com.itemis.maven.plugins.unleash.steps.actions.SetNextDevVersion Maven / Gradle / Ivy

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This plugin provides a generic alternative to the error-prone default release plugin provided by Maven. It is designed to require a minimal effort of work for releasing modules and being extensible to integrate in every project setup.
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package com.itemis.maven.plugins.unleash.steps.actions;

import java.util.List;
import java.util.Map;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.commons.lang3.StringUtils;
import org.apache.maven.model.Parent;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.project.MavenProject;
import org.w3c.dom.Document;

import com.google.common.collect.Maps;
import com.itemis.maven.aether.ArtifactCoordinates;
import com.itemis.maven.plugins.cdi.CDIMojoProcessingStep;
import com.itemis.maven.plugins.cdi.ExecutionContext;
import com.itemis.maven.plugins.cdi.annotations.ProcessingStep;
import com.itemis.maven.plugins.cdi.annotations.RollbackOnError;
import com.itemis.maven.plugins.cdi.logging.Logger;
import com.itemis.maven.plugins.unleash.ReleaseMetadata;
import com.itemis.maven.plugins.unleash.ReleasePhase;
import com.itemis.maven.plugins.unleash.scm.ScmProvider;
import com.itemis.maven.plugins.unleash.scm.requests.RevertCommitsRequest;
import com.itemis.maven.plugins.unleash.util.DevVersionUtil;
import com.itemis.maven.plugins.unleash.util.PomUtil;
import com.itemis.maven.plugins.unleash.util.functions.ProjectToCoordinates;
import com.itemis.maven.plugins.unleash.util.functions.ProjectToString;
import com.itemis.maven.plugins.unleash.util.scm.ScmPomVersionsMergeClient;
import com.itemis.maven.plugins.unleash.util.scm.ScmProviderRegistry;

/**
 * Updates the POMs of all modules of the project with the new development version, reverts all SCM changes so that the
 * SCM paths match the current branch again and commits the changes finally.
 *
 * @author Stanley Hillner
 * @since 1.0.0
 */
@ProcessingStep(id = "setDevVersion", description = "Updates the projects with the next development versions, reverts previous SCM path changes and finally commits the changes to the current branch.", requiresOnline = true)
public class SetNextDevVersion implements CDIMojoProcessingStep {
  @Inject
  private Logger log;
  @Inject
  private ReleaseMetadata metadata;
  @Inject
  MavenProject project;
  @Inject
  @Named("reactorProjects")
  private List reactorProjects;
  @Inject
  private ScmProviderRegistry scmProviderRegistry;
  @Inject
  @Named("scmMessagePrefix")
  private String scmMessagePrefix;
  @Inject
  private DevVersionUtil util;
  private ScmProvider scmProvider;
  private Map cachedPOMs;

  @Override
  public void execute(ExecutionContext context) throws MojoExecutionException, MojoFailureException {
    this.log.info("Preparing project modules for next development cycle.");

    this.scmProvider = this.scmProviderRegistry.getProvider();
    this.cachedPOMs = Maps.newHashMap();

    for (MavenProject project : this.reactorProjects) {
      this.log.debug("\tPreparing module '" + ProjectToString.INSTANCE.apply(project) + "'.");
      this.cachedPOMs.put(ProjectToCoordinates.EMPTY_VERSION.apply(project), PomUtil.parsePOM(project));

      try {
        Document document = PomUtil.parsePOM(project);
        setProjectVersion(project, document);
        setParentVersion(project, document);
        this.util.revertScmSettings(project, document);
        PomUtil.writePOM(document, project);
      } catch (Throwable t) {
        throw new MojoFailureException("Could not update versions for next development cycle.", t);
      }
    }

    this.util.commitChanges(true);
  }

  private void setProjectVersion(MavenProject project, Document document) {
    Map coordinatesByPhase = this.metadata
        .getArtifactCoordinatesByPhase(project.getGroupId(), project.getArtifactId());
    String oldVerion = coordinatesByPhase.get(ReleasePhase.RELEASE).getVersion();
    String newVersion = coordinatesByPhase.get(ReleasePhase.POST_RELEASE).getVersion();
    this.log.debug("\t\tUpdate of module version '" + project.getGroupId() + ":" + project.getArtifact() + "' ["
        + oldVerion + " => " + newVersion + "]");
    PomUtil.setProjectVersion(project.getModel(), document, newVersion);
  }

  private void setParentVersion(MavenProject project, Document document) {
    Parent parent = project.getModel().getParent();
    if (parent != null) {
      Map coordinatesByPhase = this.metadata
          .getArtifactCoordinatesByPhase(parent.getGroupId(), parent.getArtifactId());
      ArtifactCoordinates oldCoordinates = coordinatesByPhase.get(ReleasePhase.RELEASE);
      ArtifactCoordinates newCoordinates = coordinatesByPhase.get(ReleasePhase.POST_RELEASE);

      // null indicates that the parent is not part of the reactor projects since no release version had been calculated
      // for it
      if (newCoordinates != null) {
        this.log.debug("\t\tUpdate of parent version of module '" + project.getGroupId() + ":" + project.getArtifact()
            + "' [" + oldCoordinates.getVersion() + " => " + newCoordinates.getVersion() + "]");
        PomUtil.setParentVersion(project.getModel(), document, newCoordinates.getVersion());
      }
    }
  }

  @RollbackOnError
  public void rollback() throws MojoExecutionException {
    this.log.info(
        "Rollback of all pom changes necessary for setting of the development version as well as reverting any made SCM commits.");

    StringBuilder message = new StringBuilder(
        "Reversion of failed release build (step: setting of next snapshot version).");
    if (StringUtils.isNotBlank(this.scmMessagePrefix)) {
      message.insert(0, this.scmMessagePrefix);
    }

    RevertCommitsRequest revertCommitsRequest = RevertCommitsRequest.builder()
        .fromRevision(this.metadata.getScmRevisionAfterNextDevVersion())
        .toRevision(this.metadata.getScmRevisionBeforeNextDevVersion()).message(message.toString()).merge()
        .mergeClient(new ScmPomVersionsMergeClient()).push().build();
    this.scmProvider.revertCommits(revertCommitsRequest);

    for (MavenProject project : this.reactorProjects) {
      Document document = this.cachedPOMs.get(ProjectToCoordinates.EMPTY_VERSION.apply(project));
      if (document != null) {
        try {
          PomUtil.writePOM(document, this.project);
        } catch (Throwable t) {
          throw new MojoExecutionException(
              "Could not revert the setting of development versions after a failed release build.", t);
        }
      }
    }
  }
}