.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: 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: Install emsdk
        run: |
          EM_CONFIG=$HOME/emsdk/.emscripten
          echo "emscripten config file: $EM_CONFIG"
          echo "EM_CONFIG=$EM_CONFIG" >> $GITHUB_ENV
          curl -# -L -o ~/emsdk-main.tar.gz https://github.com/emscripten-core/emsdk/archive/main.tar.gz
          tar -C ~ -xf ~/emsdk-main.tar.gz
          mv ~/emsdk-main ~/emsdk
          cd ~/emsdk
          ./emsdk install tot
          ./emsdk activate tot
          echo "emscripten config file ($EM_CONFIG) contents:"
          cat $EM_CONFIG
      - 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        # to be out of date in this case.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            echo "Test expectations are out-of-date on the target branch."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."
            echo ""
            echo "You can also run './tools/maint/rebaseline_tests.py --new-branch'"
            echo "and use it to create a seperate PR."
            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