patchCompletion: Add support for --submodule=diff

> Hi,
> 
> > Teach git-completion.bash about the 'diff' option to 'git diff
> > --submodule=', which was added in Git 2.11.
> 
> I posted this patch back in December, but I've not heard anything. I'm
> sure as maintainers you're all quite busy, but I was wondering how
> long it usually takes to get a response to patches? (also whether I'd
> gotten some part of the submission process wrong?)
> 
> Thanks,
> Peter

>> Teach git-completion.bash about the 'diff' option to 'git diff
>> --submodule=', which was added in Git 2.11.
>
> I posted this patch back in December, but I've not heard anything. I'm
> sure as maintainers you're all quite busy, but I was wondering how
> long it usually takes to get a response to patches? (also whether I'd
> gotten some part of the submission process wrong?)

> Peter Law <peterjclaw@gmail.com> writes:
>
>>> Teach git-completion.bash about the 'diff' option to 'git diff
>>> --submodule=', which was added in Git 2.11.
>>
>> I posted this patch back in December, but I've not heard anything. I'm
>> sure as maintainers you're all quite busy, but I was wondering how
>> long it usually takes to get a response to patches? (also whether I'd
>> gotten some part of the submission process wrong?)
>
> When there is clear "subsystem maintainer(s)" in the area, I try to
> refrain from commenting until they speak up, and completion scripts
> are one of these areas.  I usually ping them after a few days but in
> December with holidays and things people are usually slow, and so
> was I X-<.
>
> Will pick it up.  Thanks for a reminder; you absolutely did the
> right thing (i.e. sending it out with people who are likely to know
> about the area CC'ed, waiting for a while and then sending a
> reminder).

> From: Peter Law <PeterJCLaw@gmail.com>
>
> Teach git-completion.bash about the 'diff' option to 'git diff
> --submodule=', which was added in Git 2.11.
>
> Signed-off-by: Peter Law <PeterJCLaw@gmail.com>
> ---
>  contrib/completion/git-completion.bash | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index 21016bf8d..ab11e7371 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -1206,7 +1206,7 @@ _git_describe ()
>
>  __git_diff_algorithms="myers minimal patience histogram"
>
> -__git_diff_submodule_formats="log short"
> +__git_diff_submodule_formats="diff log short"
>
>  __git_diff_common_options="--stat --numstat --shortstat --summary
>                         --patch-with-stat --name-only --name-status --color
> --
> 2.11.0
>