tests/test-revert-flags.t

httppeer: properly gate debug usage behind debug flag check

The "dbg" local variable is only defined if the 'debugflag' is set to True.
However, it was used indiscriminately later in the function. We hide its usage
behind the 'debugflag' value to avoid raising a NameError.

#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 ..