add sonar toggle

Author: wildone

.travis.yml

@@ -12,8 +12,8 @@ before_install:
   - echo $GPG_SECRET_KEYS | base64 --decode | $GPG_EXECUTABLE --import
   - echo $GPG_OWNERTRUST | base64 --decode | $GPG_EXECUTABLE --import-ownertrust
   - mvn --settings default.xml package -DskipTests=true -Dgpg.skip -Dmaven.javadoc.skip=true -B -V
-  - if [ $TRAVIS_BRANCH == "master" ]; then mvn sonar:sonar "-Dsonar.branch.name=${TRAVIS_BRANCH}" "-Dsonar.host.url=${SONAR_URL}" "-Dsonar.login=${SONAR_TOKEN}" "-Dsonar.organization=${SONAR_ORGANISATION}"; fi
-  - if [ $TRAVIS_BRANCH != "master" ]; then mvn sonar:sonar "-Dsonar.branch.name=${TRAVIS_BRANCH}" "-Dsonar.branch.target=master" "-Dsonar.host.url=${SONAR_URL}" "-Dsonar.login=${SONAR_TOKEN}" "-Dsonar.organization=${SONAR_ORGANISATION}"; fi
+  - if [[ $TRAVIS_BRANCH == "master" && $SONAR_ENABLED == "true" ]]; then mvn sonar:sonar "-Dsonar.branch.name=${TRAVIS_BRANCH}" "-Dsonar.host.url=${SONAR_URL}" "-Dsonar.login=${SONAR_TOKEN}" "-Dsonar.organization=${SONAR_ORGANISATION}"; fi
+  - if [[ $TRAVIS_BRANCH != "master" && $SONAR_ENABLED == "true" ]]; then mvn sonar:sonar "-Dsonar.branch.name=${TRAVIS_BRANCH}" "-Dsonar.branch.target=master" "-Dsonar.host.url=${SONAR_URL}" "-Dsonar.login=${SONAR_TOKEN}" "-Dsonar.organization=${SONAR_ORGANISATION}"; fi
 
 install:
   - mvn --settings default.xml install -DskipTests=true -Dgpg.skip -Dmaven.javadoc.skip=true -B -V