bug#27817: 26.0.50; Dired: Support eshell/ls from the beginning if user want to

[Tino Calancha]

Tino Calancha <tino.calancha@gmail.com> writes:

> An user must be able to use Dired with eshell/ls at the
> beginning even if s?he doesn't have installed an external
> "ls" program.
>
> I) emacs -Q -l em-ls
> M-: (progn
>       (setq insert-directory-program "foobar-ls"
>             eshell-ls-use-in-dired t)
>       (dired source-directory)) RET
;; Sorry, previous form should be as follows (in order to
;; `insert-directory' get the advice):
M-x: (progn
       (setq insert-directory-program "foobar-ls")
       (customize-set-variable 'eshell-ls-use-in-dired t)
       (dired source-directory))