RFR: checkout: simplify conversion logic

[Robin Westberg]

On Thu, 21 Jan 2021 13:16:33 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch to simplify the logic for when to update the hosted storage used by the `checkout` bot.
> 
> Thanks,
> Erik

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/990