SnapOtter/.github/workflows/update-visual-baselines.yml

name: Update Visual Baselines

on:
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  update-baselines:
    name: Regenerate linux visual baselines
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
      - uses: ./.github/actions/setup
      - name: Get Playwright version
        id: pw-version
        run: echo "version=$(node -p "require('@playwright/test/package.json').version")" >> "$GITHUB_OUTPUT"
      - name: Cache Playwright browsers
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        with:
          path: ~/.cache/ms-playwright
          key: playwright-${{ runner.os }}-${{ steps.pw-version.outputs.version }}
      - name: Install Playwright Chromium
        run: pnpm playwright install --with-deps chromium
      - name: Regenerate baselines
        run: pnpm playwright test --project=chromium-visual --update-snapshots
        env:
          PW_WORKERS: "2"
      - name: Open PR with refreshed baselines
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if git diff --quiet -- 'tests/e2e/__screenshots__'; then
            untracked=$(git ls-files --others --exclude-standard -- 'tests/e2e/__screenshots__')
            if [ -z "$untracked" ]; then
              echo "No baseline changes."
              exit 0
            fi
          fi
          BRANCH="chore/visual-baselines-${GITHUB_RUN_ID}"
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git checkout -b "$BRANCH"
          git add tests/e2e/__screenshots__
          git commit -m "test(e2e): refresh linux visual baselines"
          git push origin "$BRANCH"
          gh pr create --title "test(e2e): refresh linux visual baselines" \
            --body "Automated baseline refresh from the update-visual-baselines workflow. Review the image diffs before merging." \
            --base main --head "$BRANCH"