ci: use Maven wrapper

Author: sebthom

.github/workflows/build.yml

@@ -160,16 +160,10 @@ jobs:
         key: ${{ runner.os }}-${{ runner.arch }}-repo-tycho-${{ hashFiles(format('target-platforms/{0}.target', matrix.target-platform)) }}
 
 
-    - name: "Install: Maven"
-      uses: stCarolas/setup-maven@v5  # https://github.com/stCarolas/setup-maven
-      with:
-        maven-version: 3.9.9
-
-
     - name: "Build with Maven 🔨"
       continue-on-error: ${{ matrix.target-platform == 'unstable' }}
       run: |
-        set -eu
+        set -euo pipefail
 
         MAVEN_OPTS="${MAVEN_OPTS:-}"
         if [[ "${{ runner.os }}" == "Windows" ]]; then
@@ -183,14 +177,14 @@ jobs:
         echo "MAVEN_OPTS: $MAVEN_OPTS"
 
         if [[ ${ACT:-} == "true" ]]; then # when running locally using nektos/act
-           maven_args="-Djgit.dirtyWorkingTree=warning"
+          maven_args="-Djgit.dirtyWorkingTree=warning"
         else
-           maven_args="--no-transfer-progress"
+          maven_args="--no-transfer-progress"
         fi
 
         # prevent "org.eclipse.swt.SWTError: No more handles [gtk_init_check() failed]" on Linux
         ${{ runner.os == 'Linux' && 'xvfb-run --auto-servernum --server-args="-screen 0 1600x900x24" \' || '' }}
-        mvn \
+        ./mvnw \
           --errors \
           --update-snapshots \
           --batch-mode \

.github/workflows/licensecheck.yml

@@ -88,12 +88,6 @@ jobs:
         key: ${{ runner.os }}-${{ runner.arch }}-repo-tycho-${{ hashFiles('target-platforms/oldest.target') }}
 
 
-    - name: "Install: Maven"
-      uses: stCarolas/setup-maven@v5  # https://github.com/stCarolas/setup-maven
-      with:
-        maven-version: 3.9.9
-
-
     - name: Dash License check  # see https://github.com/eclipse/dash-licenses
       run: |
         set -eu
@@ -119,7 +113,7 @@ jobs:
           dash_iplab_token_arg="-Ddash.iplab.token=$DASH_IPLAB_TOKEN"
         fi
 
-        (set -x; mvn \
+        (set -x; ./mvnw \
           --errors \
           --update-snapshots \
           --batch-mode \

.mvn/wrapper/maven-wrapper.properties

@@ -0,0 +1,19 @@
+# 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.
+wrapperVersion=3.3.2
+distributionType=only-script
+distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.9.9/apache-maven-3.9.9-bin.zip

CONTRIBUTING.md

@@ -44,10 +44,10 @@ Latest builds, for testing, can be found at https://download.eclipse.org/tm4e/sn
 
 ### 🏗️ Build
 
-Prerequisite: Latest [Apache Maven](https://maven.apache.org/) release or Eclipse [m2e](https://www.eclipse.org/m2e/).
-
-- From the command line: run `mvn clean verify`
-- From within Eclipse : right-click on the tm4e root folder > Run As > Maven build
+- From the command line run:
+  - on Windows `mvnw clean verify`
+  - on Linux `./mvnw clean verify`
+- From within Eclipse with [M2E](https://www.eclipse.org/m2e/) installed: right-click on the tm4e root folder > Run As > Maven build
 
 #### Running the CI job locally:
 

Jenkinsfile

@@ -9,7 +9,6 @@ pipeline {
 	}
 
 	tools {
-		maven 'apache-maven-latest' // https://wiki.eclipse.org/Jenkins#Apache_Maven
 		jdk 'temurin-jdk17-latest'
 	}
 
@@ -33,14 +32,14 @@ pipeline {
 					script {
 						if (env.BRANCH_NAME == 'main') {
 							withCredentials([string(credentialsId: 'gpg-passphrase', variable: 'KEYRING_PASSPHRASE')]) {
-								sh '''mvn clean deploy -B \
+								sh '''./mvnw clean deploy -B \
 									-Dmaven.test.failure.ignore=true \
 									-Dsurefire.rerunFailingTestsCount=3 \
 									-Psign -Dgpg.passphrase="${KEYRING_PASSPHRASE}"
 								'''
 							}
 						} else {
-							sh '''mvn clean verify -B \
+							sh '''./mvnw clean verify -B \
 								-Dmaven.test.failure.ignore=true \
 								-Dsurefire.rerunFailingTestsCount=3
 							'''

README.md

@@ -113,7 +113,7 @@ Here are some projects that use tm4e:
 - **License**: TM4E is a community open-source project licensed under the [Eclipse Public License 2.0](LICENSE).
 - **Support**: You can ask (and answer!) questions in the [GitHub discussions](https://github.com/eclipse/tm4e/discussions). Report bugs, and request features using [GitHub issues](https://github.com/eclipse/tm4e/issues).
 - **Source Code**: This `github.com/eclipse/tm4e` repository is the reference repository to contribute to TM4E
-- **Build**: Builds can be performed with a simple `mvn clean verify`
+- **Build**: Builds can be performed with a simple `./mvnw clean verify`
 - **Continuous testing, integration and deployment** is performed by CI jobs at https://ci.eclipse.org/tm4e/ and https://github.com/eclipse/tm4e/actions
 - **Developers mailing-list**: Contributors are also expected to subscribe the [tm4e-dev mailing-list](https://dev.eclipse.org/mailman/listinfo/tm4e-dev).
 - **Becoming a committer**: as usual with Eclipse.org projects, anyone who's made significant contributions and who's upheld quality standards alongside good judgement and open-mindedness.