Rev 1506: Start factoring out the upgrade policy logic. in /home/robertc/source/baz/bzr-dir/

[Robert Collins]

------------------------------------------------------------
revno: 1506
revision-id: robertc at robertcollins.net-20060216072025-8a97e0b2c3f3cc92
parent: robertc at robertcollins.net-20060216055402-bb6afc4d15c715cd
committer: Robert Collins <robertc at robertcollins.net>
branch nick: bzr-dir
timestamp: Thu 2006-02-16 18:20:25 +1100
message:
  Start factoring out the upgrade policy logic.
modified:
  bzrlib/bzrdir.py               bzrdir.py-20060131065624-156dfea39c4387cb
  bzrlib/errors.py               errors.py-20050309040759-20512168c4e14fbd
  bzrlib/tests/blackbox/test_upgrade.py test_upgrade.py-20060120060132-b41e5ed2f886ad28
  bzrlib/tests/branch_implementations/test_branch.py testbranch.py-20050711070244-121d632bc37d7253
  bzrlib/tests/test_bzrdir.py    test_bzrdir.py-20060131065654-deba40eef51cf220
  bzrlib/tests/test_errors.py    test_errors.py-20060210110251-41aba2deddf936a8
  bzrlib/transport/__init__.py   transport.py-20050711165921-4978aa7ce1285ad5
  bzrlib/upgrade.py              history2weaves.py-20050818063535-e7d319791c19a8b2