chore: gpg back

Author: fengjiachun

.github/workflows/mvn_publish.yml

@@ -30,9 +30,12 @@ jobs:
           server-id: ossrh
           server-username: MAVEN_USERNAME
           server-password: MAVEN_PASSWORD
+          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
+          gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase
 
       - name: Build with Maven
         run: mvn clean deploy --batch-mode -DskipTests -P release -B -U -e
         env:
           MAVEN_USERNAME: ${{ secrets.MAVEN_USERNAME }}
           MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
+          MAVEN_GPG_PASSPHRASE: ${{ secrets.MAVEN_GPG_PASSPHRASE }}

pom.xml

@@ -92,6 +92,7 @@
 
         <!-- plugins -->
         <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+        <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
         <maven-javadoc-plugin.version>2.9.1</maven-javadoc-plugin.version>
         <maven-source-plugin.version>3.0.1</maven-source-plugin.version>
         <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
@@ -287,6 +288,26 @@
                             <autoReleaseAfterClose>true</autoReleaseAfterClose>
                         </configuration>
                     </plugin>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>${maven-gpg-plugin.version}</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                                <phase>verify</phase>
+                                <configuration>
+                                    <gpgArguments>
+                                        <arg>--pinentry-mode</arg>
+                                        <arg>loopback</arg>
+                                    </gpgArguments>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
                     <plugin>
                         <groupId>org.apache.maven.plugins</groupId>
                         <artifactId>maven-source-plugin</artifactId>