bug#39596: 26.3; Export INSIDE_EMACS with Eshell

[Federico Tedin]

Pierre Neidhardt <mail@ambrevar.xyz> writes:

> Thanks for looking at this, Federico!
>
> Your patch looks good to me, just one comment below:
>
>> --- a/lisp/eshell/em-dirs.el
>> +++ b/lisp/eshell/em-dirs.el
>> @@ -191,6 +191,9 @@ eshell-dirs-initialize
>>                      (unless (ring-empty-p eshell-last-dir-ring)
>>                        (expand-file-name
>>                         (ring-ref eshell-last-dir-ring 0))))
>> +            t)
>> +           ("INSIDE_EMACS" ,(lambda (_indices)
>> +                              (format "%s,eshell" emacs-version))
>>              t))))
>
> Why did you unquote the lambda here?

I need to unquote the lambda to get its value, right? Or maybe not, and
I'm misunderstanding how lambdas work. I did notice though that the
other lambdas in the list are unquoted.

- Fede