Integrated: pr: use separate scratch for commit-comments work item

[Robin Westberg]

On Thu, 25 Feb 2021 09:09:59 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch puts the materialized repositories for the `CommitCommensWorkItem` into a separate directory.
> 
> Testing:
> - [x] `make test` passes on Linux x64
> 
> Thanks,
> Erik

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/1036