.

Closes #2404.
2017-03-28 15:31:16 +01:00
..
2017-03-06 11:35:48 -08:00
2016-10-02 00:24:47 +02:00
2017-03-22 21:38:41 +00:00
2017-03-22 21:23:00 +00:00
2016-10-02 00:24:47 +02:00
2017-03-21 09:31:09 -05:00