[MNG-8245][MNG-8246] Warn when calling before: or after: phases

impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/DefaultLifecycleTaskSegmentCalculator.java

@@ -27,6 +27,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import org.apache.maven.api.Lifecycle;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.lifecycle.LifecycleNotFoundException;
 import org.apache.maven.lifecycle.LifecyclePhaseNotFoundException;
@@ -39,6 +40,8 @@
 import org.apache.maven.plugin.prefix.NoPluginFoundForPrefixException;
 import org.apache.maven.plugin.version.PluginVersionResolutionException;
 import org.apache.maven.project.MavenProject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import static java.util.Objects.requireNonNull;
 
@@ -53,6 +56,8 @@
 @Named
 @Singleton
 public class DefaultLifecycleTaskSegmentCalculator implements LifecycleTaskSegmentCalculator {
+    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultLifecycleTaskSegmentCalculator.class);
+
     private final MojoDescriptorCreator mojoDescriptorCreator;
 
     private final LifecyclePluginResolver lifecyclePluginResolver;
@@ -95,6 +100,11 @@ public List<TaskSegment> calculateTaskSegments(MavenSession session, List<String
         TaskSegment currentSegment = null;
 
         for (String task : tasks) {
+            if (isBeforeOrAfterPhase(task)) {
+                String prevTask = task;
+                task = PhaseId.of(task).phase();
+                LOGGER.warn("Illegal call to phase '{}'. The main phase '{}' will be used instead.", prevTask, task);
+            }
             if (isGoalSpecification(task)) {
                 // "pluginPrefix[:version]:goal" or "groupId:artifactId[:version]:goal"
 
@@ -139,6 +149,10 @@ public boolean requiresProject(MavenSession session) {
         return false;
     }
 
+    private boolean isBeforeOrAfterPhase(String task) {
+        return task.startsWith(Lifecycle.BEFORE) || task.startsWith(Lifecycle.AFTER);
+    }
+
     private boolean isGoalSpecification(String task) {
         return task.indexOf(':') >= 0;
     }

impl/maven-core/src/main/java/org/apache/maven/lifecycle/internal/concurrent/ConcurrentLifecycleStarter.java

@@ -27,6 +27,7 @@
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import org.apache.maven.api.Lifecycle;
 import org.apache.maven.execution.ExecutionEvent;
 import org.apache.maven.execution.MavenSession;
 import org.apache.maven.lifecycle.DefaultLifecycles;
@@ -38,6 +39,7 @@
 import org.apache.maven.lifecycle.internal.LifecycleStarter;
 import org.apache.maven.lifecycle.internal.LifecycleTask;
 import org.apache.maven.lifecycle.internal.MojoDescriptorCreator;
+import org.apache.maven.lifecycle.internal.PhaseId;
 import org.apache.maven.lifecycle.internal.ReactorBuildStatus;
 import org.apache.maven.lifecycle.internal.ReactorContext;
 import org.apache.maven.lifecycle.internal.TaskSegment;
@@ -138,6 +140,11 @@ public List<TaskSegment> calculateTaskSegments(MavenSession session, List<String
         TaskSegment currentSegment = null;
 
         for (String task : tasks) {
+            if (isBeforeOrAfterPhase(task)) {
+                String prevTask = task;
+                task = PhaseId.of(task).phase();
+                logger.warn("Illegal call to phase '{}'. The main phase '{}' will be used instead.", prevTask, task);
+            }
             if (isGoalSpecification(task)) {
                 // "pluginPrefix[:version]:goal" or "groupId:artifactId[:version]:goal"
 
@@ -185,6 +192,10 @@ private boolean requiresProject(MavenSession session) {
         return false;
     }
 
+    private boolean isBeforeOrAfterPhase(String task) {
+        return task.startsWith(Lifecycle.BEFORE) || task.startsWith(Lifecycle.AFTER);
+    }
+
     private boolean isGoalSpecification(String task) {
         return task.indexOf(':') >= 0;
     }

its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng8245BeforePhaseCliTest.java

@@ -0,0 +1,102 @@
+/*
+ * 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.maven.it;
+
+import java.io.File;
+
+import org.junit.jupiter.api.Test;
+
+/**
+ * This is a test set for <a href="https://issues.apache.org/jira/browse/MNG-8245">MNG-8245</a>
+ *   and <a href="https://issues.apache.org/jira/browse/MNG-8246">MNG-8246</a>.
+ */
+class MavenITmng8245BeforePhaseCliTest extends AbstractMavenIntegrationTestCase {
+
+    MavenITmng8245BeforePhaseCliTest() {
+        super("[4.0.0-rc-2,)");
+    }
+
+    /**
+     *  Verify phase before:clean spits a warning and calls clean
+     */
+    @Test
+    void testPhaseBeforeCleanAllWihConcurrentBuilder() throws Exception {
+        File testDir = extractResources("/mng-8245-before-after-phase-all");
+
+        Verifier verifier = newVerifier(testDir.getAbsolutePath());
+        verifier.setLogFileName("before-clean-concurrent.txt");
+        verifier.addCliArguments("-b", "concurrent", "before:clean");
+        verifier.execute();
+
+        verifier.verifyTextInLog("Illegal call to phase 'before:clean'. The main phase 'clean' will be used instead.");
+        verifier.verifyTextInLog("Hallo 'before:clean' phase.");
+        verifier.verifyTextInLog("Hallo 'after:clean' phase.");
+    }
+
+    /**
+     *  Verify phase before:clean spits a warning and calls clean
+     */
+    @Test
+    void testPhaseBeforeCleanAllWithLegacyBuilder() throws Exception {
+        File testDir = extractResources("/mng-8245-before-after-phase-all");
+
+        Verifier verifier = newVerifier(testDir.getAbsolutePath());
+        verifier.setLogFileName("before-clean-legacy.txt");
+        verifier.addCliArguments("before:clean");
+        verifier.execute();
+
+        verifier.verifyTextInLog("Illegal call to phase 'before:clean'. The main phase 'clean' will be used instead.");
+        verifier.verifyTextInLog("Hallo 'before:clean' phase.");
+        verifier.verifyTextInLog("Hallo 'after:clean' phase.");
+    }
+
+    /**
+     *  Verify phase after:clean spits a warning and calls clean
+     */
+    @Test
+    void testPhaseAfterCleanAllWihConcurrentBuilder() throws Exception {
+        File testDir = extractResources("/mng-8245-before-after-phase-all");
+
+        Verifier verifier = newVerifier(testDir.getAbsolutePath());
+        verifier.setLogFileName("after-clean-concurrent.txt");
+        verifier.addCliArguments("-b", "concurrent", "after:clean");
+        verifier.execute();
+
+        verifier.verifyTextInLog("Illegal call to phase 'after:clean'. The main phase 'clean' will be used instead.");
+        verifier.verifyTextInLog("Hallo 'before:clean' phase.");
+        verifier.verifyTextInLog("Hallo 'after:clean' phase.");
+    }
+
+    /**
+     *  Verify phase after:clean spits a warning and calls clean
+     */
+    @Test
+    void testPhaseAfterCleanAllWithLegacyBuilder() throws Exception {
+        File testDir = extractResources("/mng-8245-before-after-phase-all");
+
+        Verifier verifier = newVerifier(testDir.getAbsolutePath());
+        verifier.setLogFileName("after-clean-legacy.txt");
+        verifier.addCliArguments("after:clean");
+        verifier.execute();
+
+        verifier.verifyTextInLog("Illegal call to phase 'after:clean'. The main phase 'clean' will be used instead.");
+        verifier.verifyTextInLog("Hallo 'before:clean' phase.");
+        verifier.verifyTextInLog("Hallo 'after:clean' phase.");
+    }
+}

its/core-it-suite/src/test/java/org/apache/maven/it/TestSuiteOrdering.java

@@ -100,6 +100,7 @@ public TestSuiteOrdering() {
          * the tests are to finishing. Newer tests are also more likely to fail, so this is
          * a fail fast technique as well.
          */
+        suite.addTestSuite(MavenITmng8245BeforePhaseCliTest.class);
         suite.addTestSuite(MavenITmng8244PhaseAllTest.class);
         suite.addTestSuite(MavenITmng8421MavenEncryptionTest.class);
         suite.addTestSuite(MavenITmng8400CanonicalMavenHomeTest.class);

its/core-it-suite/src/test/resources/mng-8245-before-after-phase-all/pom.xml

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" root="true" xsi:schemaLocation="http://maven.apache.org/POM/4.1.0 https://maven.apache.org/xsd/maven-4.1.0.xsd">
+
+  <groupId>org.apahce.maven.its</groupId>
+  <artifactId>mng-8245</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>com.soebes.maven.plugins</groupId>
+        <artifactId>echo-maven-plugin</artifactId>
+        <version>0.5.0</version>
+        <executions>
+          <execution>
+            <id>before-clean</id>
+            <goals>
+              <goal>echo</goal>
+            </goals>
+            <phase>before:clean</phase>
+            <configuration>
+              <echos>
+                <echo>Hallo 'before:clean' phase.</echo>
+              </echos>
+            </configuration>
+          </execution>
+          <execution>
+            <id>after-clean</id>
+            <goals>
+              <goal>echo</goal>
+            </goals>
+            <phase>after:clean</phase>
+            <configuration>
+              <echos>
+                <echo>Hallo 'after:clean' phase.</echo>
+              </echos>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+
+  </build>
+
+</project>