ci.yml

name: CI

on:
  push:
    branches: [main, dev]
  pull_request:
    branches: [main, dev]
  workflow_dispatch:

permissions:
  contents: read

jobs:
  validate:
    name: ${{ matrix.os }} / ${{ matrix.build_type }}
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        build_type: [Debug, Release]
    defaults:
      run:
        shell: bash
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Select strict compiler flags
        run: |
          set -euo pipefail
          strict_flags="-Wall -Wextra -Wpedantic -Werror"
          echo "STRICT_FLAGS=$strict_flags" >> "$GITHUB_ENV"
          echo "INSTALL_PREFIX=$RUNNER_TEMP/cgride-prefix" >> "$GITHUB_ENV"

      - name: Build and install Cgride dependencies
        run: |
          set -euo pipefail
          cmake -E make_directory "$INSTALL_PREFIX"
          clone_dependency() {
            local repo="$1"
            local dest="$RUNNER_TEMP/deps/$repo"
            local ref="${GITHUB_HEAD_REF:-${GITHUB_REF_NAME:-main}}"
            cmake -E make_directory "$RUNNER_TEMP/deps"
            if git clone --depth 1 --branch "$ref" "https://github.com/cgride/$repo.git" "$dest"; then
              return 0
            fi
            rm -rf "$dest"
            if git clone --depth 1 --branch main "https://github.com/cgride/$repo.git" "$dest"; then
              return 0
            fi
            rm -rf "$dest"
            git clone --depth 1 --branch dev "https://github.com/cgride/$repo.git" "$dest"
          }
          build_dependency() {
            local repo="$1"
            local option="$2"
            local src="$RUNNER_TEMP/deps/$repo"
            local build="$RUNNER_TEMP/build-dep-$repo-${{ matrix.build_type }}"
            clone_dependency "$repo"
            cmake -S "$src" -B "$build" \
              -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
              -DCMAKE_INSTALL_PREFIX="$INSTALL_PREFIX" \
              -DCMAKE_PREFIX_PATH="$INSTALL_PREFIX" \
              -DCMAKE_CXX_FLAGS="$STRICT_FLAGS" \
              -D${option}_BUILD_TESTS=OFF
            cmake --build "$build" --parallel
            cmake --install "$build"
          }
          build_dependency core CGRIDE_CORE
          build_dependency graph CGRIDE_GRAPH

      - name: Configure
        run: |
          set -euo pipefail
          cmake -E make_directory "$INSTALL_PREFIX"
          cmake -S . -B "$RUNNER_TEMP/build-${{ matrix.build_type }}" \
            -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
            -DCMAKE_INSTALL_PREFIX="$INSTALL_PREFIX" \
            -DCMAKE_PREFIX_PATH="$INSTALL_PREFIX" \
            -DCMAKE_CXX_FLAGS="$STRICT_FLAGS" \
            -DCGRIDE_EXECUTOR_BUILD_TESTS=ON

      - name: Build
        run: cmake --build "$RUNNER_TEMP/build-${{ matrix.build_type }}" --parallel

      - name: Test
        run: ctest --test-dir "$RUNNER_TEMP/build-${{ matrix.build_type }}" --output-on-failure

      - name: Install
        run: cmake --install "$RUNNER_TEMP/build-${{ matrix.build_type }}"