Re: [PATCH v6 3/3] status: always show tracking branch even no change

> In order to see what the current branch is tracking, one way is using
> "git branch -v -v", but branches other than the current are also
> reported. Another way is using "git status", such as:
>
>     $ git status
>     # On branch master
>     # Your branch is ahead of 'origin/master' by 1 commit.
>     ...
>
> But this will not work if there is no change between the current
> branch and its upstream. What if report upstream tracking info
> always even if there is no difference. E.g.
>
>     $ git status
>     # On branch feature1
>     # Your branch is identical to 'github/feature1'.
>     ...
>
>     $ git status -bs
>     ## feature1...github/feature1
>     ...
>
>     $ git checkout feature1
>     Already on 'feature1'
>     Your branch is identical to 'github/feature1'.
>     ...