fix GPG signing

Author: xxlabaza

.travis.yml

@@ -10,15 +10,14 @@ install:
   ./mvnw --settings .settings.xml compile -B
 
 script:
-  ./mvnw --settings .settings.xml verify -DskipTests=false -Dmaven.javadoc.skip=true -B -U
+  ./mvnw -Dmaven.javadoc.skip=true --settings .settings.xml verify -B -U
 
 before_deploy:
   - ./mvnw help:evaluate -N -Dexpression=project.version | grep -v '\['
   - export project_version=$(./mvnw help:evaluate -N -Dexpression=project.version | grep -v '\[')
-  - echo "${GPG_SECRET_KEYS}" | base64 --decode | "${GPG_EXECUTABLE}" --import
-  - echo "${GPG_OWNERTRUST}" | base64 --decode | "${GPG_EXECUTABLE}" --import-ownertrust
-  - sed -i -- "s/\${env.SONATYPE_PASSWORD}/$SONATYPE_PASSWORD/g" .settings.xml
-  - ./mvnw --settings .settings.xml deploy -DskipTests=true -Dmaven.javadoc.skip=false -B
+  - echo "${GPG_SECRET_KEYS}" | base64 --decode | "${GPG_EXECUTABLE}" --batch --passphrase "${GPG_PASSPHRASE}" --import
+  - echo "${GPG_OWNERTRUST}" | base64 --decode | "${GPG_EXECUTABLE}" --batch --passphrase "${GPG_PASSPHRASE}" --import-ownertrust
+  - ./mvnw -DskipTests -Dmaven.test.skip=true -Dfindbugs.skip=true -Dpmd.skip=true -Dcheckstyle.skip -Dmaven.javadoc.skip=false  --settings .settings.xml deploy -B
 
 deploy:
   provider: releases

pom.xml

@@ -408,6 +408,12 @@ limitations under the License.
             <goals>
               <goal>sign</goal>
             </goals>
+            <configuration>
+              <gpgArguments>
+                <arg>--pinentry-mode</arg>
+                <arg>loopback</arg>
+              </gpgArguments>
+            </configuration>
           </execution>
         </executions>
       </plugin>