cloudbuild.yaml

steps:
  - name: 'gcr.io/cloud-builders/gcloud'
    args:
      - -c
      - |
        on_going_build=($(gcloud builds list --ongoing --format='value(id)' --filter="substitutions._TRIGGER_ID=$_TRIGGER_ID" | xargs))
        for (( i=0; i<${#on_going_build[@]}; i++ )); do
          if [ "$i" -gt "0" ]; then # skip current
            echo "Cancelling build ${on_going_build[i]}"
            gcloud builds cancel --no-user-output-enabled ${on_going_build[i]}
          fi
        done
    id: "Cancel ongoing builds"
    entrypoint: 'bash'
  - name: gcr.io/cloud-builders/mvn
    env:
      - 'GITHUB_USERNAME=${_GITHUB_USERNAME}'
      - 'GITHUB_TOKEN=${_GITHUB_TOKEN}'
    args:
      - '-s'
      - './.mvn/wrapper/settings.xml'
      - '-B'
      - 'javadoc:jar'
      - 'source:jar'
      - 'deploy'
    id: "Push to github maven repository"
options:
  machineType: UNSPECIFIED
  substitutionOption: ALLOW_LOOSE
timeout: "7200s"