This is derived work of "MySQL Shell". Original work is licensed under GPLv2, so this script is licensed under GPLv2 too.

A Simple bash shell script to keep a series of migration logs for all changes made to a MySQL database schema This script requires the Perl based mysqldiff tool in order to work properly.

How do you make money from free software? One way is to make an "Enterprise" version that you charge for, make the free version harder to find and use, and start using scary words like "indemnity ...