com.github.danielflower.mavenplugins.release.BaseMojo Maven / Gradle / Ivy

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A maven release plugin built for multi-maven-module git repositories allowing continuous deployment
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package com.github.danielflower.mavenplugins.release;

import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
import org.apache.maven.settings.Server;
import org.apache.maven.settings.Settings;
import org.eclipse.jgit.transport.JschConfigSessionFactory;

import java.util.List;

import static java.lang.String.format;

/**
 * @author Roland Hauser [email protected]
 *
 */
public abstract class BaseMojo extends AbstractMojo {
	/**
	 * The Maven Project.
	 */
	@Parameter(property = "project", required = true, readonly = true, defaultValue = "${project}")
	protected MavenProject project;

	@Parameter(property = "projects", required = true, readonly = true, defaultValue = "${reactorProjects}")
	protected List projects;

	/**
	 * 
	 * The build number to use in the release version. Given a snapshot version
	 * of "1.0-SNAPSHOT" and a buildNumber value of "2", the actual released
	 * version will be "1.0.2".
	 * 
	 * 
	 * By default, the plugin will automatically find a suitable build number.
	 * It will start at version 0 and increment this with each release.
	 * 
	 * 
	 * This can be specified using a command line parameter ("-DbuildNumber=2")
	 * or in this plugin's configuration.
	 * 
	 */
	@Parameter(property = "buildNumber")
	protected Long buildNumber;

	/**
	 * The modules to release, or no value to to release the project from the
	 * root pom, which is the default. The selected module plus any other
	 * modules it needs will be built and released also. When run from the
	 * command line, this can be a comma-separated list of module names.
	 */
	@Parameter(alias = "modulesToRelease", property = "modulesToRelease")
	protected List modulesToRelease;

	/**
	 * A module to force release on, even if no changes has been detected.
	 */
	@Parameter(alias = "forceRelease", property = "forceRelease")
	protected List modulesToForceRelease;

	@Parameter(property = "disableSshAgent")
	private boolean disableSshAgent;

	@Parameter(defaultValue = "${settings}", readonly = true, required = true)
	private Settings settings;

	/**
	 * If set, the identityFile and passphrase will be read from the Maven
	 * settings file.
	 */
	@Parameter(property = "serverId")
	private String serverId;

	/**
	 * If set, this file will be used to specify the known_hosts. This will
	 * override any default value.
	 */
	@Parameter(property = "knownHosts")
	private String knownHosts;

	/**
	 * Specifies the private key to be used.
	 */
	@Parameter(property = "privateKey")
	private String privateKey;

	/**
	 * Specifies the passphrase to be used with the identityFile specified.
	 */
	@Parameter(property = "passphrase")
	private String passphrase;

    final void setSettings(final Settings settings) {
		this.settings = settings;
	}

	final void setServerId(final String serverId) {
		this.serverId = serverId;
	}

	final void setKnownHosts(final String knownHosts) {
		this.knownHosts = knownHosts;
	}

	final void setPrivateKey(final String privateKey) {
		this.privateKey = privateKey;
	}

	final void setPassphrase(final String passphrase) {
		this.passphrase = passphrase;
	}

	final void disableSshAgent() {
		disableSshAgent = true;
	}

	protected final void configureJsch(final Log log) {
		if (!disableSshAgent) {
			if (serverId != null) {
				final Server server = settings.getServer(serverId);
				if (server != null) {
					privateKey = privateKey == null ? server.getPrivateKey() : privateKey;
					passphrase = passphrase == null ? server.getPassphrase() : passphrase;
				} else {
					log.warn(format("No server configuration in Maven settings found with id %s", serverId));
				}
			}

			JschConfigSessionFactory.setInstance(new SshAgentSessionFactory(log, knownHosts, privateKey, passphrase));
		}
	}

    static void printBigErrorMessageAndThrow(Log log, String terseMessage, List linesToLog) throws MojoExecutionException {
        log.error("");
        log.error("");
        log.error("");
        log.error("************************************");
        log.error("Could not execute the release plugin");
        log.error("************************************");
        log.error("");
        log.error("");
        for (String line : linesToLog) {
            log.error(line);
        }
        log.error("");
        log.error("");
        throw new MojoExecutionException(terseMessage);
    }
}