db/migrate/*_pettan_public_v??_licenses_attributes.rb
db/migrate/*_public_domain_v??_licenses_attributes.rb
db/migrate/*_unknown_v??_licenses_attributes.rb
db/migrate/*_pettan_public_v??_licenses_attributes.rb
db/migrate/*_public_domain_v??_licenses_attributes.rb
db/migrate/*_unknown_v??_licenses_attributes.rb