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

> On Fri, Aug 4, 2023 at 1:22 AM Matthias Aßhauer via GitGitGadget
> <gitgitgadget@gmail.com> wrote:
>> 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>
>> ---
>> diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt
>> @@ -204,9 +204,14 @@ as an alternative to `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.
>
> Micronit: SECURITYSESSIONID is not universal on macOS[1]; some people
> report its presence in iTerm2 and HyperTerm, and perhaps even Apple's
> own Terminal (although it's not defined for me in Terminal on High
> Sierra). Perhaps just say "may be set on macOS".