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Upgrading to v3.0.0

  • Follow the various guides for converting from Rails 3.x to Rails 4
  • Run bundle exec rake app:community_engine:install:migrations
  • Run rake db:migrate
  • Run rake test && take community_engine:test

Some things may not be compatible; some of the views and forms have changed.

Upgrading to v1.2.1

  • Run ruby script/generate plugin_migration
  • Run rake db:migrate
  • Run rake test && rake community_engine:test

Upgrading to v1.2.0

  • Run ruby script/generate plugin_migration
  • Run rake db:migrate
  • Run rake test && rake community_engine:test

To migrate existing private messages to the new threaded message format, run rake community_engine:add_threads_to_existing_messages on your production server (CAREFUL: make backups first!)

Upgrading to v1.1.0

  • Run ruby script/generate plugin_migration
  • Run rake db:migrate
  • Run rake test && rake community_engine:test

Upgrading to v1.0.4.2

  • Run rake gems:install
  • Run ruby script/generate plugin_migration
  • Run rake db:migrate
  • Run rake test && rake community_engine:test

That's it!

Note: this version adds a counter_cache to taggings, so you may need to update the counter on your existing tags by doing something like:

ActsAsTaggableOn::Tag.all.each do |tag|
        tag.update_counters tag.id, :taggings_count => tag.taggings.length
end

If you have many tags, this could take a while.

Upgrading to v1.0.4

  • Run ruby script/generate plugin_migration.
  • Make sure you have the following in your environment.rb:

    config.gem 'authlogic'
    config.gem 'icalendar'
    config.gem 'calendar_date_select'
    
  • Run rake db:migrate

That's it!

Upgrading v1.0.2

Beginning with CE v.1.0.2, we have started using the Desert gem instead of the Engines plugin. Desert does many of the things the Engines plugin did, but also allows model code mixing. Also, in light of Engine's inclusion into Rails core, it appeared many of the features CE loves about Engines (plugin migrations, asset helpers, code mixing) were going to be dropped.

Upgrading an Engines-based CE app to use the new Desert-based CE is easy:

  1. Modify your environment.rb as indicated in step #6 of README.markdown.

  2. Delete the engines plugin directory (rm -rf vendor/plugins/engines). If you had submoduled it, make sure to delete the submodule info as well:

    • Delete the relevant line from the .gitmodules file
    • Delete the relevant section from .git/config
    • Run git rm --cached vendor/plugins/engines (no trailing slash)
    • Run rm -rf vendor/plugins/engines
    • Commit your changes
  3. Run rake:rails:update (coming from anything < Rails 2.3)

  4. Update your app's test_helper.rb, replacing Test::Unit::TestCase with ActiveSupport::TestCase

  5. Run rake test && rake community_engine:test

Notes

If you have old migrations from the Engines-based CE, you may experience some problems if you try to migrate your db from version 0. That's because the old plugin migrations used the Engines.plugins["community_engine"].migrate(version_number) format. You'll need to replace all those with migrate_plugin(:community_engine, version_number).

Here's a regex that might help you in doing that:

Find:

(Engines|Rails)\.plugins\[\"community_engine\"\]\.migrate\(([0-9]+)\)

Replace:

migrate_plugin(:community_engine, $2)`

Also, you need to run rake community_engine:db:migrate:upgrade_desert_plugin_migrations before you migrate any new CE migrations, to ensure your plugin migrations are listed in the correct table. Please note that you'll have to do this (carefully, and with backups) in production as well. Please post any questions to the CE Google Group.

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