RFR: 211: git-pr: add status subcommand

[Robin Westberg]

On Wed, 18 Dec 2019 08:59:20 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that adds the beginnings of the `git pr status`
> subcommand. The output of `git pr status` is currently:
> 
> $ git pr status 339
> Status: RFR
> Checks:
> - jcheck: OK
> 
> I plan to add more information for individual checks. There are also two flags
> supported, `--no-decoration` and `--no-checks`. If a user just wants the "raw"
> status on standard out, then the following would be used:
> 
> $ git pr status --no-decoration --no-checks 339
> RFR
> 
> This output is mainly intended for those that for example want to use the status
> of a pull request in their own scripts.
> 
> Thanks,
> Erik
> 
> ## Testing
> - [x] Manual testing of `git pr status`

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/340