CommonsDistributionDetachmentMojo.java
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.release.plugin.mojos;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Set;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.collections4.properties.SortedProperties;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.reflect.MethodUtils;
import org.apache.commons.release.plugin.SharedFunctions;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.plugin.AbstractMojo;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject;
/**
* The purpose of this Maven mojo is to detach the artifacts generated by the maven-assembly-plugin,
* which for the Apache Commons Project do not get uploaded to Nexus, and putting those artifacts
* in the dev distribution location for Apache projects.
*
* @since 1.0
*/
@Mojo(name = "detach-distributions",
defaultPhase = LifecyclePhase.VERIFY,
threadSafe = true,
aggregator = true)
public class CommonsDistributionDetachmentMojo extends AbstractMojo {
/**
* A list of "artifact types" in the Maven vernacular, to
* be detached from the deployment. For the time being we want
* all artifacts generated by the maven-assembly-plugin to be detached
* from the deployment, namely *-src.zip, *-src.tar.gz, *-bin.zip,
* *-bin.tar.gz, and the corresponding .asc pgp signatures.
*/
private static final Set<String> ARTIFACT_TYPES_TO_DETACH;
static {
final Set<String> hashSet = new HashSet<>();
hashSet.add("zip");
hashSet.add("tar.gz");
hashSet.add("zip.asc");
hashSet.add("tar.gz.asc");
ARTIFACT_TYPES_TO_DETACH = Collections.unmodifiableSet(hashSet);
}
/**
* This list is supposed to hold the Maven references to the aforementioned artifacts so that we
* can upload them to svn after they've been detached from the Maven deployment.
*/
private final List<Artifact> detachedArtifacts = new ArrayList<>();
/**
* A {@link SortedProperties} of {@link Artifact} → {@link String} containing the sha512 signatures
* for the individual artifacts, where the {@link Artifact} is represented as:
* <code>groupId:artifactId:version:type=sha512</code>.
*/
private final SortedProperties artifactSha512s = new SortedProperties();
/**
* The maven project context injection so that we can get a hold of the variables at hand.
*/
@Parameter(defaultValue = "${project}", required = true)
private MavenProject project;
/**
* The working directory in <code>target</code> that we use as a sandbox for the plugin.
*/
@Parameter(defaultValue = "${project.build.directory}/commons-release-plugin",
property = "commons.outputDirectory")
private File workingDirectory;
/**
* The subversion staging url to which we upload all of our staged artifacts.
*/
@Parameter(defaultValue = "", property = "commons.distSvnStagingUrl")
private String distSvnStagingUrl;
/**
* A parameter to generally avoid running unless it is specifically turned on by the consuming module.
*/
@Parameter(defaultValue = "false", property = "commons.release.isDistModule")
private Boolean isDistModule;
@Override
public void execute() throws MojoExecutionException {
if (!isDistModule) {
getLog().info("This module is marked as a non distribution or assembly module, and the plugin will not run.");
return;
}
if (StringUtils.isEmpty(distSvnStagingUrl)) {
getLog().warn("commons.distSvnStagingUrl is not set, the commons-release-plugin will not run.");
return;
}
getLog().info("Detaching Assemblies");
for (final Artifact attachedArtifact : project.getAttachedArtifacts()) {
putAttachedArtifactInSha512Map(attachedArtifact);
if (ARTIFACT_TYPES_TO_DETACH.contains(attachedArtifact.getType())) {
detachedArtifacts.add(attachedArtifact);
}
}
if (detachedArtifacts.isEmpty()) {
getLog().info("Current project contains no distributions. Not executing.");
return;
}
//
// PROBLEM CODE for Maven >= 3.8.3
// https://issues.apache.org/jira/browse/MNG-7316
try {
// (1) Try the normal way
// Maven 3.8.3 throws an exception here because MavenProject.getAttachedArtifacts()
// returns an IMMUTABLE collection.
project.getAttachedArtifacts().removeAll(detachedArtifacts);
} catch (final UnsupportedOperationException e) {
// (2) HACK workaround for https://issues.apache.org/jira/browse/MNG-7316
final ArrayList<Artifact> arrayList = new ArrayList<>(project.getAttachedArtifacts());
arrayList.removeAll(detachedArtifacts);
try {
// MavenProject#setAttachedArtifacts(List) is protected
MethodUtils.invokeMethod(project, true, "setAttachedArtifacts", arrayList);
} catch (final ReflectiveOperationException roe) {
throw new MojoExecutionException(roe);
}
}
if (!workingDirectory.exists()) {
SharedFunctions.initDirectory(getLog(), workingDirectory);
}
writeAllArtifactsInSha512PropertiesFile();
copyRemovedArtifactsToWorkingDirectory();
getLog().info("");
hashArtifacts();
}
/**
* Takes an attached artifact and puts the signature in the map.
* @param artifact is a Maven {@link Artifact} taken from the project at start time of mojo.
* @throws MojoExecutionException if an {@link IOException} occurs when getting the sha512 of the
* artifact.
*/
private void putAttachedArtifactInSha512Map(final Artifact artifact) throws MojoExecutionException {
try {
final String artifactKey = getArtifactKey(artifact);
if (!artifactKey.endsWith(".asc")) { // .asc files don't need hashes
try (InputStream fis = Files.newInputStream(artifact.getFile().toPath())) {
artifactSha512s.put(artifactKey, DigestUtils.sha512Hex(fis));
}
}
} catch (final IOException e) {
throw new MojoExecutionException(
"Could not find artifact signature for: "
+ artifact.getArtifactId()
+ "-"
+ artifact.getClassifier()
+ "-"
+ artifact.getVersion()
+ " type: "
+ artifact.getType(),
e);
}
}
/**
* Writes to ./target/commons-release-plugin/sha512.properties the artifact sha512's.
*
* @throws MojoExecutionException if we can't write the file due to an {@link IOException}.
*/
private void writeAllArtifactsInSha512PropertiesFile() throws MojoExecutionException {
final File propertiesFile = new File(workingDirectory, "sha512.properties");
getLog().info("Writing " + propertiesFile);
try (OutputStream fileWriter = Files.newOutputStream(propertiesFile.toPath())) {
artifactSha512s.store(fileWriter, "Release SHA-512s");
} catch (final IOException e) {
throw new MojoExecutionException("Failure to write SHA-512's", e);
}
}
/**
* A helper method to copy the newly detached artifacts to <code>target/commons-release-plugin</code>
* so that the {@link CommonsDistributionStagingMojo} can find the artifacts later.
*
* @throws MojoExecutionException if some form of an {@link IOException} occurs, we want it
* properly wrapped so that Maven can handle it.
*/
private void copyRemovedArtifactsToWorkingDirectory() throws MojoExecutionException {
final String wdAbsolutePath = workingDirectory.getAbsolutePath();
getLog().info(
"Copying " + detachedArtifacts.size() + " detached artifacts to working directory " + wdAbsolutePath);
for (final Artifact artifact: detachedArtifacts) {
final File artifactFile = artifact.getFile();
final StringBuilder copiedArtifactAbsolutePath = new StringBuilder(wdAbsolutePath);
copiedArtifactAbsolutePath.append("/");
copiedArtifactAbsolutePath.append(artifactFile.getName());
final File copiedArtifact = new File(copiedArtifactAbsolutePath.toString());
getLog().info("Copying: " + artifactFile.getName());
SharedFunctions.copyFile(getLog(), artifactFile, copiedArtifact);
}
}
/**
* A helper method that creates sha512 signature files for our detached artifacts in the
* <code>target/commons-release-plugin</code> directory for the purpose of being uploaded by
* the {@link CommonsDistributionStagingMojo}.
*
* @throws MojoExecutionException if some form of an {@link IOException} occurs, we want it
* properly wrapped so that Maven can handle it.
*/
private void hashArtifacts() throws MojoExecutionException {
for (final Artifact artifact : detachedArtifacts) {
if (!artifact.getFile().getName().toLowerCase(Locale.ROOT).contains("asc")) {
final String artifactKey = getArtifactKey(artifact);
try {
final String digest;
// SHA-512
digest = artifactSha512s.getProperty(artifactKey.toString());
getLog().info(artifact.getFile().getName() + " sha512: " + digest);
try (PrintWriter printWriter = new PrintWriter(
getSha512FilePath(workingDirectory, artifact.getFile()))) {
printWriter.println(digest);
}
} catch (final IOException e) {
throw new MojoExecutionException("Could not sign file: " + artifact.getFile().getName(), e);
}
}
}
}
/**
* A helper method to create a file path for the <code>sha512</code> signature file from a given file.
*
* @param directory is the {@link File} for the directory in which to make the <code>.sha512</code> file.
* @param file the {@link File} whose name we should use to create the <code>.sha512</code> file.
* @return a {@link String} that is the absolute path to the <code>.sha512</code> file.
*/
private String getSha512FilePath(final File directory, final File file) {
final StringBuilder buffer = new StringBuilder(directory.getAbsolutePath());
buffer.append("/");
buffer.append(file.getName());
buffer.append(".sha512");
return buffer.toString();
}
/**
* Generates the unique artifact key for storage in our sha512 map. For example,
* commons-test-1.4-src.tar.gz should have its name as the key.
*
* @param artifact the {@link Artifact} that we wish to generate a key for.
* @return the generated key
*/
private String getArtifactKey(final Artifact artifact) {
return artifact.getFile().getName();
}
}