[ESS] ESS process on Docker containers and enabing Flymake

[Alex Branham]

On Wed 19 Feb 2020 at 18:20, Shreyas Ragavan <shreyas using fastmail.com> wrote:

>> You need to install the lintr package.
>
> So ESS actually needs the R package lintr installed to enable linting.
> It seems strange to me that I have to open R and install a package to
> get an 'IDE' functionality. Perhaps I am mistaken in my thinking.

This is pretty standard behavior, I think. You'll find the same thing
with Rstudio, IIRC.

> The elisp I'm using is below. I'm not sure if I need to set them to be TRUE or something.
>
> (setq ess-use-flymake "lintr::with_defaults(
> "commas_linter",
> "commented_code_linter",
> "infix_spaces_linter",
> "line_length_linter",
> "object_length_linter",
> "object_name_linter",
> "object_usage_linter",
> "open_curly_linter",
> "pipe_continuation_linter",
> "single_quotes_linter",
> "spaces_inside_linter",
> "spaces_left_parentheses_linter",
> "trailing_blank_lines_linter",
> "trailing_whitespace_linter")")

You're not setting up the linters quite correctly. They need to look
like line_length_linter = line_length_linter(120). Their behavior is
documented --- start at ?lintr::with_defaults.

Alex