tests/test-extra-filelog-entry.t

addset: drop caching through generatorset

The utility of this cache is debatable (no visible benchmark impact) and using
generatorset for such purpose makes the code complicated.

We drop it for now. Someone can reintroduce a smart version of it in the future
if it is detected to be relevant.

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    offset  length  ..... linkrev nodeid       p1           p2 (re)
       0         0       3  .....       0 1e88685f5dde 000000000000 000000000000 (re)