Re: [PATCH v2 3/3] docs: update when `git bisect visualize` uses `gitk`

> From: =?UTF-8?q?Matthias=20A=C3=9Fhauer?= <mha1993@live.de>
>
> This check has involved more environment variables than just `DISPLAY` since
> 508e84a790 (bisect view: check for MinGW32 and MacOSX in addition to X11,
> 2008-02-14), so let's update the documentation accordingly.
>
> Signed-off-by: Matthias Aßhauer <mha1993@live.de>
> ---
>  Documentation/git-bisect.txt | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt
> index fbb39fbdf5d..bec8d2abb22 100644
> --- a/Documentation/git-bisect.txt
> +++ b/Documentation/git-bisect.txt
> @@ -204,9 +204,14 @@ as an alternative to `visualize`):
>  $ git bisect visualize
>  ------------
>  
> -If the `DISPLAY` environment variable is not set, 'git log' is used
> -instead.  You can also give command-line options such as `-p` and
> -`--stat`.
> +Git detects a graphical environment through various environment variables:
> +`DISPLAY`, which is set in X Window System environments on Unix systems.
> +`SESSIONNAME`, which is set under Cygwin in interactive desktop sessions.
> +`MSYSTEM`, which is set under Msys2 and Git for Windows.
> +`SECURITYSESSIONID`, which is set on macOS in interactive desktop sessions.