name: Update website

concurrency:
  group: mesonbuild.com
  # We do NOT want `cancel-in-progress` here since only one website job
  # should run at a time to avoid upload race condtions.

on:
  push:
    branches:
      - master
    paths:
      - docs/**
  workflow_dispatch:

jobs:
  update_website:
    env:
      HAS_SSH_KEY: ${{ secrets.WEBSITE_PRIV_KEY != '' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install package
        run: |
          sudo apt-get -y install python3-pip ninja-build libjson-glib-dev
          pip install meson hotdoc
      - name: Setup SSH Keys and known_hosts
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
        run: |
          ssh-agent -a $SSH_AUTH_SOCK > /dev/null
          ssh-add - <<< "${{ secrets.WEBSITE_PRIV_KEY }}"
        if: env.HAS_SSH_KEY == 'true'
      - name: Build website
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          cd docs
          meson setup _build
          ninja -C _build
      - name: Update website
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
        run: |
          cd docs
          ninja -C _build upload
        if: env.HAS_SSH_KEY == 'true'