ci.yml

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

name: CI

# Controls when the action will run. 
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches:
       - dev
  schedule:
       # Once a week on saturday
       - cron: '7 13 * * 6' 
  workflow_dispatch:
env:
  NUR_REPO: instantos
  CACHIX_CACHE: instantos
  NIXPKGS_ALLOW_BROKEN: 0
  CACHIX_SIGNING_KEY: ${{ secrets.CACHIX_SIGNING_KEY }}
  DEFAULT_NIX_CHANNEL: nixos-21.05
  # Allows you to run this workflow manually from the Actions tab
# 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:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest
    name: ${{ matrix.channel-branch }} 
    strategy: 
      matrix:
        channel-branch:
            - master
            - nixpkgs-unstable
            - nixos-unstable

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
        with:
          ref: dev
      - uses: cachix/install-nix-action@v15
      - uses: cachix/cachix-action@v10
        with:
          name: '${{ env.CACHIX_CACHE }}'
          authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
      # Runs a set of commands using the runners shell
      - name: Nix Version
        run: nix --version
      - name: Build
        run: |
          if [ "${{ matrix.channel-branch }}" = "master" ]; then
            export NIX_PATH=nixpkgs=channel:${{ env.DEFAULT_NIX_CHANNEL }}
          else
            export NIX_PATH=nixpkgs=channel:${{ matrix.channel-branch }}
          fi
          nix-build
          nix-build -A tests
          nix eval -f default.nix 'lib'
          nix eval -f default.nix 'modules'
          nix eval -f default.nix 'overlays'
      - name: Push
        run: |
          if [ "${{ matrix.channel-branch }}" = "master" ]; then
            export NIX_PATH=nixpkgs=channel:${{ env.DEFAULT_NIX_CHANNEL }}
          else
            export NIX_PATH=nixpkgs=channel:${{ matrix.channel-branch }}
          fi
          nix-build all-unbroken.nix | cachix push "${CACHIX_CACHE}"
          curl -XPOST "https://nur-update.herokuapp.com/update?repo=${NUR_REPO}"