main.yml

# This is a basic workflow to help you get started with Actions

name: CI

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the main branch
on:
  push:
    branches: [ main, develop ]
  pull_request:
    branches: [ main, develop ]

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build-and-test:
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      # Checks out a copy of your repository on the ubuntu-latest machine
      - name: Checkout code
        uses: actions/checkout@v2

      - name: Install nix
        uses: cachix/install-nix-action@v18
        with:
          install_url: https://releases.nixos.org/nix/nix-2.12.0/install
          extra_nix_config: |
            experimental-features = flakes nix-command

      - uses: cachix/cachix-action@v10
        with:
          name: holochain-ci

      - uses: cachix/cachix-action@v10
        with:
          name: holochain-open-dev

      - name: Install and test
        run: |
          nix develop --command bash -c "npm i && npm t"

      - name: Build UI
        run: |
          nix develop --command bash -c "npm run build -w ui"

  update-nix-cache:
      strategy:
        matrix:
          os: [ ubuntu-latest, ] 
      needs: build-and-test
      if: github.ref == 'refs/heads/master'