dependabot-yarn-mirror.yml

name: dependabot-yarn-mirror

on:
  push:
    branches: [ dependabot/**/* ]
  pull_request:
    branches: [ dependabot/**/* ]

concurrency:
  group: dependabot-yarn-mirror-${{ github.ref }}
  cancel-in-progress: true

jobs:
  yarn-mirror:
    if: github.repository == 'carbon-design-system/carbon-for-ibm-dotcom-website'
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: ['18.x']
    steps:
      - uses: actions/checkout@v2
        with:
          token: ${{ secrets.GH_TOKEN }}
      - name: Use Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'yarn'
      - name: Get branch name
        shell: bash
        run: echo "##[set-output name=branch;]$(echo ${GITHUB_REF#refs/heads/})"
        id: get_branch
      - name: Install dependencies
        run: yarn install
      - name: Push changes
        run: |
          if [ -z "$(git status --porcelain)" ]; then
            echo "Mirror is clean, exiting..."
          else
            git config --global user.email ${{ secrets.BOT_EMAIL }}
            git config --global user.name ${{ secrets.BOT_NAME }}

            git add -A
            git commit -m "chore(yarn): update yarn offline mirror"
            git push origin ${{ steps.get_branch.outputs.branch }}
          fi