2.6 to 4.1.1 migration hell

So, I'm looking to migrate a typo 2.6 installation to 4.1.1.
 Fate is
clearly punishing me for my laziness in not upgrading
before.

In order to avoid hosing my production typo install I've
taken a copy
(via cp -dpR) of the existing typo install, and done a
dump/restore
from the production DB into a test DB.

RAILS_ENV is set to test; running  typo install
/home/rodgerd/typo-4.1.1

churns for a while and then:

 Migrating Typo's database to newest release
rake aborted!
Multiple migrations have the version number 1

(See full trace by running task with --trace)
/usr/local/ruby-1.8.6/lib/ruby/gems/1.8/gems/rails-app-insta
ller-0.2.0/lib/rails-installer.rb:530:in `migrate':
Migration failed (RailsInstaller::InstallFailed)
 
So, thinks I, I'll whack this with a bigger hammer, knowing
full well
it's probably a remarkably bad idea:

rake migrate VERSION=2 --trace

** Execute db:migrate
DEPRECATION WARNING: The inferred foreign_key name will
change in Rails 2.0 to use the association name instead of
its class name when they differ.  When using :class_name in
belongs_to, use the :foreign_key option to explicitly set
the key name to avoid problems in the transition.  See http://www.rub
yonrails.org/deprecation for details. (called from
./db/migrate//039_serialize_blog_attributes.rb:4)
rake aborted!
Multiple migrations have the version number 9
/home/rodgerd/typo-4.1.1/config/../vendor/rails/activerecord
/lib/active_record/migration.rb:354:in
`assert_unique_migration_version'

So, is this: 

1/ A problem between chair and keyboard or
2/ A problem with the migrate scripts?

And is the best solution likely to be:

1/ Wait for a rails guru to fix the migrate scripts,
2/ Spend a few days learning how to fix the migrate scripts,
or
3/ Uninstall 4.1.1, install 4.0, migrate 2.6 -> 4.0 and
thence to 4.1?

-- 
Rodger Donaldson		rodgerddiaspora.gen.nz
"Democracy is the worst form of government.  Except, of
course, for all
those other forms of government mankind has tried."
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