Re: [PATCH v4 3/3] config: add '--show-origin' option to print the origin of a config value

> On Mon, Feb 15, 2016 at 5:17 AM,  <larsxschneider@gmail.com> wrote:
>> If config values are queried using 'git config' (e.g. via --get,
>> --get-all, --get-regexp, or --list flag) then it is sometimes hard to
>> find the configuration file where the values were defined.
>> 
>> Teach 'git config' the '--show-origin' option to print the source
>> configuration file for every printed value.
>> 
>> Based-on-patch-by: Jeff King <peff@peff.net>
>> Signed-off-by: Lars Schneider <larsxschneider@gmail.com>
>> ---
>> diff --git a/builtin/config.c b/builtin/config.c
>> @@ -27,6 +28,7 @@ static int actions, types;
>> static const char *get_color_slot, *get_colorbool_slot;
>> static int end_null;
> 
> Not related to your changes, but I just realized that this variable
> really ought to be named 'end_nul' since we're talking about the
> character NUL, not a NULL pointer.
> 
>> static int respect_includes = -1;
>> +static int show_origin;
>> @@ -81,6 +83,7 @@ static struct option builtin_config_options[] = {
>>        OPT_BOOL('z', "null", &end_null, N_("terminate values with NUL byte")),
> 
> Likewise, the long option name should be --nul rather than --null, or
> the long name could be dropped altogether since some other commands
> just recognize short option -z.
> 
> There is no need for this patch series to address this anomaly; it's
> perhaps low-hanging fruit for someone wanting to join the project. The
> only very minor wrinkle is that we'd still need to recognize --null as
> a deprecated (and undocumented) alias for --nul.