Re: [PATCH v3] config: learn the "onbranch:" includeIf condition

> Currently, if a user wishes to have individual settings per branch, they
> are required to manually keep track of the settings in their head and
> manually set the options on the command-line or change the config at
> each branch.
>
> Teach config the "onbranch:" includeIf condition so that it can
> conditionally include configuration files if the branch that is checked
> out in the current worktree matches the pattern given.
>
> Signed-off-by: Denton Liu <liu.denton@gmail.com>
> ---
>
> Thanks for the review, Johannes and Duy. I've incorporated both of your
> suggestions into this round.
>
> Notes:
>     Changes since v2:
>
>     * Run test-cases outside foo/ since the subdirectory is not necessary