Website staged deployment script based on Capistrano

I am looking for somebody that can build a Capistrano based webdeployment script which supports Staged PHP/MySQL deployment. The project is required to be deliverred before 20th of december. Some high level requirements (detailed requirements to be send after project acceptance) Script must support: - Deployment of Website - Deployment of MySQL - Multi staged deployment ( TEST, CERT, PROD ) - Deployment Rollback posibilities - Handles configurations (deploys different files based on deployment target) Sequence: - Show overview of differences between source and target - Source is local file system if uploading to TEST and BitBucket Repository if uploading to CERT/PROD - Auto check-in code to Bitbucket (If released to TEST) - Backup remote directories - Backup remote MySQL DB - Set Website to Unavailable - Upload Website - Upload MySQL new structure (data cannot be affected) - (Optional) Start MySQL data convertion script - Set Website into Live state - Rollback of the performed activities if the system is not working Configuration: - Different servers and location for TEST/CERT/PROD - Different Account/Password for Bitbucket checkin per server - Database server can be different from the file location server