image: ubuntu:22.04

variables:

  SONAR_SERVER_URL: https://sonarcloud.io
  SONAR_SCANNER_VERSION: 4.6.1.2450
  BUILD_WRAPPER_OUT_DIR: bw-output # Directory where build-wrapper output will be placed
  
  SONAR_USER_HOME: "${CI_PROJECT_DIR}/.sonar"  # Defines the location of the analysis task cache
  GIT_DEPTH: "0"  # Tells git to fetch all the branches of the project, required by the analysis task
  # note that SONAR_TOKEN is transmitted to the environment through Gitlab CI

stages:
  - .pre
  - build


get-sonar-binaries:
  # this job download and unpacks the build-wrapper and the sonar-scanner
  # in this example it is done for every build.
  # This can be optimized by caching the files or better, by including them, in the build docker image.
  stage: .pre

  before_script:
    - DEBIAN_FRONTEND=noninteractive apt-get update
    - DEBIAN_FRONTEND=noninteractive apt install -y curl zip unzip
  script:
    # Download sonar-scanner
    - curl -sSLo sonar-scanner.zip "https://binaries.sonarsource.com/Distribution/sonar-scanner-cli/sonar-scanner-cli-${SONAR_SCANNER_VERSION}-linux.zip"
    - unzip -o sonar-scanner.zip
    - mv sonar-scanner-${SONAR_SCANNER_VERSION}-linux sonar-scanner
    # Download build-wrapper
    - curl -sSLo build-wrapper.zip "${SONAR_SERVER_URL}/static/cpp/build-wrapper-linux-x86.zip"
    - unzip -o build-wrapper.zip
    - mv build-wrapper-linux-x86 build-wrapper
  cache:
    policy: push
    key: "${CI_COMMIT_SHORT_SHA}"
    paths:
      - build-wrapper/ # to share the build-wrapper between jobs
      - sonar-scanner/ # to share the sonar-scanner between jobs

build:
  stage: build
  # install the necessary build tools when needed
  before_script:
    - DEBIAN_FRONTEND=noninteractive apt-get update
    - DEBIAN_FRONTEND=noninteractive apt install -y gcc g++ cmake make curl git flex bison libeigen3-dev uuid-dev libboost-system-dev libboost-program-options-dev libboost-test-dev libboost-timer-dev libboost-chrono-dev libboost-serialization-dev libbliss-dev gcovr zip unzip
    - git clone  --depth 1 --branch 22.12 https://github.com/ths-rwth/carl carl && cd carl
    - mkdir build && cd build && cmake .. -DUSE_LIBPOLY=OFF
    - make -j`nproc` carl-common
    - make -j`nproc` carl-arith
    - make -j`nproc` carl-logging
    - make -j`nproc` carl-formula
    - cd ../..
  script:
    # prepare the build tree
    - mkdir build && cd build && cmake .. -DHYPRO_CICD=ON && cd ..
    # run the build inside the build wrapper
    - build-wrapper/build-wrapper-linux-x86-64 --out-dir "${BUILD_WRAPPER_OUT_DIR}" cmake --build build/ --config Release
    # execute tests - required to get coverage reports
    - cd build && make test
    # collect coverage and write it to coverage.xml, which will be collected by the scanner
    - gcovr -r ../ --sonarqube ../coverage.xml && cd ..
    # run the scanner to collect and upload all information on static analysis and coverage
    - sonar-scanner/bin/sonar-scanner -X --define sonar.host.url="${SONAR_SERVER_URL}" -Dsonar.token="${SONAR_TOKEN}"
  artifacts:
    paths:
      - .
    exclude:
      - .git
      - .git/**/*
      - build/**/*.o
    expire_in: 3 days

  cache:
    policy: pull-push
    key: "${CI_COMMIT_SHORT_SHA}"
    paths:
      - build-wrapper/
      - sonar-scanner/