org.ajoberstar.gradle.git.publish.GitPublishPlugin Maven / Gradle / Ivy

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Gradle plugin for publishing to Git repositories
There is a newer version: 4.2.2
package org.ajoberstar.gradle.git.publish;

import java.nio.file.Path;

import org.ajoberstar.gradle.git.publish.tasks.GitPublishCommit;
import org.ajoberstar.gradle.git.publish.tasks.GitPublishPush;
import org.ajoberstar.gradle.git.publish.tasks.GitPublishReset;
import org.gradle.api.Plugin;
import org.gradle.api.Project;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.tasks.Copy;
import org.gradle.api.tasks.TaskProvider;
import org.gradle.util.GradleVersion;

public class GitPublishPlugin implements Plugin {
  @Override
  public void apply(Project project) {
    var extension = project.getExtensions().create("gitPublish", GitPublishExtension.class, project);

    // create the default
    extension.getPublications().create("main");

    // configure defaults and tasks for each publication
    extension.getPublications().configureEach(publication -> {
      configurePublicationDefaults(project, publication);

      var reset = createResetTask(project, publication);
      var copy = createCopyTask(project, publication);
      var commit = createCommitTask(project, publication);
      var push = createPushTask(project, publication);

      push.configure(t -> t.dependsOn(commit));
      commit.configure(t -> t.dependsOn(copy));
      copy.configure(t -> t.dependsOn(reset));
    });

    // add helper task to push all publications
    project.getTasks().register("gitPublishPushAll", task -> {
      task.setGroup("publishing");
      task.setDescription("Pushes all publications to git");
      task.dependsOn(project.getTasks().withType(GitPublishPush.class));
    });
  }

  private void configurePublicationDefaults(Project project, GitPublication publication) {
    publication.getCommitMessage().set("Generated by gradle-git-publish.");
    publication.getRepoUri().set(getOriginUriProvider(project.getProviders()));
    publication.getReferenceRepoUri().set(getGitDirProvider(project.getProviders()));
    publication.getRepoDir().set(project.getLayout().getBuildDirectory().dir("gitPublish/" + publication.getName()));
  }

  private TaskProvider createResetTask(Project project, GitPublication publication) {
    return project.getTasks().register(getTaskName(publication, "Reset"), GitPublishReset.class, task -> {
      task.setGroup("publishing");
      task.setDescription("Prepares a git repo for " + publication.getName() + " publication content to be generated.");
      task.getRepoDir().set(publication.getRepoDir());
      task.getRepoUri().set(publication.getRepoUri());
      task.getReferenceRepoUri().set(publication.getReferenceRepoUri());
      task.getBranch().set(publication.getBranch());
      task.getFetchDepth().set(publication.getFetchDepth());
      task.setPreserve(publication.getPreserve());
    });
  }

  private TaskProvider createCopyTask(Project project, GitPublication publication) {
    return project.getTasks().register(getTaskName(publication, "Copy"), Copy.class, task -> {
      task.setGroup("publishing");
      task.setDescription("Copy " + publication.getName() + " publication contents to be published to git.");
      task.with(publication.getContents());
      task.into(publication.getRepoDir());

      // do not track state added in Gradle 7.3
      if (GradleVersion.version("7.3").compareTo(GradleVersion.current()) <= 0) {
        task.doNotTrackState("Tracked by Git instead");
      }
    });
  }

  private TaskProvider createCommitTask(Project project, GitPublication publication) {
    return project.getTasks().register(getTaskName(publication, "Commit"), GitPublishCommit.class, task -> {
      task.setGroup("publishing");
      task.setDescription("Commits " + publication.getName() + " publication changes to be published to git.");
      task.getRepoDir().set(publication.getRepoDir());
      task.getMessage().set(publication.getCommitMessage());
      task.getSign().set(publication.getSign());
    });
  }

  private TaskProvider createPushTask(Project project, GitPublication publication) {
    return project.getTasks().register(getTaskName(publication, "Push"), GitPublishPush.class, task -> {
      task.setGroup("publishing");
      task.setDescription("Pushes " + publication.getName() + " publication changes to git.");
      task.getRepoDir().set(publication.getRepoDir());
      task.getBranch().set(publication.getBranch());
    });
  }

  private Provider getOriginUriProvider(ProviderFactory providers) {
    return providers.of(GitCliValueSource.class, spec -> {
      spec.getParameters().getGitArguments().addAll("remote", "get-url", "origin");
    });
  }

  private Provider getGitDirProvider(ProviderFactory providers) {
    return providers.of(GitCliValueSource.class, spec -> {
      spec.getParameters().getGitArguments().addAll("rev-parse", "--absolute-git-dir");
    });
  }

  private String getTaskName(GitPublication publication, String task) {
    if ("main".equals(publication.getName())) {
      return "gitPublish" + task;
    } else {
      var capitalizedName = publication.getName().substring(0, 1).toUpperCase() + publication.getName().substring(1);
      return "gitPublish" + capitalizedName + task;
    }
  }
}