fix: travis builds were failing on pull-request (secure variables not decrypted).

Author: mcolmant

.travis.yml

@@ -35,24 +35,24 @@ addons:
 
 script:
   - sbt compile test:compile
-  - sbt 'set concurrentRestrictions in Global += Tags.limit(Tags.Test, 1)' "project powerapi-core" coverage test
+  - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then sbt "set concurrentRestrictions in Global += Tags.limit(Tags.Test, 1)" "project powerapi-core" test; else sbt "set concurrentRestrictions in Global += Tags.limit(Tags.Test, 1)" "project powerapi-core" coverage test ; fi'
   - find $HOME/.sbt -name "*.lock" | xargs rm
 
 before_install:
-  - openssl aes-256-cbc -K $encrypted_48ebb0d1c0b9_key -iv $encrypted_48ebb0d1c0b9_iv -in secrets.tar.enc -out secrets.tar -d
-  - tar xvf secrets.tar
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then openssl aes-256-cbc -K $encrypted_48ebb0d1c0b9_key -iv $encrypted_48ebb0d1c0b9_iv -in secrets.tar.enc -out secrets.tar -d; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then tar xvf secrets.tar; fi'
   - wget -O influxdb.deb https://s3.amazonaws.com/influxdb/influxdb_0.10.2-1_amd64.deb
   - sudo dpkg -i influxdb.deb
   - sudo service influxdb start
   - sleep 5; /usr/bin/influx --execute "CREATE USER powerapi WITH PASSWORD 'powerapi' WITH ALL PRIVILEGES"
-  - gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
-  - curl -sSL https://get.rvm.io | bash
-  - sudo bash -c "source /home/travis/.rvm/scripts/rvm; rvm use 2.2.3; gem install github_changelog_generator"
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then curl -sSL https://get.rvm.io | bash; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then sudo bash -c "source /home/travis/.rvm/scripts/rvm; rvm use 2.2.3; gem install github_changelog_generator"; fi'
 
 after_success:
-  - sbt "project powerapi-core" coverageReport
-  - sbt "project powerapi-core" codacyCoverage
-  - sbt "project powerapi-core" coveralls
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then sbt "project powerapi-core" coverageReport; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then sbt "project powerapi-core" codacyCoverage; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then sbt "project powerapi-core" coveralls; fi'
 
 before_deploy:
   - sbt "project powerapi-sampling" universal:packageZipTarball