build.yml

name: Build

on:
  push:
  pull_request:

jobs:
  build:
    container: ghcr.io/doldecomp/mkdd-build:main

    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        version: [MarioClub_us]

    steps:
    # Checkout the repository
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-depth: 0
        submodules: recursive

    # Set Git config
    - name: Git config
      run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

    # Determine which .cpp files changed (PR: vs base branch; push: vs prev commit)
    - name: Changed .cpp files
      run: |
        if [ "${{ github.event_name }}" = "pull_request" ]; then
          base="${{ github.event.pull_request.base.sha }}"
        else
          base="${{ github.event.before }}"
        fi
        if [ -z "$base" ] \
           || [ "$base" = "0000000000000000000000000000000000000000" ] \
           || ! git rev-parse -q --verify "$base^{commit}" >/dev/null 2>&1; then
          base="$(git rev-parse -q --verify HEAD~1 || true)"
        fi
        if [ -n "$base" ]; then
          git diff --name-only --diff-filter=d "$base" HEAD -- '*.cpp' \
            > changed_cpp.txt
        else
          : > changed_cpp.txt
        fi
        echo "Changed .cpp files:"; cat changed_cpp.txt

    # Normalize file mod times
    - name: Restore timestamps
      run: |
        uv run https://raw.githubusercontent.com/MestreLion/git-tools/refs/tags/v2022.12/git-restore-mtime \
            --merge --commit-time

    # Copy the original files to the workspace
    - name: Prepare
      run: cp -a /orig .

    # Restore cached files
    - name: Cache build
      uses: actions/cache@v4
      with:
        path: |
          build
          .ninja_deps
          .ninja_log
        key: ${{ runner.os }}-${{ matrix.version }}-${{ github.sha }}
        restore-keys: ${{ runner.os }}-${{ matrix.version }}-

    # Build the project
    - name: Build
      run: |
        python configure.py --map --version ${{ matrix.version }} \
            --binutils /binutils --compilers /compilers
        ninja all_source progress build/${{ matrix.version }}/report.json

    # Upload map files
    - name: Upload map
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.version }}_maps
        path: build/${{ matrix.version }}/**/*.MAP

    # Upload progress report
    - name: Upload report
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.version }}_report
        path: build/${{ matrix.version }}/report.json

    # Validate map symbol presence/order/linkage for each changed .cpp
    - name: Validate symbol order
      run: |
        if [ ! -s changed_cpp.txt ]; then
          echo "No changed .cpp files; nothing to validate."
          exit 0
        fi
        NM="$(command -v powerpc-eabi-nm || true)"
        if [ -z "$NM" ]; then
          NM="$(find /binutils -name powerpc-eabi-nm -type f 2>/dev/null | head -1)"
        fi
        if [ -z "$NM" ] || [ ! -x "$NM" ]; then
          echo "::error:: powerpc-eabi-nm not found; cannot run symbol-order check."
          exit 1
        fi
        export NM
        echo "Using nm: $NM"
        python tools/check-changed-symbol-order.py $(cat changed_cpp.txt)