Re: [PATCH v4 6/9] hook: add -j/--jobs option to git hook run

> diff --git a/Documentation/git-hook.adoc b/Documentation/git-hook.adoc
> index e7d399ae57..b4c95a31a8 100644
> --- a/Documentation/git-hook.adoc
> +++ b/Documentation/git-hook.adoc
> @@ -140,6 +141,18 @@ OPTIONS
>  	mirroring the output style of `git config --show-scope`. Traditional
>  	hooks from the hookdir are unaffected.
>  
> +-j::
> +--jobs::
> +	Only valid for `run`.
> ++
> +Specify how many hooks to run simultaneously. If this flag is not specified,
> +the value of the `hook.jobs` config is used, see linkgit:git-config[1]. If
> +neither is specified, defaults to 1 (serial execution). Some hooks always run
> +sequentially regardless of this flag or the `hook.jobs` config, because git
> +knows they cannot safely run in parallel: `applypatch-msg`, `pre-commit`,
> +`prepare-commit-msg`, `commit-msg`, `post-commit`, `post-checkout`, and
> +`push-to-checkout`.