[Changed Subscribers] D10912: rhg: add ui.plain() and check it before showing relative paths in status

[SimonSapin]

SimonSapin added inline comments.

INLINE COMMENTS

> ui.rs:70-73
> +        match env::var("HGPLAIN") {
> +            Ok(_) => true,
> +            Err(_) => false,
> +        }

This can be spelled `env::var("HGPLAIN").is_ok()`.

However `env::var` has two error cases. If we only want to check for the presence of a variable regardless of its Unicode validity, `env::var_os("HGPLAIN").is_some()` should be used instead.

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D10912/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D10912

To: pulkit, #hg-reviewers
Cc: SimonSapin, mercurial-patches
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