How do I show the Maven POM hierarchy?

Question

I\'m doing some scripting and I need to get a list of all the parent poms for any given pom. The dependency plugin seems to be only interested in the dependencies that are

Answer 1

Basic solution

mvn org.apache.maven.plugins:maven-dependency-plugin:3.1:display-ancestors

If your project defines version 3.1 or later you can use:

mvn dependency:display-ancestors

The output looks similar to:

[INFO] Ancestor POMs: org.springframework.boot:spring-boot-starter-parent:1.4.0.RELEASE <- org.springframework.boot:spring-boot-dependencies:1.4.0.RELEASE

Improved solution

The hierarchy-maven-plugin (that I wrote) can display additional information about imported poms like this :

[INFO] Displaying hierarchy. Set level=full to display dependencies in dependencyManagement
[INFO]  PARENT org.springframework.boot:spring-boot-samples:1.4.1.BUILD-SNAPSHOT
[INFO]    PARENT org.springframework.boot:spring-boot-starter-parent:1.4.1.BUILD-SNAPSHOT
[INFO]      PARENT org.springframework.boot:spring-boot-dependencies:1.4.1.BUILD-SNAPSHOT
[INFO]        IMPORT org.springframework:spring-framework-bom:4.3.3.BUILD-SNAPSHOT
[INFO]        IMPORT org.springframework.data:spring-data-releasetrain:Hopper-BUILD-SNAPSHOT
[INFO]          PARENT org.springframework.data.build:spring-data-build:1.8.4.BUILD-SNAPSHOT
[INFO]        IMPORT org.springframework.integration:spring-integration-bom:4.3.1.RELEASE
[INFO]        IMPORT org.springframework.security:spring-security-bom:4.1.3.RELEASE

Details are here : https://github.com/ExampleDriven/hierarchy-maven-plugin