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

> From: Lars Schneider <larsxschneider@gmail.com>
> 
> 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>
> ---
>  Documentation/git-config.txt |  15 +++--
>  builtin/config.c             |  33 ++++++++++
>  t/t1300-repo-config.sh       | 153 +++++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 196 insertions(+), 5 deletions(-)