Integrate into maven's build

.gitattributes

@@ -6,3 +6,5 @@
 *.css    text
 *.js     text
 *.sql    text
+*.jar    binary
+*.war    binary

.github/workflows/maven.yml

@@ -17,128 +17,170 @@
 
 name: Java CI
 
-on: [push, pull_request, workflow_dispatch]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
 # clear all permissions for GITHUB_TOKEN
 permissions: {}
 
 jobs:
-  build:
+  initial-build:
-
+    runs-on: ubuntu-latest
-    # execute on any push, workflow_dispatch  or pull request from forked repo
-    if: >
-      github.event_name == 'push' ||
-      github.event_name == 'workflow_dispatch' ||
-      ( github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork )
-
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
     steps:
-      - uses: actions/checkout@v4
+      - name: Set up JDK
-        with:
+        uses: actions/setup-java@v4
-          persist-credentials: false
-
-      - uses: actions/setup-java@v4
         with:
           java-version: 17
           distribution: 'temurin'
-          cache: 'maven'
 
-      - name: Set up Maven
+      - name: Checkout maven
-        run:
-          mvn --errors --batch-mode --show-version org.apache.maven.plugins:maven-wrapper-plugin:3.3.2:wrapper "-Dmaven=3.9.7"
-
-      - name: Build with Maven
-        run: ./mvnw verify -e -B -V -DdistributionFileName=apache-maven
-
-      - name: Upload built Maven
-        uses: actions/upload-artifact@v4
-        if: ${{ matrix.os == 'ubuntu-latest' }}
-        with:
-          name: built-maven
-          path: apache-maven/target/
-
-  integration-test:
-    needs: build
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
-        java: [17, 21]
-
-      fail-fast: false
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - name: Collect environment context variables
-        shell: bash
-        env:
-          PR_HEAD_LABEL: ${{ github.event.pull_request.head.label }}
-        run: |
-          set +e
-          repo=maven-integration-testing
-          target_branch=master
-          target_user=apache
-          if [ "$GITHUB_EVENT_NAME" == "pull_request" ]; then
-            user=${PR_HEAD_LABEL%:*}
-            branch=${PR_HEAD_LABEL#*:}
-          else
-            user=${GITHUB_REPOSITORY%/*}
-            branch=${GITHUB_REF#refs/heads/}
-          fi
-          if [ $branch != "master" ]; then
-            git ls-remote https://github.com/$user/$repo.git | grep "refs/heads/${branch}$" > /dev/null
-            if [ $? -eq 0 ]; then
-              echo "Found a branch \"$branch\" in fork \"$user/$repo\", configuring this for the integration tests to be run against."
-              target_branch=$branch
-              target_user=$user
-            else
-              echo "Could not find fork \"$user/$repo\" or a branch \"$branch\" in this fork. Falling back to \"$target_branch\" in \"$target_user/$repo\"."
-            fi
-          else
-            echo "Integration tests will run against $target_user/$repo for master builds."
-          fi
-          echo "REPO_BRANCH=$target_branch" >> $GITHUB_ENV
-          echo "REPO_USER=$target_user" >> $GITHUB_ENV
-
-      - name: Checkout maven-integration-testing
         uses: actions/checkout@v4
         with:
-          repository: ${{ env.REPO_USER }}/maven-integration-testing
-          path: maven-integration-testing/
-          ref: ${{ env.REPO_BRANCH }}
           persist-credentials: false
 
-      - name: Set up JDK
+      - name: Cache Maven packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository/cached
+          key: maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: maven-
+          enableCrossOsArchive: true
+
+      - name: Set up Maven
+        shell: bash
+        run: mvn --errors --batch-mode --show-version org.apache.maven.plugins:maven-wrapper-plugin:3.3.2:wrapper "-Dmaven=4.0.0-beta-4"
+
+      - name: Build Maven distributions
+        shell: bash
+        run: ./mvnw verify -e -B -V -DdistributionFileName=apache-maven
+
+      - name: List contents of target directory
+        shell: bash
+        run: ls -la apache-maven/target
+
+      - name: Upload Maven distributions
+        uses: actions/upload-artifact@v4
+        with:
+          name: maven-distributions
+          path: |
+            apache-maven/target/apache-maven*.zip
+            apache-maven/target/apache-maven*.tar.gz
+
+  full-build:
+    needs: initial-build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        java: ['17', '21']
+    steps:
+      - name: Set up JDK ${{ matrix.java }}
         uses: actions/setup-java@v4
         with:
           java-version: ${{ matrix.java }}
           distribution: 'temurin'
-#          cache: 'maven' - don't use cache for integration tests
 
-      - uses: actions/checkout@v4
+      - name: Install Graphviz (MacOS)
+        if: runner.os == 'macOS'
+        run: brew install graphviz
+
+      - name: Install Graphviz (Ubuntu)
+        if: runner.os == 'Linux'
+        run: sudo apt-get install graphviz
+
+      - name: Install Graphviz (Windows)
+        if: runner.os == 'Windows'
+        run: choco install graphviz
+
+      - name: Checkout maven
+        uses: actions/checkout@v4
         with:
-          path: maven/
           persist-credentials: false
 
-      - name: Set up Maven
+      - name: Download Maven distribution
-        run:
+        uses: actions/download-artifact@v4
-          mvn --errors --batch-mode --show-version org.apache.maven.plugins:maven-wrapper-plugin:3.3.2:wrapper "-Dmaven=3.9.7"
-
-      - name: Build Maven
-        run: ./mvnw install -e -B -V -DdistributionFileName=apache-maven -DskipTests -f maven/pom.xml
-
-      - name: Running integration tests
-        shell: bash
-        run: ./mvnw install -e -B -V -Prun-its,embedded -DmavenDistro="$GITHUB_WORKSPACE/maven/apache-maven/target/apache-maven-bin.zip" -f maven-integration-testing/pom.xml
-
-      - name: Upload artifact on integration testing
-        uses: actions/upload-artifact@v4
-        if: failure() && matrix.os != 'windows-latest'
         with:
-          name: ${{ github.run_number }}-integration-test-artifact-${{ matrix.os }}-${{ matrix.java }}
+          name: maven-distributions
-          path: ./maven-integration-testing/core-it-suite/target/test-classes/
+          path: maven-dist
+
+      - name: List downloaded files
+        shell: bash
+        run: ls -la maven-dist
+
+      - name: Extract Maven distribution
+        shell: bash
+        run: |
+          mkdir -p maven-local
+          if [ "${{ runner.os }}" = "Windows" ]; then
+            unzip maven-dist/apache-maven-bin.zip -d maven-local
+          else
+            tar xzf maven-dist/apache-maven-bin.tar.gz -C maven-local --strip-components 1
+          fi
+          echo "MAVEN_HOME=$PWD/maven-local" >> $GITHUB_ENV
+          echo "$PWD/maven-local/bin" >> $GITHUB_PATH
+
+      - name: Build site with downloaded Maven
+        shell: bash
+        run: mvn verify site -e -B -V -DdistributionFileName=apache-maven -Preporting
+
+  integration-tests:
+    needs: initial-build
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        java: ['17', '21']
+    steps:
+      - name: Set up JDK ${{ matrix.java }}
+        uses: actions/setup-java@v4
+        with:
+          java-version: ${{ matrix.java }}
+          distribution: 'temurin'
+
+      - name: Checkout maven
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Download Maven distribution
+        uses: actions/download-artifact@v4
+        with:
+          name: maven-distributions
+          path: maven-dist
+
+      - name: List downloaded files
+        shell: bash
+        run: ls -la maven-dist
+
+      - name: Extract Maven distribution
+        shell: bash
+        run: |
+          mkdir -p maven-local
+          if [ "${{ runner.os }}" = "Windows" ]; then
+            unzip maven-dist/apache-maven-bin.zip -d maven-local
+            # Get the name of the extracted directory
+            MAVEN_DIR=$(ls maven-local)
+            # Move contents up one level
+            mv "maven-local/$MAVEN_DIR"/* maven-local/
+            rm -r "maven-local/$MAVEN_DIR"
+          else
+            tar xzf maven-dist/apache-maven-bin.tar.gz -C maven-local --strip-components 1
+          fi
+          echo "MAVEN_HOME=$PWD/maven-local" >> $GITHUB_ENV
+          echo "$PWD/maven-local/bin" >> $GITHUB_PATH
+
+      - name: Run integration tests
+        shell: bash
+        run: mvn install -e -B -V -Prun-its,embedded
+
+      - name: Upload test artifacts
+        uses: actions/upload-artifact@v4
+        if: failure()
+        with:
+          name: ${{ github.run_number }}-integration-test-artifact-${{ runner.os }}-${{ matrix.java }}
+          path: ./its/core-it-suite/target/test-classes/

.github/workflows/maven_build_itself.yml

@@ -1,87 +0,0 @@
-# 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.
-
-name: Can Maven build itself
-
-on: [push, pull_request]
-
-# clear all permissions for GITHUB_TOKEN
-permissions: {}
-
-jobs:
-  build:
-
-    # execute on any push or pull request from forked repo
-    if: github.event_name == 'push' || ( github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork )
-
-    strategy:
-      matrix:
-        os: [ubuntu-latest, windows-latest]
-        java: [17, 21]
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-
-      - uses: actions/setup-java@v4
-        with:
-          java-version: ${{ matrix.java }}
-          distribution: 'temurin'
-          cache: 'maven'
-
-      - name: Set up Maven
-        run:
-          mvn --errors --batch-mode --show-version org.apache.maven.plugins:maven-wrapper-plugin:3.3.2:wrapper "-Dmaven=3.9.7"
-
-      - name: Build with Maven
-        run: ./mvnw install -e -B -V -DdistributionFileName=apache-maven
-
-      - name: Extract tarball
-        shell: bash
-        run: |
-          set +e
-          if [ -f ${{ env.TAR_BALL }} ]; then
-            temp_dir=$(mktemp -d)
-            tar -xzf ${{ env.TAR_BALL }} -C "$temp_dir" --strip 1
-            maven_bin_dir=$temp_dir/bin
-            if [ -d $maven_bin_dir ]; then
-              echo "tar.gz file \"${{ env.TAR_BALL }}\" successfully extracted in temporarily directory \"$temp_dir.\""
-              echo "TEMP_MAVEN_BIN_DIR=$maven_bin_dir" >> $GITHUB_ENV
-            else
-              echo "$maven_bin_dir does not exist."
-              exit 1;
-            fi
-          else
-            echo "${{ env.TAR_BALL }} does not exist."
-            exit 1;
-          fi
-        env:
-          TAR_BALL: apache-maven/target/apache-maven-bin.tar.gz
-
-      - name: Clean with Maven
-        run: ./mvnw -e -B -V clean
-
-      - name: Build again with Maven SNAPSHOT
-        shell: bash
-        run: |
-          set +e
-          export PATH=${{ env.TEMP_MAVEN_BIN_DIR }}:$PATH
-          mvn verify site -e -B -V -DdistributionFileName=apache-maven -Preporting

apache-maven/pom.xml

@@ -353,6 +353,34 @@ under the License.
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>run-its</id>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-assembly-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>create-distribution-dir</id>
+                <goals>
+                  <goal>single</goal>
+                </goals>
+                <phase>package</phase>
+                <configuration>
+                  <finalName>./</finalName>
+                  <appendAssemblyId>false</appendAssemblyId>
+                  <attach>false</attach>
+                  <outputDirectory>${basedir}/target/maven</outputDirectory>
+                  <descriptors>
+                    <descriptor>src/assembly/dir.xml</descriptor>
+                  </descriptors>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
     <profile>
       <id>apache-release</id>
       <build>

apache-maven/src/assembly/maven/conf/maven.properties

@@ -1,3 +1,22 @@
+#
+# 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.
+#
+
 #
 # Maven user properties
 #

its/.asf.yaml

@@ -1,12 +0,0 @@
-# see https://s.apache.org/asfyaml
-github:
-  description: "Apache Maven core ITs"
-  homepage: https://maven.apache.org/core-its
-  labels:
-    - java
-    - build-management
-    - maven
-  enabled_merge_buttons:
-    squash: true
-    merge: false
-    rebase: true

its/.gitattributes

@@ -1,4 +0,0 @@
-# Auto detect text files and perform LF normalization
-*.jar    binary
-*.war    binary
-

its/.github/dependabot.yml

@@ -1,29 +0,0 @@
-#
-#  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.
-#
-version: 2
-updates:
-
-  - package-ecosystem: "maven"
-    directory: "/"
-    schedule:
-      interval: "daily"
-
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-

its/.github/workflows/maven-verify.yml

@@ -1,55 +0,0 @@
-# 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.
-
-name: Java CI
-
-on: [push, pull_request]
-
-# clear all permissions for GITHUB_TOKEN
-permissions: {}
-
-jobs:
-  build:
-
-    # execute on any push or pull request from forked repo
-    if: github.event_name == 'push' || ( github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork )
-
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        java: [11, 17, 21]
-      fail-fast: false
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-
-      - name: Set up JDK
-        uses: actions/setup-java@v4
-        with:
-          java-version: ${{ matrix.java }}
-          distribution: 'temurin'
-          cache: 'maven'
-
-      - name: Set up Maven
-        run: mvn --errors --batch-mode --show-version wrapper:wrapper "-Dtype=only-script" "-Dmaven=3.9.7"
-
-      - name: Running integration tests
-        run: "./mvnw -B clean install -Prun-its,embedded -Dmaven.repo.local=`pwd`/repo"

its/.mvn/readme.txt

@@ -1 +0,0 @@
-.mvn directory should exist in project root

its/Jenkinsfile

@@ -1,64 +0,0 @@
-#!groovy
-
-pipeline {
-  agent any
-  // save some io during the build
-  options { durabilityHint('PERFORMANCE_OPTIMIZED') }
-  
-  stages {
-    stage("Parallel Stage") {
-      parallel {
-        stage("Build / Test - mvn latest - JDK8 - ubuntu") {
-          agent { node { label 'ubuntu' } }
-          steps {
-              timeout( time: 180, unit: 'MINUTES' ) {
-                mavenBuild( "jdk_1.8_latest", "maven_latest")
-            }
-          }
-        }
-        stage("Build / Test - mvn latest - JDK11 - ubuntu") {
-          agent { node { label 'ubuntu' } }
-          steps {
-              timeout( time: 180, unit: 'MINUTES' ) {
-                mavenBuild( "jdk_11_latest", "maven_latest")
-            }
-          }
-        }
-        stage("Build / Test - mvn latest - JDK8 - windowx") {
-          agent { node { label 'Windows' } }
-          steps {
-              timeout( time: 180, unit: 'MINUTES' ) {
-                mavenBuild( "jdk_1.8_latest", "maven_latest")
-            }
-          }
-        }
-        stage("Build / Test - mvn latest - JDK11 - windows") {
-          agent { node { label 'Windows' } }
-          steps {
-              timeout( time: 180, unit: 'MINUTES' ) {
-                mavenBuild( "jdk_11_latest", "maven_latest")
-            }
-          }
-        }
-      }
-    }
-  }
-}  
-
-def mavenBuild(jdk, mvnName) {
-  script {
-    try {
-        withMaven(jdk: "$jdk", maven: "$mvnName", publisherStrategy: 'EXPLICIT', mavenOpts: "-Xms2g -Xmx4g -Djava.awt.headless=true") {
-            if (isUnix()) {
-                sh "mvn -V clean install -Prun-its,embedded -B"
-            } else {
-                bat "mvn -V clean install -Prun-its,embedded -B"
-            }
-        }
-    }
-    finally
-    {
-      junit testResults: 'core-it-suite/target/surefire-reports/*.xml', allowEmptyResults: true
-    }
-  }
-}

its/core-it-suite/pom.xml

@@ -580,6 +580,13 @@ under the License.
     <profile>
       <id>run-its</id>
       <dependencies>
+        <dependency>
+          <groupId>org.apache.maven</groupId>
+          <artifactId>apache-maven</artifactId>
+          <version>4.0.0-beta-6-SNAPSHOT</version>
+          <classifier>bin</classifier>
+          <type>zip</type>
+        </dependency>
         <!-- not really used but will force download in the local repo used -->
         <dependency>
           <groupId>org.apache.maven.wagon</groupId>

its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng8106OverlappingDirectoryRolesTest.java

@@ -30,19 +30,27 @@ import org.junit.jupiter.api.Test;
 public class MavenITmng8106OverlappingDirectoryRolesTest extends AbstractMavenIntegrationTestCase {
     public MavenITmng8106OverlappingDirectoryRolesTest() {
         // Broken in: 3.9.0..3.9.6 && 4.0.0-alpha-1..4.0.0-alpha-13
-        super("[,3.9.0),(3.9.6,3.999.999],[4.0.0-beta-1,)");
+        super("(3.9.6,3.999.999],[4.0.0-beta-1,)");
     }
 
     @Test
     public void testDirectoryOverlap() throws Exception {
         File testDir = ResourceExtractor.simpleExtractResources(getClass(), "/mng-8106");
+        String repo = new File(testDir, "repo").getAbsolutePath();
+        String tailRepo = System.getProperty("user.home") + File.separator + ".m2" + File.separator + "repository";
 
         Verifier verifier = newVerifier(new File(testDir, "plugin").getAbsolutePath());
+        verifier.setLocalRepo(repo);
+        verifier.addCliArgument("-X");
+        verifier.addCliArgument("-Dmaven.repo.local.tail=" + tailRepo);
         verifier.addCliArgument("install");
         verifier.execute();
         verifier.verifyErrorFreeLog();
 
         verifier = newVerifier(new File(testDir, "jar").getAbsolutePath());
+        verifier.setLocalRepo(repo);
+        verifier.addCliArgument("-X");
+        verifier.addCliArgument("-Dmaven.repo.local.tail=" + tailRepo);
         verifier.addCliArgument("install");
         verifier.execute();
         verifier.verifyErrorFreeLog();

its/core-it-suite/src/test/java/org/apache/maven/it/MavenITmng8347TransitiveDependencyManagerTest.java

@@ -51,7 +51,6 @@ class MavenITmng8347TransitiveDependencyManagerTest extends AbstractMavenIntegra
         verifier.addCliArgument("-V");
         verifier.addCliArgument("dependency:3.8.0:tree");
         verifier.addCliArgument("-Dmaven.repo.local.tail=" + testDir + "/local-repo");
-        verifier.addCliArgument("-Dmaven.repo.local.tail.ignoreAvailability");
         verifier.execute();
         verifier.verifyErrorFreeLog();
 
@@ -98,7 +97,6 @@ class MavenITmng8347TransitiveDependencyManagerTest extends AbstractMavenIntegra
         verifier.addCliArgument("-V");
         verifier.addCliArgument("dependency:3.8.0:tree");
         verifier.addCliArgument("-Dmaven.repo.local.tail=" + testDir + "/local-repo");
-        verifier.addCliArgument("-Dmaven.repo.local.tail.ignoreAvailability");
         verifier.execute();
         verifier.verifyErrorFreeLog();
 
@@ -125,7 +123,6 @@ class MavenITmng8347TransitiveDependencyManagerTest extends AbstractMavenIntegra
         verifier.addCliArgument("-V");
         verifier.addCliArgument("dependency:3.8.0:tree");
         verifier.addCliArgument("-Dmaven.repo.local.tail=" + testDir + "/local-repo");
-        verifier.addCliArgument("-Dmaven.repo.local.tail.ignoreAvailability");
         verifier.execute();
         verifier.verifyErrorFreeLog();
 

its/core-it-suite/src/test/resources/mng-8347-transitive-dependency-manager/README.md

@@ -10,13 +10,13 @@ Facts:
 Command to run:
 
 ```
-mvn eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo -Dmaven.repo.local.tail.ignoreAvailability
+mvn eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo
 ```
 
 Example output with 3.9.9: Maven 3 is not transitive regarding dependency management, and it shows 1.0.0 all way down
 except for level5 that has applies depMgt from root.
 ```
-$ mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo -Dmaven.repo.local.tail.ignoreAvailability
+$ mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo
 Apache Maven 3.9.9 (8e8579a9e76f7d015ee5ec7bfcdc97d260186937)
 Maven home: /home/cstamas/.sdkman/candidates/maven/3.9.9
 Java version: 21.0.4, vendor: Eclipse Adoptium, runtime: /home/cstamas/.sdkman/candidates/java/21.0.4-tem
@@ -49,7 +49,7 @@ $
 Example output with 4.0.0-beta-5: **this version is transitive but broken**, as it applies level2 depMgt onto its own
 dependencies.
 ```
-$ mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo -Dmaven.repo.local.tail.ignoreAvailability
+$ mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo
 Apache Maven 4.0.0-beta-5 (6e78fcf6f5e76422c0eb358cd11f0c231ecafbad)
 Maven home: /home/cstamas/.sdkman/candidates/maven/4.0.0-beta-5
 Java version: 21.0.4, vendor: Eclipse Adoptium, runtime: /home/cstamas/.sdkman/candidates/java/21.0.4-tem
@@ -96,7 +96,7 @@ The **expected** output is:
 
 Maven 4.0.0-SNAPSHOT + Resolver [2.0.3-SNAPSHOT](https://github.com/apache/maven-resolver/pull/588) output **is expected output**:
 ```
-$ ~/Tools/maven/apache-maven-4.0.0-beta-6-SNAPSHOT/bin/mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo -Dmaven.repo.local.tail.ignoreAvailability
+$ ~/Tools/maven/apache-maven-4.0.0-beta-6-SNAPSHOT/bin/mvn -V eu.maveniverse.maven.plugins:toolbox:tree -Dmaven.repo.local.tail=local-repo
 Apache Maven 4.0.0-beta-6-SNAPSHOT (cf94fba0151ff403763bdf23eb73fe74b3d0874d)
 Maven home: /home/cstamas/Tools/maven/apache-maven-4.0.0-beta-6-SNAPSHOT
 Java version: 21.0.4, vendor: Eclipse Adoptium, runtime: /home/cstamas/.sdkman/candidates/java/21.0.4-tem

its/core-it-support/core-it-plugins/maven-it-plugin-configuration/src/main/java/org/apache/maven/plugin/coreit/PropertiesUtil.java

@@ -104,6 +104,7 @@ class PropertiesUtil {
         } else if (value instanceof Map) {
             Map map = (Map) value;
             props.setProperty(key, Integer.toString(map.size()));
+            @SuppressWarnings("checkstyle:UnusedLocalVariable")
             int i = 0;
             for (Iterator it = map.keySet().iterator(); it.hasNext(); i++) {
                 Object k = it.next();

its/core-it-support/core-it-plugins/maven-it-plugin-expression/src/main/java/org/apache/maven/plugin/coreit/PropertyUtil.java

@@ -87,6 +87,7 @@ class PropertyUtil {
             } else if (obj instanceof Map) {
                 Map map = (Map) obj;
                 props.put(key, Integer.toString(map.size()));
+                @SuppressWarnings("checkstyle:UnusedLocalVariable")
                 int index = 0;
                 for (Iterator it = map.entrySet().iterator(); it.hasNext(); index++) {
                     Map.Entry entry = (Map.Entry) it.next();

its/core-it-support/core-it-plugins/maven-it-plugin-uses-wagon/src/main/java/org/apache/maven/plugin/coreit/UsesWagonMojo.java

@@ -47,6 +47,7 @@ public class UsesWagonMojo extends AbstractMojo {
             throw new MojoExecutionException(e.getMessage(), e);
         }
         try {
+            @SuppressWarnings("checkstyle:UnusedLocalVariable")
             FileWagon theWagon = (FileWagon) fileWagon;
         } catch (ClassCastException e) {
             getLog().error("", e);
@@ -64,6 +65,7 @@ public class UsesWagonMojo extends AbstractMojo {
             throw new MojoExecutionException(e.getMessage(), e);
         }
         try {
+            @SuppressWarnings("checkstyle:UnusedLocalVariable")
             ScpWagon theWagon = (ScpWagon) scpWagon;
         } catch (ClassCastException e) {
             getLog().error("", e);

its/core-it-support/core-it-plugins/mng7529-plugin/pom.xml

@@ -32,14 +32,14 @@ under the License.
   <name>Maven IT Plugin :: mng-7529 plugin</name>
 
   <properties>
-    <maven-version>3.6.0</maven-version>
+    <maven3-version>3.6.0</maven3-version>
   </properties>
 
   <dependencies>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-plugin-api</artifactId>
-      <version>${maven-version}</version>
+      <version>${maven3-version}</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -50,13 +50,13 @@ under the License.
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-core</artifactId>
-      <version>${maven-version}</version>
+      <version>${maven3-version}</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
       <groupId>org.apache.maven</groupId>
       <artifactId>maven-model</artifactId>
-      <version>${maven-version}</version>
+      <version>${maven3-version}</version>
       <scope>provided</scope>
     </dependency>
   </dependencies>

its/core-it-support/core-it-plugins/mng7529-plugin/src/main/java/org/apache/maven/its/mng7529/plugin/ResolveMojo.java

@@ -58,6 +58,7 @@ public class ResolveMojo extends AbstractMojo {
             request.setMavenProject(project);
             request.setRepositorySession(buildingRequest.getRepositorySession());
 
+            @SuppressWarnings("checkstyle:UnusedLocalVariable")
             DependencyResolutionResult result = dependencyResolver.resolve(request);
 
             getLog().info("Resolution successful, resolved ok");

its/pom.xml

@@ -22,9 +22,8 @@ under the License.
 
   <parent>
     <groupId>org.apache.maven</groupId>
-    <artifactId>maven-parent</artifactId>
+    <artifactId>maven</artifactId>
-    <version>41</version>
+    <version>4.0.0-beta-6-SNAPSHOT</version>
-    <relativePath />
   </parent>
 
   <groupId>org.apache.maven.its</groupId>
@@ -71,10 +70,10 @@ under the License.
     <maven.site.path>core-its</maven.site.path>
     <maven.site.cache>${user.home}/maven-sites</maven.site.cache>
     <rat.ignoreErrors>true</rat.ignoreErrors>
-    <maven.compiler.source>8</maven.compiler.source>
+    <!--    <maven.compiler.source>8</maven.compiler.source>-->
-    <maven.compiler.target>8</maven.compiler.target>
+    <!--    <maven.compiler.target>8</maven.compiler.target>-->
 
-    <maven-version>3.8.6</maven-version>
+    <maven-version>4.0.0-beta-6-SNAPSHOT</maven-version>
     <maven-plugin-tools-version>3.6.4</maven-plugin-tools-version>
   </properties>
 

pom.xml

@@ -170,6 +170,8 @@ under the License.
     <wagonVersion>3.5.3</wagonVersion>
     <woodstoxVersion>7.1.0</woodstoxVersion>
     <xmlunitVersion>2.10.0</xmlunitVersion>
+    <!-- maven.version -->
+    <maven-version>${project.version}</maven-version>
   </properties>
 
   <!--bootstrap-start-comment-->
@@ -181,157 +183,157 @@ under the License.
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-artifact</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-builder-support</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-jline</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-logging</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-core</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-impl</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-embedder</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-cli</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-model</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-core</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-meta</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-model</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-settings</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-spi</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-toolchain</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-plugin</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-xml</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-di</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-metadata</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-api-cli</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-di</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-model-builder</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-plugin-api</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-repository-metadata</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-resolver-provider</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-settings</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-settings-builder</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-toolchain-model</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-toolchain-builder</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-xml</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <dependency>
         <groupId>org.apache.maven</groupId>
         <artifactId>maven-compat</artifactId>
-        <version>${project.version}</version>
+        <version>${maven-version}</version>
       </dependency>
       <!--bootstrap-end-comment-->
       <dependency>
@@ -773,6 +775,7 @@ under the License.</licenseText>
                 <exclude>src/test/resources*/**</exclude>
                 <exclude>src/test/projects/**</exclude>
                 <exclude>src/test/remote-repo/**</exclude>
+                <exclude>its/**</exclude>
                 <exclude>**/*.odg</exclude>
                 <exclude>**/*.svg</exclude>
                 <exclude>.asf.yaml</exclude>
@@ -837,54 +840,66 @@ under the License.</licenseText>
           </execution>
         </executions>
       </plugin>
-      <plugin>
-        <groupId>org.fusesource.mvnplugins</groupId>
-        <artifactId>maven-graph-plugin</artifactId>
-        <version>1.45</version>
-        <inherited>false</inherited>
-        <executions>
-          <execution>
-            <id>graph</id>
-            <goals>
-              <goal>reactor</goal>
-            </goals>
-            <phase>pre-site</phase>
-            <configuration>
-              <hideVersion>true</hideVersion>
-              <hideGroupId>true</hideGroupId>
-              <hideScopes>test</hideScopes>
-              <hideTransitive>true</hideTransitive>
-              <keepDot>true</keepDot>
-              <target>${project.build.directory}/graph/reactor-graph.dot</target>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
-      <plugin>
-        <groupId>dev.jbang</groupId>
-        <artifactId>jbang-maven-plugin</artifactId>
-        <version>0.0.8</version>
-        <inherited>false</inherited>
-        <executions>
-          <execution>
-            <id>graph</id>
-            <goals>
-              <goal>run</goal>
-            </goals>
-            <phase>pre-site</phase>
-            <configuration>
-              <script>${project.basedir}/src/graph/ReactorGraph.java</script>
-              <jbangargs>
-                <arg>--verbose</arg>
-              </jbangargs>
-            </configuration>
-          </execution>
-        </executions>
-      </plugin>
     </plugins>
   </build>
 
   <profiles>
+    <profile>
+      <id>graph</id>
+      <activation>
+        <os>
+          <family>!windows</family>
+        </os>
+      </activation>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.fusesource.mvnplugins</groupId>
+            <artifactId>maven-graph-plugin</artifactId>
+            <version>1.45</version>
+            <inherited>false</inherited>
+            <executions>
+              <execution>
+                <id>graph</id>
+                <goals>
+                  <goal>reactor</goal>
+                </goals>
+                <phase>pre-site</phase>
+                <configuration>
+                  <hideVersion>true</hideVersion>
+                  <hideGroupId>true</hideGroupId>
+                  <hideScopes>test</hideScopes>
+                  <hideTransitive>true</hideTransitive>
+                  <keepDot>true</keepDot>
+                  <target>${project.build.directory}/graph/reactor-graph.dot</target>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+          <plugin>
+            <groupId>dev.jbang</groupId>
+            <artifactId>jbang-maven-plugin</artifactId>
+            <version>0.0.8</version>
+            <inherited>false</inherited>
+            <executions>
+              <execution>
+                <id>graph</id>
+                <goals>
+                  <goal>run</goal>
+                </goals>
+                <phase>pre-site</phase>
+                <configuration>
+                  <script>${project.basedir}/src/graph/ReactorGraph.java</script>
+                  <jbangargs>
+                    <arg>--verbose</arg>
+                  </jbangargs>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
     <profile>
       <id>apache-release</id>
       <build>
@@ -1014,5 +1029,14 @@ under the License.</licenseText>
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>run-its</id>
+      <modules>
+        <module>its</module>
+      </modules>
+      <properties>
+        <mavenDistro>${session.rootDirectory}/apache-maven/target/apache-maven-${project.version}-bin.zip</mavenDistro>
+      </properties>
+    </profile>
   </profiles>
 </project>