D5227: pycompat: adding Linux detection and fixing Mac

[lothiraldan (Boris Feld)]

lothiraldan accepted this revision.
lothiraldan added a comment.


  LGTM and seems to be what psutil is doing also: https://github.com/giampaolo/psutil/blob/master/psutil/_common.py#L75

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D5227

To: rdamazio, #hg-reviewers, lothiraldan
Cc: lothiraldan, mercurial-devel