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exists-maven-plugin

Check if a maven artifact exists. Designed around the use case of skipping deployment if the stable version already exists.

Goals

There are two goals: local checks if the just built artifact is already in the local repository; and remote checks if the just built artifact is already in the remote repository.

Mojo details at plugin info

Parameters

Every parameter can be set with a maven property exists.<parameter_name>. e.g. skip parameter can be set from command line -Dexists.skip=true

Parameter Default Description
project ${project.groupId}:${project.artifactId}:${project.version} The project within the repository to query
artifact ${project.artifactId}-${project.version}.{packaging} The artifact within the project to query
property ${maven.deploy.skip} or ${maven.install.skip} The property to receive the result of the query
userProperty false If the property should be set as a user property, to be available in child projects
skipIfSnapshot true Skip the query if the project ends with -SNAPSHOT
repository ${project.distributionManagement.repository.url} For remote goal, the repository to query for artifacts
snapshotRepository ${project.distributionManagement.snapshotRepository.url} For remote goal, the repository to query for snapshot artifacts
serverId ${project.distributionManagement.repository.id} For remote goal, the server ID to use for authentication and proxy settings
snapshotServerId ${project.distributionManagement.snapshotRepository.id} For remote goal, the server ID to use for snapshot authentication and proxy settings
failIfExists false Fail the build if the artifact already exists
failIfNotExists false Fail the build if the artifact does not exist
cmpChecksum false Compare checksums of artifacts
failIfNotMatch false Fail the build if the artifact exists and cmpChecksum is set and checksums do not match
skip false Skip executing the plugin

Requirements

  • Maven 3.5 or later
  • Java 1.8 or later

Typical Use

  <build>
    <plugins>

      <plugin>
        <groupId>org.honton.chas</groupId>
        <artifactId>exists-maven-plugin</artifactId>
        <version>0.4.0</version>
        <executions>
          <execution>
            <goals>
              <goal>remote</goal>
            </goals>
          </execution>
        </executions>
      </plugin>

    </plugins>
  </build>