Migration Collapser

Collapse your rails migrations

Installation

gem install migration_collapser

Usage

First, load your production database:

mysql -u root my_dev_db < my_production_db.sql

Dump your production database (without data) in db/migrate/initial_schema.sql

mysqldump -u root --no-data my_dev_db > db/migrate/initial_schema.sql

Run the migration collapser from RAILS_ROOT:

collapse_migrations