action.yml

name: Yarn
description: Sets up the Yarn, the Yarn Cache, and installs

inputs:
  cachix-auth-token:
    required: true
    description: "Your Cachix auth token."

runs:
  using: composite
  steps:
    # Install Cachix
    - uses: cachix/install-nix-action@v17
    - name: Setup Cachix
      uses: cachix/cachix-action@v10
      with:
        name: saber
        authToken: ${{ inputs.cachix-auth-token }}

    # Install Node
    - uses: actions/setup-node@v3
    - name: Get yarn cache directory path
      id: yarn-cache-dir-path
      run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
      shell: nix shell .#ci --command bash {0}
    - name: Yarn Cache
      uses: actions/cache@v3
      with:
        path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
        key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}
        restore-keys: |
          ${{ runner.os }}-modules-
    - run: yarn install
      shell: nix shell .#ci --command bash {0}