GitHub Actions Workflow for Updating browserlist db

browserlist.yml

name: Update browserslist

on:
  schedule:
    - cron: '0 0 1 */3 *'
  workflow_dispatch:

jobs:
  update:
    runs-on: ubuntu-latest
    permissions: write-all
    steps:
      - uses: actions/checkout@v3

      - uses: actions/setup-node@v3
        with:
          node-version-file: '.nvmrc'
          check-latest: true

      - name: Update browserslist
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          npx browserslist@latest --update-db
          if git rev-parse --verify HEAD >/dev/null 2>&1
          then
            against=HEAD
          else
            # Initial commit: diff against an empty tree object
            against=$(git hash-object -t tree /dev/null)
          fi
          git add -AN
          if test $(git diff --name-only $against | wc -l) == 0
          then
            exit 0
          fi
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          CANIUSE_LITE_VERSION=$(npm ls caniuse-lite | grep caniuse-lite@ | grep -v deduped | sed 's/.*caniuse-lite@\(.*\)$/\1/')
          BRANCH_NAME="workflow/browserslist/caniuse-lite@$CANIUSE_LITE_VERSION"
          git checkout -b "$BRANCH_NAME"
          git commit yarn.lock -m 'npx browserslist@latest --update-db'
          git push -f --set-upstream origin "$BRANCH_NAME"
          gh pr create --base "master" --title "Bump caniuse-lite to $CANIUSE_LITE_VERSION" --body "#accept2ship" --assignee "CatChen" --reviewer "CatChen"