.travis.yml

# More details on how to configure the Travis build
# https://docs.travis-ci.com/user/customizing-the-build/

language: java

jdk:
  - openjdk8

#Skipping install step to avoid having Travis run arbitrary './gradlew assemble' task
# https://docs.travis-ci.com/user/customizing-the-build/#Skipping-the-Installation-Step
install:
  - true

# We need to checkout origin/master for Spotless ratchetFrom functionality,
# so remove the --depth clone argument since it implies --single-branch.
git:
  depth: false

#Don't build tags
branches:
  except:
    - /^v\d/

#Build and perform release (if needed)
script:

  # 1. Print output every minute to avoid travis timeout
  - while sleep 1m; do echo "=====[ $SECONDS seconds elapsed -- still running ]====="; done &

  # 2. To validate changes, we run building and bintray upload in dry run. This happens on every build, even PRs.
  # To publish, we perform github release and perform bintray upload (no dry run). This only for main branch builds.
  - >
    ./gradlew build bintrayUpload --s -PbintrayDryRun
    && if [ "$TRAVIS_PULL_REQUEST" = "false" ] && [ "$TRAVIS_BRANCH" = "master" ];
      then ./gradlew githubRelease bintrayUpload --s; fi

  # 3. Killing background sleep loop
  - kill %1