Enable snapshot publishing

Author: scordio

.github/workflows/main.yml

@@ -9,7 +9,7 @@ env:
 
 jobs:
 
-  java-21:
+  java:
 
     name: Java 21 (${{ matrix.os }})
     strategy:
@@ -35,6 +35,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        # https://jdk.java.net/
         java: [24, 25, 26]
     runs-on: ubuntu-latest
 
@@ -64,3 +65,29 @@ jobs:
           cache: maven
       - name: Generate Javadoc
         run: ./mvnw $MAVEN_ARGS compile javadoc:javadoc
+
+  publish-snapshot:
+
+    name: Publish Snapshot
+    needs: [java, javadoc]
+    runs-on: ubuntu-latest
+    if: github.repository_owner == 'assertj' && github.event_name == 'push' && github.ref == 'refs/heads/main'
+
+    steps:
+      - uses: actions/checkout@v5
+      - name: Set up Maven Central
+        uses: actions/setup-java@v5
+        with:
+          distribution: 'zulu'
+          java-version: '21'
+          server-id: central
+          server-username: MAVEN_CENTRAL_USERNAME
+          server-password: MAVEN_CENTRAL_TOKEN
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+
+      - name: Publish to Maven Central
+        run: ./mvnw $MAVEN_ARGS -DskipTests -Ppublish deploy
+        env:
+          MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          MAVEN_CENTRAL_TOKEN: ${{ secrets.MAVEN_CENTRAL_TOKEN }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

pom.xml

@@ -37,22 +37,10 @@
     <url>https://github.com/assertj/assertj-eclipse-collections</url>
   </scm>
 
-  <repositories>
-    <repository>
-      <id>central-portal-snapshots</id>
-      <url>https://central.sonatype.com/repository/maven-snapshots/</url>
-      <releases>
-        <enabled>false</enabled>
-      </releases>
-    </repository>
-  </repositories>
-
   <properties>
     <assertj.version>4.0.0-SNAPSHOT</assertj.version>
     <java.version>17</java.version>
     <eclipse-collections.version>13.0.0</eclipse-collections.version>
-    <!-- Dependency versions overriding -->
-    <junit-jupiter.version>5.12.1</junit-jupiter.version>
   </properties>
 
   <dependencies>
@@ -83,6 +71,16 @@
     </dependency>
   </dependencies>
 
+  <repositories>
+    <repository>
+      <id>central-portal-snapshots</id>
+      <url>https://central.sonatype.com/repository/maven-snapshots/</url>
+      <releases>
+        <enabled>false</enabled>
+      </releases>
+    </repository>
+  </repositories>
+
   <build>
     <pluginManagement>
       <plugins>
@@ -129,8 +127,8 @@
         </executions>
       </plugin>
       <plugin>
-        <groupId>org.sonatype.plugins</groupId>
-        <artifactId>nexus-staging-maven-plugin</artifactId>
+        <groupId>org.sonatype.central</groupId>
+        <artifactId>central-publishing-maven-plugin</artifactId>
       </plugin>
     </plugins>
   </build>