http://www.liquibase.org/documentation/command_line.html
This could provide an easy means of building a tool to check the validity of a liquibase migration script (it would be good to use this as a preview).
I would recommend using the xml version of the migration scripts. YAML is too odd and has so little tool support. We lost an hours development time by a misplaced space in an index file…
Developer Rants 