# Copyright (c) 2019-2025 Arm Limited.
#
# SPDX-License-Identifier: MIT
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

workflow:
  rules:
    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
    - if: $CI_COMMIT_TAG
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH

stages: [lint, build]

# Shared setup: toolchain + Vulkan Loader/Headers
.vulkan_loader_setup: &vulkan_loader_setup
  - set -euo pipefail
  - pwd
  - uname -a
  # Retry a few times on transient mirror/metadata issues
  - |
    max_tries=6
    for i in $(seq 1 "$max_tries"); do
      dnf -y --refresh --best --setopt=install_weak_deps=False install \
        make cmake gcc gcc-c++ python3 git clang clang-tools-extra \
        pkgconf-pkg-config \
        'pkgconfig(x11)' 'pkgconfig(xrandr)' 'pkgconfig(xcb)' 'pkgconfig(x11-xcb)' \
        'pkgconfig(xkbcommon)' 'pkgconfig(wayland-client)' && break || {
          echo "DNF install attempt $i/$max_tries failed; retrying in 10s."; sleep 10;
        }
    done
    if [ "$i" -eq "$max_tries" ]; then
      echo "DNF failed after $max_tries attempts"; exit 1;
    fi
  - clang-tidy --version || true
  - gcc --version || true
  - cmake --version || true
  - mkdir -p /build
  - pushd /build
  - git clone --depth=1 https://github.com/KhronosGroup/Vulkan-Loader.git
  - cd Vulkan-Loader
  - mkdir -p build && cd build
  - ../scripts/update_deps.py --cmake_var VULKAN_HEADERS_ENABLE_MODULE=OFF
  - cmake -C helper.cmake ..
  - make -j"$(nproc)"
  - make install
  - popd

pre-commit:
  stage: lint
  image: python:3.10.6
  rules:
    - if: $CI_MERGE_REQUEST_DIFF_BASE_SHA
  before_script:
    - apt-get update
    - DEBIAN_FRONTEND=noninteractive apt-get install -y git
  script:
    - pip install pre-commit
    - echo Using $CI_MERGE_REQUEST_DIFF_BASE_SHA as Pre-commit base
    - pre-commit run --show-diff-on-failure --from-ref "$CI_MERGE_REQUEST_DIFF_BASE_SHA" --to-ref HEAD

clang_tidy:
  stage: lint
  image: "registry.fedoraproject.org/fedora"
  rules:
    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
  before_script:
    - *vulkan_loader_setup
  script:
    # Generate compile_commands.json (no build needed)
    - mkdir -p build
    - >
      cmake -S . -B build
      -DCMAKE_EXPORT_COMPILE_COMMANDS=ON
      -DVULKAN_CXX_INCLUDE=/build/Vulkan-Loader/build/Vulkan-Headers/build/install/include
    - test -f build/compile_commands.json || { echo "compile_commands.json missing"; exit 2; }
    # Run clang-tidy across all TUs in the DB; restrict diagnostics to this repo
    - set +e
    - set -o pipefail
    - |
      run-clang-tidy -p build -j "$(nproc)" -quiet -header-filter="$(pwd)/.*" \
      -checks='*,
      -bugprone-easily-swappable-parameters,
      -bugprone-exception-escape,
      -bugprone-implicit-widening-of-multiplication-result,
      -bugprone-sizeof-expression,
      -bugprone-suspicious-stringview-data-usage,
      -bugprone-use-after-move,

      -cert-dcl50-cpp,
      -cert-err33-c,
      -cert-err58-cpp,

      -clang-analyzer-optin.performance.Padding,

      -concurrency-mt-unsafe,

      -cppcoreguidelines-avoid-c-arrays,
      -cppcoreguidelines-avoid-const-or-ref-data-members,
      -cppcoreguidelines-avoid-do-while,
      -cppcoreguidelines-avoid-magic-numbers,
      -cppcoreguidelines-avoid-non-const-global-variables,
      -cppcoreguidelines-explicit-virtual-functions,
      -cppcoreguidelines-init-variables,
      -cppcoreguidelines-macro-usage,
      -cppcoreguidelines-non-private-member-variables-in-classes,
      -cppcoreguidelines-no-malloc,
      -cppcoreguidelines-noexcept-move-operations,
      -cppcoreguidelines-owning-memory,
      -cppcoreguidelines-prefer-member-initializer,
      -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
      -cppcoreguidelines-pro-bounds-constant-array-index,
      -cppcoreguidelines-pro-bounds-pointer-arithmetic,
      -cppcoreguidelines-pro-type-const-cast,
      -cppcoreguidelines-pro-type-cstyle-cast,
      -cppcoreguidelines-pro-type-member-init,
      -cppcoreguidelines-pro-type-reinterpret-cast,
      -cppcoreguidelines-pro-type-union-access,
      -cppcoreguidelines-pro-type-vararg,
      -cppcoreguidelines-special-member-functions,
      -cppcoreguidelines-use-default-member-init,

      -hicpp-avoid-c-arrays,
      -hicpp-braces-around-statements,
      -hicpp-explicit-conversions,
      -hicpp-invalid-access-moved,
      -hicpp-member-init,
      -hicpp-named-parameter,
      -hicpp-no-array-decay,
      -hicpp-no-malloc,
      -hicpp-noexcept-move,
      -hicpp-signed-bitwise,
      -hicpp-special-member-functions,
      -hicpp-uppercase-literal-suffix,
      -hicpp-use-equals-default,
      -hicpp-use-equals-delete,
      -hicpp-use-nullptr,
      -hicpp-use-override,
      -hicpp-vararg,

      -misc-const-correctness,
      -misc-include-cleaner,
      -misc-misplaced-const,
      -misc-non-private-member-variables-in-classes,
      -misc-use-anonymous-namespace,
      -misc-use-internal-linkage,

      -performance-enum-size,
      -performance-noexcept-move-constructor,

      -readability-avoid-const-params-in-decls,
      -readability-braces-around-statements,
      -readability-container-data-pointer,
      -readability-container-size-empty,
      -readability-const-return-type,
      -readability-convert-member-functions-to-static,
      -readability-else-after-return,
      -readability-function-cognitive-complexity,
      -readability-identifier-length,
      -readability-implicit-bool-conversion,
      -readability-inconsistent-declaration-parameter-name,
      -readability-magic-numbers,
      -readability-make-member-function-const,
      -readability-named-parameter,
      -readability-qualified-auto,
      -readability-redundant-member-init,
      -readability-simplify-boolean-expr,
      -readability-uppercase-literal-suffix,

      -altera-*,
      -boost-*,
      -fuchsia-*,
      -google-*,
      -llvm-*,
      -llvmlibc-*,
      -modernize-*' \
      | tee clang-tidy.log
    - set -e
    # Fail if any warnings/errors were emitted for repo files
    - |
      if grep -E "^(.*):[0-9]+:[0-9]+: (warning|error):" clang-tidy.log >/dev/null; then
        echo "clang-tidy found issues. See clang-tidy.log"; exit 1
      fi
  allow_failure: false
  artifacts:
    when: always
    paths:
      - clang-tidy.log
      - build/compile_commands.json

build_vulkan_wsi_layer:
  stage: build
  image: "registry.fedoraproject.org/fedora"
  # Build on MRs, default branch, and tags (so tag pipelines perform a build)
  rules:
    - if: $CI_PIPELINE_SOURCE == 'merge_request_event'
    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
    - if: $CI_COMMIT_TAG
  before_script:
    - *vulkan_loader_setup
  script:
    - pwd
    - mkdir -p build
    - cd build
    - cmake .. -DVULKAN_CXX_INCLUDE=/build/Vulkan-Loader/build/Vulkan-Headers/build/install/include
    - make -j"$(nproc)"