include:
  - project: 'freedesktop/ci-templates'
    ref: 3f37cc0e461f5b0c815409bf6f55759f26a74e9c
    file:
      - '/templates/ci-fairy.yml'
      - '/templates/alpine.yml'

# When updating the prepare-container step, make sure to bump
# FDO_DISTRIBUTION_TAG, otherwise the container won't get rebuilt.
# To force a rebuild of the container, use:
# $ git push -f -o ci.variable="FDO_FORCE_REBUILD=1"
variables:
  FDO_UPSTREAM_REPO: 'emersion/libdisplay-info'
  FDO_DISTRIBUTION_TAG: '2024-10-20.0'

workflow:
  rules:
    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
    - if: $CI_PIPELINE_SOURCE == 'push'

stages:
  - "Contribution checks"
  - "Prepare container"
  - "Build and test"
  - "Publish"

check-mr:
  extends: .fdo.ci-fairy
  stage: "Contribution checks"
  script:
   - ci-fairy check-commits --signed-off-by
   - ci-fairy check-merge-request --require-allow-collaboration
  rules:
    - if: '$CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "main"'
      when: always
    - when: never

prepare-container:
  extends: .fdo.container-build@alpine@x86_64
  stage: "Prepare container"
  variables:
    EDID_DECODE_COMMIT: f6270b7ce87eed140234db1119890cb90b781ed7
    FDO_BASE_IMAGE: alpine:latest
    FDO_DISTRIBUTION_PACKAGES: |
      build-base clang compiler-rt meson make git gcovr py3-pygments go hwdata
    FDO_DISTRIBUTION_EXEC: |
      grep $EDID_DECODE_COMMIT ./subprojects/v4l-utils.wrap >/dev/null || \
        (echo "Keep v4l-utils.wrap and CI in sync!" && exit 1)
      git clone https://git.linuxtv.org/v4l-utils.git
      cd v4l-utils
      git checkout $EDID_DECODE_COMMIT
      meson setup build/ -Dauto_features=disabled
      ninja -C build/
      ninja -C build/ install
      cd ..
      rm -rf edid-decode

      go install git.sr.ht/~emersion/gyosu@latest
      mv ~/go/bin/gyosu /usr/bin/
      rm -rf ~/go
  rules:
    - when: on_success

testing-check:
  extends: .fdo.distribution-image@alpine
  stage: "Build and test"
  script:
   - |
     # Check if the origin of all test EDIDs is documented
     for f in ./test/data/*.edid; do
       grep -q "^$(basename ${f%.edid})\s" ./test/data/README.md ||
         (echo "$f not in README.md" && exit 1)
     done
     # Check if the test references checked in the repo match what we have in CI
     meson setup build/
     ninja -C build/ gen-test-data
     git diff --quiet ||
       (echo "Checked in reference output does not match generated reference output" && exit 1)
  rules:
    - when: on_success

build-gcc:
  extends: .fdo.distribution-image@alpine
  stage: "Build and test"
  script:
    - CC=gcc meson setup build/ --fatal-meson-warnings -Dwerror=true -Db_coverage=true
    - ninja -C build/
    - ninja -C build/ test
    - ninja -C build/ -j1 coverage-xml coverage-html
  artifacts:
    when: always
    paths:
      - build/meson-logs/
    reports:
      junit: build/meson-logs/testlog.junit.xml
      coverage_report:
        coverage_format: cobertura
        path: build/meson-logs/coverage.xml
  rules:
    - when: on_success

build-clang:
  extends: .fdo.distribution-image@alpine
  stage: "Build and test"
  script:
    - CC=clang meson setup build/ --fatal-meson-warnings -Dwerror=true -Db_sanitize=address,undefined -Db_lundef=false
    - ninja -C build/
    - UBSAN_OPTIONS=halt_on_error=1 ninja -C build/ test
  artifacts:
    when: always
    paths:
      - build/meson-logs/
    reports:
      junit: build/meson-logs/testlog.junit.xml
  rules:
    - when: on_success

build-docs:
  extends: .fdo.distribution-image@alpine
  stage: "Build and test"
  script:
    - gyosu -I$PWD/include/ -fexported-symbols='di_*'
      -ffile-prefix-map=$PWD/include/= -fsite-name=libdisplay-info
      -o public $PWD/include/libdisplay-info/
  artifacts:
    paths:
      - public/
  rules:
    - when: on_success

pages:
  extends: .fdo.distribution-image@alpine
  stage: "Publish"
  script:
    - "true"
  artifacts:
    paths:
      - public/
  rules:
    - if: '$CI_PROJECT_PATH == "emersion/libdisplay-info" && $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'
      when: on_success
    - when: never