tests/test-strict.t

rebase: fix bug that prevented dry-run rebases from printing failures

As far as I can tell it should be fine to unconditionally skip
_prepareabortorcontinue if we're in the process of raising an Abort
here.

Differential Revision: https://phab.mercurial-scm.org/D6226

  $ hg init

  $ echo a > a
  $ hg ci -Ama
  adding a

  $ hg an a
  0: a

  $ hg --config ui.strict=False an a
  0: a

  $ echo "[ui]" >> $HGRCPATH
  $ echo "strict=True" >> $HGRCPATH

  $ hg an a
  hg: unknown command 'an'
  (use 'hg help' for a list of commands)
  [255]
  $ hg annotate a
  0: a

should succeed - up is an alias, not an abbreviation

  $ hg up
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved