view tests/test-revert-flags.t @ 39535:b9ee9c2e10dd

ancestor: unroll loop of parents in _lazyancestorsiter()

This change itself isn't major performance win, but it helps optimizing
the visit loop for contiguous chains. See the next patch.

#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 ..