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Install

There are a few ways to set up Liquibase Linter, depending on how you're using Liquibase.

Maven​

Using the liquibase-linter-maven-plugin​

If you just want to lint your liquibase scripts during build, but are not already using the liquibase-maven-plugin, you probably want to use the maven plugin provided by Liquibase Linter:

  1. Add the liquibase-linter-maven-plugin to your pom.
  2. Add lqlint.json to the src/test/resources directory of your project. This is the default location, but you can change it in the plugin configuration.

See this simple example maven project to help get you started.

<plugin>
  <groupId>io.github.liquibase-linter</groupId>
  <artifactId>liquibase-linter-maven-plugin</artifactId>
  <version>0.15.1</version>
  <configuration>
    <changeLogFile>src/main/resources/config/liquibase/master.xml</changeLogFile>
    <!-- This is the default value for configurationFile -->
    <configurationFile>src/test/resources/lqlint.json</configurationFile>
  </configuration>
  <executions>
    <execution>
      <id>lint-liquibase-scripts</id>
      <goals>
        <goal>check</goal>
      </goals>
    </execution>
  </executions>
</plugin>

Using the liquibase-maven-plugin​

If you're already using the liquibase-maven-plugin, you can add liquibase-parser-extension that will lint automatically your scripts when they're parsed by Liquibase, using the Extensions feature in Liquibase:

  1. Add liquibase-parser-extension as a dependency of the Liquibase Maven plugin:
  2. Add lqlint.json to the root of your project

See this simple example maven project to help get you started

<plugin>
  <groupId>org.liquibase</groupId>
  <artifactId>liquibase-maven-plugin</artifactId>
  <configuration>...</configuration>
  <dependencies>
    <dependency>
      <groupId>io.github.liquibase-linter</groupId>
      <artifactId>liquibase-parser-extension</artifactId>
      <version>0.15.1</version>
    </dependency>
  </dependencies>
  <executions>...</executions>
</plugin>

Gradle​

  1. Add liquibase-parser-extension as a dependency of the Liquibase Gradle plugin:
  2. Add lqlint.json to the lqlint directory under the root of your project

See this simple example gradle project to help get you started

dependencies {
    liquibaseRuntime 'org.liquibase:liquibase-core:4.29.2'
    liquibaseRuntime 'org.liquibase:liquibase-groovy-dsl:4.0.0'
    liquibaseRuntime 'org.hsqldb:hsqldb:2.5.0'
    liquibaseRuntime 'io.github.liquibase-linter:liquibase-parser-extension:0.15.1'
    liquibaseRuntime files('lqlint')
}

Command Line​

  1. Start with the latest Liquibase release zip.
  2. Download the latest Liquibase Linter jar from maven central and download the dependencies required by Liquibase Linter, then add them to the lib directory.
  3. Add your lqlint.json configuration file to the lib directory.

Compatibility​

It doesn't matter whether you use Liquibase scripts written in XML, JSON or YAML, they will be linted just the same.

Liquibase Linter has been tested with Liquibase versions 4.0 through to the latest version, so you can confidently use it with those. We'll be working to keep up with newer versions of Liquibase as they happen.

As for Java support, Liquibase Linter needs at least Java 8, but you should have no issues with higher versions, unless they are with Liquibase itself.