name: build

on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:

    - name: Checkout
      uses: actions/checkout@v2

    - name: Setup Node.js
      uses: actions/setup-node@v1
      with:
        node-version: 10.x

    - name: Yarn cache
      uses: actions/cache@v2
      with:
        path: .yarn/cache
        key: yarn-${{ hashFiles('yarn.lock') }}
        restore-keys: yarn-

    - name: Yarn install
      run: yarn install --immutable

    - name: TypeScript
      run: yarn check

    - name: Build
      run: yarn build

    - name: Check dist
      run: |
        if [[ "$(git status --porcelain)" != "" ]]; then
          echo "Build in dist/ is outdated"
          exit 1
        fi

    - name: Install plugin
      run: yarn plugin import ./dist/yarn-plugin-nixify.js

    - name: Test without Nix
      run: yarn

    - name: Install Nix
      uses: nixbuild/nix-quick-install-action@v3

    - name: Test with Nix
      run: yarn

    - name: Test nix-build
      run: nix-build
      env:
        NIX_PATH: nixpkgs=channel:nixpkgs-unstable