.github/workflows/ci.yml

name: CI

on:
  create:
    tags:
  push:
    branches:
      - main
  pull_request:

permissions:
  contents: read

jobs:
  archive:
    name: Archive
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
    - name: make dist
      run: |
        make dist
        version=`cat emscripten-version.txt | sed s/\"//g`
        echo "VERSION=$version" >> $GITHUB_ENV
    - uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.5
      with:
        name: emscripten-${{ env.VERSION }}
        path: emscripten-${{ env.VERSION }}.tar.bz2

  codesize-checks:
    name: Codesize Checks
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - name: Install emsdk
        uses: emscripten-core/setup-emsdk@v16
        with:
          version: tot
      - name: Set EM_CONFIG
        run:
          echo "EM_CONFIG=$EMSDK/.emscripten" >> $GITHUB_ENV
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          submodules: true
          fetch-depth: 0 # We want access to other branches, specifically `main`
      - name: pip install
        run: |
          which python3
          python3 --version
          python3 -m pip install -r requirements-dev.txt
      - name: Check test expectations on target branch
        # Skip this step for rebaseline PRs, since the target branch is expected
        # to be out of date in this case.
        if: "!contains(github.event.pull_request.title, 'Automatic rebaseline of codesize expectations')"
        run: |
          echo "Checking out ${{ github.base_ref }}"
          git checkout ${{ github.base_ref }}
          git rev-parse HEAD
          # Uncomment this like to pull the rebaseline_tests.py from the
          # current branch:
          # git checkout - ./tools/maint/rebaseline_tests.py
          ./bootstrap
          if ! ./tools/maint/rebaseline_tests.py --check-only; then
            echo ""
            echo "Test expectations are out-of-date on the target branch."
            echo "Please run the 'Rebaseline Tests' github action on the target"
            echo "branch (normally 'main') before proceeding.  You can do this"
            echo "from the web UI or from the command line:"
            echo ""
            echo "  gh workflow run rebaseline-tests.yml"
            echo ""
            echo "You can also run the following command locally and upload"
            echo "your own PR:"
            echo ""
            echo "  ./tools/maint/rebaseline_tests.py --new-branch'"
            exit 1
          fi
      - name: Check test expectations on PR branch
        run: |
          echo "Checking out ${{ github.ref }} (${{ github.sha }})"
          # For some reason we cannot pass ${{ github.ref }} direclty to git
          # since it doesn't recognise it.
          git checkout ${{ github.sha }}
          git rev-parse HEAD
          ./bootstrap
          if ! ./tools/maint/rebaseline_tests.py --check-only --clear-cache; then
            echo "Test expectations are out-of-date on the PR branch."
            echo "You can run './tools/maint/rebaseline_tests.py' to"
            echo "create a commit updating the expectations."
            echo "Be sure to have 'emsdk install tot' first."
            echo "-- This failure is only a warning and can be ignored"
            exit 1
          fi

  clang-format-diff:
    # This job is disabled until we can make it more precise
    if: false
    env:
      LLVM_VERSION: 19
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      # Fetch all history for all tags and branches
      with:
        fetch-depth: 0
    - name: Install clang-format
      run: |
        sudo apt-get install clang-format-19
        sudo update-alternatives --install /usr/bin/git-clang-format git-clang-format /usr/bin/git-clang-format-19 100
    - run: tools/maint/clang-format-diff.sh origin/$GITHUB_BASE_REF