Add signing plugin with release profile

Author: Duckelekuuk

.github/workflows/publish.yml

@@ -19,7 +19,7 @@ jobs:
           gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }}
           gpg-passphrase: MAVEN_GPG_PASSPHRASE
       - name: Publish package
-        run: mvn -Drevision=${{ github.event.release.tag_name }} --batch-mode deploy
+        run: mvn -Drevision=${{ github.event.release.tag_name }} --batch-mode deploy -P release
         env:
           MAVEN_USERNAME: ${{ secrets.OSSRH_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.OSSRH_TOKEN }}

pom.xml

@@ -152,7 +152,6 @@
                     <artifactId>maven-deploy-plugin</artifactId>
                     <version>3.1.1</version>
                 </plugin>
-
             </plugins>
         </pluginManagement>
 
@@ -207,5 +206,36 @@
             </plugin>
 
         </plugins>
+
     </build>
+
+    <profiles>
+        <profile>
+            <id>release</id>
+            <build>
+                <plugins>
+                    <!--Sign the components - this is required by maven central for releases -->
+                    <plugin>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>3.1.0</version>
+                        <configuration>
+                            <gpgArguments>
+                                <arg>--pinentry-mode</arg>
+                                <arg>loopback</arg>
+                            </gpgArguments>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 </project>