Re: [PATCH v2] doc: hint about GIT_DEBUGGER

[Elijah Newren <newren@gmail.com>]

On Mon, May 20, 2019 at 6:01 PM Emily Shaffer <emilyshaffer@google.com> wrote:
>
> We check for a handy environment variable GIT_DEBUGGER when running via
> bin-wrappers/, but this feature is undocumented. Add a hint to how to
> use it into the CodingGuidelines (which is where other useful
> environment settings like DEVELOPER are documented).
>

Two very minor nits:

> It looks like you can use GIT_DEBUGGER to pick gdb by default, or you

I think it'd sound better without 'It looks like'; perhaps drop that part?

> can hand it your own debugger if you like to use something else (or if
> you want custom flags for gdb). Hopefully document that intent within
> CodingGuidelines.

Maybe just leave out 'Hopefully'?

>
> Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
> ---
>  Documentation/CodingGuidelines | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines
> index 32210a4386..e99af36df9 100644
> --- a/Documentation/CodingGuidelines
> +++ b/Documentation/CodingGuidelines
> @@ -412,6 +412,12 @@ For C programs:
>     must be declared with "extern" in header files. However, function
>     declarations should not use "extern", as that is already the default.
>
> + - You can launch gdb around your program using the shorthand GIT_DEBUGGER.
> +   Run `GIT_DEBUGGER=1 ./bin-wrappers/git foo` to simply use gdb as is, or
> +   run `GIT_DEBUGGER=my-debugger-binary my-args ./bin-wrappers/git foo` to
> +   use your own debugger and arguments. Example: `GIT_DEBUGGER="ddd --gdb"
> +   ./bin-wrappers/git log` (See `wrap-for-bin.sh`.)
> +

Other than the minor nits above:
Acked-by: Elijah Newren <newren@gmail.com>