image: adoptopenjdk:13-jdk-hotspot

workflow:
  rules:
    - if: $CI_MERGE_REQUEST_IID
    - if: $CI_COMMIT_TAG
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
    - if: $CI_PIPELINE_SOURCE == "web"

variables:
  GRADLE_OPTS: "-Dorg.gradle.daemon=false"
  DO_DEPLOY:
    value: "false"
    description: "Whether (true) or not (false) to deploy."
  NO_BUILD_NUMBER:
    value: "false"
    description: "Whether (true) or not (false) to exclude the build number from the artifacts' version numbers."

before_script:
  # Put GRADLE_USER_HOME into the cache directory so the wrapper is not
  # re-downloaded for every job.
  - export GRADLE_USER_HOME=/cache/.gradle

cache:
  key: ${CI_COMMIT_REF_SLUG}

stages:
  - build
  - test

build:
  stage: build
  tags:
    - opentcs-runner
  script:
    - echo "CI_PIPELINE_IID is $CI_PIPELINE_IID"
    - echo "DO_DEPLOY is $DO_DEPLOY"
    - echo "NO_BUILD_NUMBER is $NO_BUILD_NUMBER"
    - 'if [ "$DO_DEPLOY" = "true" ]; then
        echo "Executing build with deployment...";
        ./gradlew clean build publish jacocoLogAggregatedCoverage -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER";
      else
        echo "Executing build without deployment...";
        ./gradlew clean build jacocoLogAggregatedCoverage -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER";
      fi'
  coverage: '/Branch Coverage: ([0-9.]+)%/'
  artifacts:
    paths:
      - build/distributions/*.zip
      - openTCS-*/build/reports/checkstyle/*.xml
      - openTCS-*/build/test-results/test/TEST-*.xml
    reports:
      junit: openTCS-*/build/test-results/test/TEST-*.xml
    when: always
    expire_in: 1 week

ensure_tests_passed:
  stage: test
  tags:
    - opentcs-runner
  variables:
    CONCATENATED_REPORT_FILE: concatenated-test-reports.xml
  script:
    - echo "Checking test reports for failures..."
    - rm -f $CONCATENATED_REPORT_FILE
    - find . -name "TEST-*.xml" -exec cat '{}' + >> $CONCATENATED_REPORT_FILE
    # There are examples of simply using 'grep -L "<failure", but the
    # grep we have here doesn't provide the expected exit status with
    # that, so we stick to plain grep and an if-else clause.
    - 'if grep "<failure" $CONCATENATED_REPORT_FILE ; then
        echo "There are failed tests - failing this job...";
        false;
      else
        echo "No failed tests here.";
        true;
      fi'

code_quality:
  stage: test
  tags:
    - opentcs-runner
  variables:
    CODE_CLIMATE_FILE: gl-code-quality-report.json
  script:
    - echo "Installing dependencies required for violations-command-line..."
    - apt update && apt upgrade -y
    - apt install -y nodejs npm
    - npm install -g npx
    - echo "Converting CheckStyle reports to CodeClimate report..."
    - npx violations-command-line@1.21.0 -cc $CODE_CLIMATE_FILE -print-violations false -diff-print-violations true -v "CHECKSTYLE" "." ".*checkstyle/.*\.xml$" "Checkstyle"
    - sed -i.bak -e "s,$CI_PROJECT_DIR/,,g" $CODE_CLIMATE_FILE
  artifacts:
    reports:
      codequality: $CODE_CLIMATE_FILE
  rules:
    - if: '$CODE_QUALITY_DISABLED'
      when: never
    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"' # Run code quality job in merge request pipelines
    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'      # Run code quality job in pipelines on the master branch (but not in other branch pipelines)
    - if: '$CI_COMMIT_TAG'                               # Run code quality job in pipelines for tags