Clone Another Repository in Your GitHub Actions

To clone another repository from Github Action use

    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          repository: dshumsky/quartz
          path: './quartz'
          ref: refs/heads/main
          token: ${{ secrets.GH_TOKEN_QUARTZ }}

token is required if you clone private repo from public repo.