Merge pull request #34 from hill-a/travis-patch

Update travis config for PR

.travis.yml

@@ -12,4 +12,6 @@ install:
   - docker pull araffin/stable-baselines-cpu
 
 script:
-  - docker run --env CODACY_PROJECT_TOKEN=$CODACY_PROJECT_TOKEN --rm --network host --ipc=host --mount src=$(pwd),target=/root/code/stable-baselines,type=bind araffin/stable-baselines-cpu bash -c "cd /root/code/stable-baselines/ && pytest --cov-config .coveragerc --cov-report term --cov-report xml --cov=. -v tests/ && python-codacy-coverage -r coverage.xml --token=$CODACY_PROJECT_TOKEN"
+  # For pull requests from fork, Codacy token is not available, leading to build failure
+  - 'if [ "$TRAVIS_PULL_REQUEST" != "false" ]; then docker run --rm --network host --ipc=host --mount src=$(pwd),target=/root/code/stable-baselines,type=bind araffin/stable-baselines-cpu bash -c "cd /root/code/stable-baselines/ && pytest --cov-config .coveragerc --cov-report term --cov=. -v tests/"; fi'
+  - 'if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then docker run --env CODACY_PROJECT_TOKEN=$CODACY_PROJECT_TOKEN --rm --network host --ipc=host --mount src=$(pwd),target=/root/code/stable-baselines,type=bind araffin/stable-baselines-cpu bash -c "cd /root/code/stable-baselines/ && pytest --cov-config .coveragerc --cov-report term --cov-report xml --cov=. -v tests/ && python-codacy-coverage -r coverage.xml --token=$CODACY_PROJECT_TOKEN"; fi'