<target name="update-database" depends="prepare">
<fail unless="db.changelog.file">db.changelog.file not set</fail>
<fail unless="database.url">database.url not set</fail>
<fail unless="database.username">database.username not set</fail>
<fail unless="database.password">database.password not set</fail>
<taskdef resource="liquibasetasks.properties">
<classpath refid="classpath"/>
</taskdef>
<dbDoc
changeLogFile="${db.changelog.file}"
driver="${database.driver}"
url="${database.url}"
username="${database.username}"
password="${database.password}"
outputDirectory="/path/to/doc/root/directory"
classpathref="classpath"
>
</dbDoc>
</target>