Option to enable GPG signing only during install/deploy (#39)

.travis.yml

@@ -50,7 +50,6 @@ before_install:
       openssl aes-256-cbc -K $encrypted_60ba2f79b530_key -iv $encrypted_60ba2f79b530_iv -in conf/signingkey.asc.enc -out conf/signingkey.asc -d;
       gpg2 --batch --keyring=$TRAVIS_BUILD_DIR/pubring.gpg --no-default-keyring --import conf/signingkey.asc;
       gpg2 --batch --allow-secret-key-import --keyring=$TRAVIS_BUILD_DIR/secring.gpg --no-default-keyring --import conf/signingkey.asc;
-      gpg2 --version
     fi
 
 install:
@@ -69,7 +68,8 @@ before_script:
   - echo $TRAVIS_TAG
   - echo $PACKAGE_VERSION
   - echo $IS_PRIMARY_MATRIX_JOB
-  - export COMMON_MVN_FLAGS="-Dgpg.executable=gpg2 -Dgpg.keyname=8A6106B5 -Dgpg.passphrase=$GPG_PASSPHRASE
+  - export COMMON_MVN_FLAGS="-s conf/maven-settings.xml
+    -Dgpg.executable=gpg2 -Dgpg.keyname=8A6106B5 -Dgpg.passphrase=$GPG_PASSPHRASE
     -Dgpg.publicKeyring=$TRAVIS_BUILD_DIR/pubring.gpg -Dgpg.secretKeyring=$TRAVIS_BUILD_DIR/secring.gpg
     -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN"
 
@@ -90,7 +90,7 @@ after_success:
 
 deploy:
   - provider: script
-    script: mvn -s conf/maven-settings.xml deploy -DskipTests -B $COMMON_MVN_FLAGS
+    script: mvn deploy -DskipTests -B -Dskip.signing=false $COMMON_MVN_FLAGS
       -Dsonar.projectKey=${SONAR_PROJECT} -Dsonar.login=${SONAR_TOKEN}
     skip_cleanup: true
     on:

pom.xml

@@ -59,7 +59,9 @@ limitations under the License.
     </distributionManagement>
 
     <properties>
-        <revision>0.9.6</revision>
+        <revision>1.0-SNAPSHOT</revision>
+        <skip.signing>true</skip.signing>
+
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
@@ -350,6 +352,7 @@ limitations under the License.
                             <goal>sign</goal>
                         </goals>
                         <configuration>
+                            <skip>${skip.signing}</skip>
                             <gpgArguments>
                                 <arg>--pinentry-mode</arg>
                                 <arg>loopback</arg>