<modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-clean-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>
    A test plugin to assist testing of Maven core.
  </description>

import javax.inject.Singleton;

/**
 * {@code clean} lifecycle provider.
 */
@Named(CleanLifecycleProvider.LIFECYCLE_ID)
@Singleton
public final class CleanLifecycleProvider extends AbstractLifecycleProvider {
    static final String LIFECYCLE_ID = "clean";

    // START SNIPPET: clean
    private static final String[] PHASES = {"pre-clean", "clean", "post-clean"};

getCacheMissed(Object, int); public Object put(Object, Object); public Object remove(Object); public boolean containsKey(Object); public int size(); public boolean isEmpty(); public boolean containsValue(Object); public void putAll(java.util.Map); public void clear(); public java.util.Set keySet(); public java.util.Collection values(); public java.util.Set entrySet(); public boolean equals(Object); public int hashCode(); } org/codehaus/plexus/util/cli/Commandline$Argument.class package org.codehaus.plexus.util.cli;...

<?xml version="1.0" encoding="UTF-8"?>
<metadata>
  <plugins>
    <plugin>
      <name>Maven Integration Test Plugin</name>
      <prefix>clean</prefix>
      <artifactId>maven-clean-plugin</artifactId>
    </plugin>
    <plugin>
      <name>Maven Integration Test Plugin</name>
      <prefix>deploy</prefix>
      <artifactId>maven-deploy-plugin</artifactId>
    </plugin>
    <plugin>
      <name>Maven Integration Test Plugin</name>

                result.getManagedVersions(),
                result.getResolutionRepositories());

        cache.put(cacheKey, cacheRecord);
    }

    public void flush() {
        cache.clear();
    }

     * in <code>ArtifactScopeEnum</code>
     *
     * @param graph the "dirty" graph to be simplified via conflict resolution
     * @param scope scope for which the graph should be resolved
     *
     * @return resulting "clean" graph for the specified scope
     *
     * @since 3.0
     */
    MetadataGraph resolveConflicts(MetadataGraph graph, ArtifactScopeEnum scope)
            throws GraphConflictResolutionException;

    private boolean hasBeenPackagedDuringThisSession(MavenProject project) {
        boolean packaged = false;
        for (String phase : getLifecycles(project)) {
            switch (phase) {
                case "clean":
                    packaged = false;
                    break;
                case "package":
                case "install":
                case "deploy":
                    packaged = true;

        sh "ls -lrt ${env.WORKSPACE}/apache-maven/target/"
        withEnv(["JAVA_HOME=${ tool "JDK 1.8 (latest)" }", "PATH+MAVEN=${tool 'Maven 3.6.3'}/bin:${env.JAVA_HOME}/bin"]) {
          sh "mvn clean install -V -B -Prun-its,embedded -Dmaven.test.failure.ignore -Dmaven.repo.local=${env.WORKSPACE}/repo -DmavenDistro=${env.WORKSPACE}/apache-maven/target/apache-maven-bin.zip"
        }
      }
    }
  }
  post {

  This way you can make sure you're not wasting your time on something that isn't
  considered to be in Apache Maven's scope.
+ Submit a ticket for your issue, assuming one does not already exist.
  + Clearly describe the issue, including steps to reproduce when it is a bug.
  + Make sure you fill in the earliest version that you know has the issue.
+ Fork the repository on GitHub.

Making and Submitting Changes
--------------

// wiring and reference and external source for the lifecycle configuration.
@Named
@Singleton
public class DefaultLifecycles {
    public static final String[] STANDARD_LIFECYCLES = {"clean", "default", "site", "wrapper"};

    private final Logger logger = LoggerFactory.getLogger(getClass());

    // @Configuration(source="org/apache/maven/lifecycle/lifecycles.xml")

    private final Lookup lookup;