Re: [PATCH 6/6] hook: teach --porcelain mode

[Junio C Hamano <gitster@pobox.com>]

Emily Shaffer <emilyshaffer@google.com> writes:

> It might be desirable - for a user script, or a scripted Git command -
> to run the appropriate set of hooks from outside of the compiled Git
> binary. So, teach --porcelain in a way that enables the following:
>
>   git hook --list --porcelain pre-commit | xargs -I% sh "%"
>
> Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
> ---

> +--porcelain::
> +	Print in a machine-readable format suitable for scripting.
> +
> ...
> +static int print_hook_list(const struct strbuf *hookname, int porcelain)
>  {
>  	struct list_head *head, *pos;
>  	struct hook *item;
> @@ -25,10 +25,14 @@ static int print_hook_list(const struct strbuf *hookname)
>  
>  	list_for_each(pos, head) {
>  		item = list_entry(pos, struct hook, list);
> +		if (item) {
> +			if (porcelain)
> +				printf("%s\n", item->command.buf);
> +			else
> +				printf("%.3d\t%s\t%s\n", item->order,
> +				       config_scope_to_string(item->origin),
> +				       item->command.buf);
> +		}

So, a Porcelain script cannot learn where the hook command comes
from, or what the precedence order of each line of the output is?