Re: [PATCH 4/5] grep: introduce new config option to include untracked files

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

Dragan Simic <dsimic@manjaro.org> writes:

> Add new configuration option grep.includeUntracked that enables --untracked
> option by default.  This pretty much follows the logic established by the
> already existing configuration option grep.fallbackToNoIndex, while also
> respecting the dependencies of the --untracked option.
>
> Also add a few automated tests to the t7810, to cover the new configuration

Do we have any non-automated tests in t7810?

> option by replicating the already existing tests for --untracked.
>
> Signed-off-by: Dragan Simic <dsimic@manjaro.org>
> ---
>  builtin/grep.c  | 3 +++
>  t/t7810-grep.sh | 9 +++++++++
>  2 files changed, 12 insertions(+)
>
> diff --git a/builtin/grep.c b/builtin/grep.c
> index af89c8b5cb19..71d94126fb6e 100644
> --- a/builtin/grep.c
> +++ b/builtin/grep.c
> @@ -1041,6 +1041,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
>  		the_repository->settings.command_requires_full_index = 0;
>  	}
>  
> +	if (use_index && !cached)
> +		git_config_get_bool("grep.includeuntracked", &untracked);

Can this ever return an error?  E.g.

	[grep] includeuntracked = "not really"

How badly would setting this configuration variable break third
party tools that assume their "git grep" invocation without the
"--untracked" option would not yield hits from untracked files?