tests/test-revert-flags.t

tests: allow more flexibility in git diffstat output

The output of 'git diff --stat' changed in git 1.7.10 and 1.7.11.
To ensure the tests work with earlier versions of git as well,
the output is now wrapped with a whitespace regex.

#require execbit

  $ hg init repo
  $ cd repo
  $ echo foo > foo
  $ chmod 644 foo
  $ hg ci -qAm '644'

  $ chmod 755 foo
  $ hg ci -qAm '755'

reverting to rev 0

  $ hg revert -a -r 0
  reverting foo
  $ hg st
  M foo
  $ hg diff --git
  diff --git a/foo b/foo
  old mode 100755
  new mode 100644

  $ cd ..