RFR: forge: add method diffUrl to PullRequest

[Robin Westberg]

On Thu, 20 Feb 2020 10:14:33 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this small patch that adds the method `PullRequest::diffUrl`.
> Although the implementation is the same for both `GitHubPullRequest` and
> `GitLabMergeRequest` I chose to not do a `default` method to highlight that this
> is more of a coincidence than a rule.
> 
> Thanks,
> Erik

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/459