tests/test-extra-filelog-entry.t

localrepo: only use 'bookmarksinstore' requirement if we have 'store'

This adds check that whether we have the 'store' requirement or not. If we don't
have that, we skip adding the 'bookmarksinstore' requirement and warn user about
it.

Differential Revision: https://phab.mercurial-scm.org/D8771

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