[RelEng] Migrate publishing to new Maven Central Portal

Replace the previous nexus-staging-maven-plugin by the new
central-publishing-maven-plugin

Author: iils-hwellmann

.github/actions/setup-java-for-deployment/action.yml

@@ -16,8 +16,8 @@ runs:
         java-version: '17'
         distribution: 'temurin'
         cache: 'maven' # Cache Maven dependencies between workflow runs
-        # Properties for deployment to OSSRH:
-        server-id: ossrh
+        # Properties for deployment to Maven Central Portal:
+        server-id: central-portal
         server-username: MAVEN_USERNAME
         server-password: MAVEN_PASSWORD
         # Properties for gpg signing:

.github/workflows/maven-build-master-and-publish-snapshot.yml

@@ -1,4 +1,4 @@
-# This workflow will build a Java project with Maven and will publish snapshot versions to the OSSRH Snapshots repository
+# This workflow will build a Java project with Maven and will publish snapshot versions to the Central Portal Snapshots repository
 # For more information see:
 # https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#Publishing-using-Apache-Maven
 # https://docs.github.com/en/actions/publishing-packages/publishing-java-packages-with-maven
@@ -27,8 +27,8 @@ jobs:
 
     - run: mvn deploy -Ppublish-to-maven-central
       working-directory: symja_android_library
-      # Deployment of all modules is deferred to the last module by nexus-staging-maven-plugin
+      # Deployment of all modules is deferred to the last module by central-publishing-maven-plugin
       env:
-        MAVEN_USERNAME: ${{ secrets.OSSRH_TOKEN_USERNAME }}
-        MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN_PASSWORD }}
+        MAVEN_USERNAME: ${{ secrets.CENTRAL_PORTAL_TOKEN_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.CENTRAL_PORTAL_TOKEN_PASSWORD }}
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}

.github/workflows/maven-perform-release.yml

@@ -67,10 +67,10 @@ jobs:
 
     - run: mvn release:perform -DlocalCheckout=true
       working-directory: symja_android_library
-      # Deployment of all modules is deferred to the last module by nexus-staging-maven-plugin
+      # Deployment of all modules is deferred to the last module by central-publishing-maven-plugin
       env:
-        MAVEN_USERNAME: ${{ secrets.OSSRH_TOKEN_USERNAME }}
-        MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN_PASSWORD }}
+        MAVEN_USERNAME: ${{ secrets.CENTRAL_PORTAL_TOKEN_USERNAME }}
+        MAVEN_PASSWORD: ${{ secrets.CENTRAL_PORTAL_TOKEN_PASSWORD }}
         MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}
 
     - name: Publish release commits and tag to master
@@ -86,7 +86,7 @@ jobs:
         tag_name: ${{ env.release_tag }}
         draft: false
         prerelease: false
-        files: ./symja_android_library/target/checkout/symja_android_library/target/nexus-staging/**/*.jar
+        files: ./symja_android_library/target/checkout/symja_android_library/target/central-deferred/**/*.jar
         body: |
           We are pleased to announce the release of Symja ${{ env.release_version }}.
           

symja_android_library/pom.xml

@@ -74,12 +74,14 @@
 	</issueManagement>
 	<distributionManagement>
 		<repository>
-			<id>ossrh</id>
-			<url>https://oss.sonatype.org/service/local/staging/deploy/maven2</url>
+			<id>central-portal</id>
+			<url>https://repo.maven.apache.org/maven2</url>
+			<!-- Only the URL where release artifacts will be available for
+			download, for upload the Central Portal Upload service is used. -->
 		</repository>
 		<snapshotRepository>
-			<id>ossrh</id>
-			<url>https://oss.sonatype.org/content/repositories/snapshots</url>
+			<id>central-portal</id>
+			<url>https://central.sonatype.com/repository/maven-snapshots</url>
 		</snapshotRepository>
 	</distributionManagement>
 
@@ -566,12 +568,17 @@
 					<version>3.6.3</version>
 				</plugin>
 				<plugin>
-					<groupId>org.sonatype.plugins</groupId>
-					<artifactId>nexus-staging-maven-plugin</artifactId>
-					<version>1.7.0</version>
+					<groupId>org.sonatype.central</groupId>
+					<artifactId>central-publishing-maven-plugin</artifactId>
+					<version>0.10.0</version>
+					<extensions>true</extensions>
 					<configuration>
-						<serverId>ossrh</serverId>
-						<nexusUrl>https://oss.sonatype.org/</nexusUrl>
+						<!-- See also: https://central.sonatype.org/publish/publish-portal-maven/#stagingdirectory -->
+						<autoPublish>false</autoPublish>
+						<skipPublishing>${deployment.suppress}</skipPublishing>
+						<deploymentName>MathEclipse-${project.version}</deploymentName>
+						<publishingServerId>central-portal</publishingServerId>
+						<waitUntil>validated</waitUntil>
 					</configuration>
 				</plugin>
 			</plugins>
@@ -730,15 +737,8 @@
 						</executions>
 					</plugin>
 					<plugin>
-						<groupId>org.sonatype.plugins</groupId>
-						<artifactId>nexus-staging-maven-plugin</artifactId>
-						<extensions>true</extensions>
-						<configuration>
-							<skipNexusStagingDeployMojo>${deployment.suppress}</skipNexusStagingDeployMojo>
-							<!-- Documentation:
-							https://github.com/sonatype/nexus-maven-plugins/blob/master/staging/maven-plugin/README.md-->
-							<autoReleaseAfterClose>false</autoReleaseAfterClose>
-						</configuration>
+						<groupId>org.sonatype.central</groupId>
+						<artifactId>central-publishing-maven-plugin</artifactId>
 					</plugin>
 				</plugins>
 			</build>