main.yml

name: CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

# 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

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      - uses: actions/checkout@v2.3.4
        with:
          fetch-depth: 0
      - uses: cachix/install-nix-action@v13
      - uses: cachix/cachix-action@v10
        with:
          name: layus
          signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
          # Only needed for private caches
          #authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

      - name: Build
        run: |
          nix-build
          nix-shell --command "./result/bin/site build"

      - name: Propagate changes to 'static' branch
        run: |
          git checkout static
          rsync -a --filter='P _site/' --filter='P _cache/' --filter='P .git/' --filter='P .gitignore' --filter='P CNAME' --filter='P .github/' --filter='P .stack-work' --filter='P result' --filter='P site' --delete-excluded _site/ .

      - name: Commit files
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add .
          git commit --allow-empty  -m "Automatic updates from https://github.com/layus/layus.github.io/commit/${GITHUB_SHA}"


      - name: Release to 'static'
        if: ${{ github.event_name == 'push' }}
        uses: ad-m/github-push-action@v0.6.0
        with:
          # Token for the repo. Can be passed in using $\{{ secrets.GITHUB_TOKEN }}
          github_token: "${{ secrets.GITHUB_TOKEN }}"
          # Repository name to push. Default or empty value represents current github repository (${GITHUB_REPOSITORY})
          #repository: ${GITHUB_REPOSITORY} 
          # Destination branch to push changes
          branch: static
          # Determines if force push is used
          force: false
          # Determines if --tags is used
          tags: false
          # Directory to change to before pushing.
          #directory: None