D1909: cmdutil: add a kludge to make bytes repr() the same on 2 and 3

[yuja (Yuya Nishihara)]

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


  This looks ugly, but seems okay. Since `sysstr()` decodes bytes as latin-1,
  8-bit characters will be escaped by `\x`, not by `\u`.

REPOSITORY
  rHG Mercurial

REVISION DETAIL
  https://phab.mercurial-scm.org/D1909

To: durin42, #hg-reviewers, yuja
Cc: yuja, mercurial-devel