D6271: rust-filepatterns: add a Rust implementation of pattern-related utils

[durin42 (Augie Fackler)]

durin42 accepted this revision.
durin42 added a comment.
This revision is now accepted and ready to land.


  Meta-comment: we should extract an hgignore crate (with minimal other deps) and publish that, because that'd be a step towards automatic hgignore support in ripgrep (burntsushi has previously indicated that if there was a maintained hgignore crate that it'd be a doable feature).

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D6271

To: Alphare, #hg-reviewers, kevincox, durin42
Cc: durin42, kevincox, mercurial-devel