tests/test-extra-filelog-entry.t

hg-ssh: normalize the drive of the current working directory on windows

For some reason os.getcwd() can return either `c:` or `C:`. We normalize this to
`C:` and the like. This fix `test-ssh-bundle1.t` on windows.

Differential Revision: https://phab.mercurial-scm.org/D11042

Issue351: mq: qrefresh can create extra revlog entry

  $ echo "[extensions]" >> $HGRCPATH
  $ echo "mq=" >> $HGRCPATH

  $ hg init
  $ hg qinit

  $ echo b > b
  $ hg ci -A -m foo
  adding b

  $ echo cc > b
  $ hg qnew -f foo.diff
  $ echo b > b
  $ hg qrefresh

  $ hg debugindex b
     rev linkrev nodeid       p1           p2
       0       0 1e88685f5dde 000000000000 000000000000