default:
  image: adoptopenjdk:13-jdk-hotspot
  tags:
    - opentcs-runner
  before_script:
    # Put GRADLE_USER_HOME into the cache directory so the wrapper and dependencies are not
    # re-downloaded for every job.
    - export GRADLE_USER_HOME=`pwd`/.gradle
  timeout: 15 minutes

include: '.gitlab/docker/codequality/version.yml'

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

variables:
  GRADLE_OPTS: "-Dorg.gradle.daemon=false"
  DO_BUILD_CODEQUALITY_IMAGE:
    value: "false"
    description: "Whether ('true') or not ('false') to (re-)build the Docker image for code quality jobs."
  DO_DEPLOY_PRIVATE:
    value: "false"
    description: "Whether ('true') or not ('false') to deploy artifacts to private (GitLab) repository."
  DO_DEPLOY_PUBLIC:
    value: "false"
    description: "Whether ('true') or not ('false') to deploy artifacts to public repository, e.g. for release builds."
  NO_BUILD_NUMBER:
    value: "false"
    description: "Whether ('true') or not ('false') to exclude the build number in the artifacts' version number, e.g. for release builds."
  SIGNING_KEY:
    value: ""
    description: "The key to use for signing artifacts."
  SIGNING_PASSWORD:
    value: ""
    description: "The password to use for signing artifacts."
  DEPLOY_REPO_PUBLIC_URL:
    value: "https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/"
    description: "URL of the public repository to deploy artifacts to."
  DEPLOY_REPO_PUBLIC_USERNAME:
    value: ""
    description: "User name for logging in with the public repository."
  DEPLOY_REPO_PUBLIC_PASSWORD:
    value: ""
    description: "Password for logging in with the public repository."

stages:
  - build
  - test
  - deploy

build_code_quality_image:
  stage: build
  rules:
    - if: $DO_BUILD_CODEQUALITY_IMAGE == "true"
  image:
    name: gcr.io/kaniko-project/executor:v1.9.1-debug
    entrypoint: [""]
  dependencies: []
  script:
    - echo "Building code quality image with tag ${CODEQUALITY_IMAGE_TAG}..."
    - mkdir -p /kaniko/.docker
    - echo "{\"auths\":{\"${CI_REGISTRY}\":{\"auth\":\"$(printf "%s:%s" "${CI_REGISTRY_USER}" "${CI_REGISTRY_PASSWORD}" | base64 | tr -d '\n')\"}}}" > /kaniko/.docker/config.json
    - '/kaniko/executor
      --context "${CI_PROJECT_DIR}/.gitlab/docker/codequality"
      --dockerfile "${CI_PROJECT_DIR}/.gitlab/docker/codequality/Dockerfile"
      --destination "${CI_REGISTRY_IMAGE}/codequality:${CODEQUALITY_IMAGE_TAG}"'

build:
  stage: build
  interruptible: true
  dependencies: []
  script:
    - ./gradlew -x check release testClasses -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER"
  artifacts:
    paths:
      - build/distributions/*.zip
      - openTCS-*/build/classes/
      - openTCS-*/build/docs/
      - openTCS-*/build/generated/
      - openTCS-*/build/libs/
      - openTCS-*/build/resources/
      - openTCS-*/build/tmp/
    expire_in: 1 week
  cache:
    key: build_test_deploy-$(date +%Y-%m)
    paths:
      - .gradle

test:
  stage: test
  interruptible: true
  dependencies:
    - build
  script:
    - echo "Running unit tests..."
    - ./gradlew test jacocoLogAggregatedCoverage -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER"
  coverage: '/Branch Coverage: ([0-9.]+)%/'
  artifacts:
    paths:
      # Results of (failed) approval tests.
      - openTCS-*/**/*.received.txt
    reports:
      junit: openTCS-*/build/test-results/test/TEST-*.xml
    when: always
    expire_in: 1 week
  cache:
    key: build_test_deploy-$(date +%Y-%m)
    paths:
      - .gradle

lint:
  stage: test
  interruptible: true
  image: ${CI_REGISTRY_IMAGE}/codequality:${CODEQUALITY_IMAGE_TAG}
  variables:
    CHANGELOG_FILE: openTCS-Documentation/src/docs/release-notes/changelog.adoc
    MALFORMED_HEADERS_FILE: malformed_section_headers.txt
    CODE_CLIMATE_FILE: gl-code-quality-report.json
  dependencies:
    - build
  script:
    - echo "Checking for changelog headers that do not match 'Version x.y.z (yyyy-mm-dd)'..."
    - '( grep --extended-regexp "^==[^=]" $CHANGELOG_FILE
        | grep --invert-match --extended-regexp "^== Version [0-9]+\.[0-9]+(\.[0-9]+)? +\([0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9]\)$"
        > $MALFORMED_HEADERS_FILE )
      || true'
    - 'if [ -s $MALFORMED_HEADERS_FILE -a $NO_BUILD_NUMBER = "true" ] ; then
        echo "Found malformed changelog headers:" ;
        cat $MALFORMED_HEADERS_FILE ;
        exit 1 ;
      fi'
    - rm -f $MALFORMED_HEADERS_FILE
    - echo "Running CheckStyle checks..."
    - ./gradlew checkstyleMain checkstyleTest checkstyleGuiceConfig
    - echo "Converting CheckStyle reports to CodeClimate report..."
    - violations-command-line -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: $CODE_CLIMATE_FILE
    when: always
    expire_in: 1 week
  cache:
    key: lint_checkstyle-$(date +%Y-%m)
    paths:
      - .gradle

deploy_private:
  stage: deploy
  rules:
    - if: $DO_DEPLOY_PRIVATE == "true"
  dependencies:
    - build
  script:
    - './gradlew -x check publish
        -PDO_DEPLOY_PRIVATE="true"
        -PDO_DEPLOY_PUBLIC="false"
        -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER"
        -PSIGNING_KEY="$SIGNING_KEY"
        -PSIGNING_PASSWORD="$SIGNING_PASSWORD"'
  cache:
    key: build_test_deploy-$(date +%Y-%m)
    paths:
      - .gradle
    policy: pull

deploy_public:
  stage: deploy
  rules:
    - if: $DO_DEPLOY_PUBLIC == "true"
  dependencies:
    - build
  script:
    - './gradlew -x check publish
        -PDO_DEPLOY_PRIVATE="false"
        -PDO_DEPLOY_PUBLIC="true"
        -PNO_BUILD_NUMBER="$NO_BUILD_NUMBER"
        -PSIGNING_KEY="$SIGNING_KEY"
        -PSIGNING_PASSWORD="$SIGNING_PASSWORD"
        -PDEPLOY_REPO_PUBLIC_URL="$DEPLOY_REPO_PUBLIC_URL"
        -PDEPLOY_REPO_PUBLIC_USERNAME="$DEPLOY_REPO_PUBLIC_USERNAME"
        -PDEPLOY_REPO_PUBLIC_PASSWORD="$DEPLOY_REPO_PUBLIC_PASSWORD"'
  cache:
    key: build_test_deploy-$(date +%Y-%m)
    paths:
      - .gradle
    policy: pull