# Build the website with Hugo and publish it to brain.tdehaeze.xyz
#
# Runs on the homelab act_runner (see homelab.org).
# The generated site is written to /docker/brain/public on the host,
# which is served by the `brain` Caddy container.
# The old site is only replaced once the build succeeded.
name: Deploy

on:
  push:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: deploy
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-latest
    container:
      # Keep the same Hugo version as locally (`hugo version`)
      image: ghcr.io/gohugoio/hugo:v0.166.0
      volumes:
        - /docker/brain:/deploy
    steps:
      - name: Build and publish
        shell: sh
        run: |
          set -eu
          git clone --depth 1 --branch "$GITHUB_REF_NAME" \
              --recurse-submodules --shallow-submodules \
              "$GITHUB_SERVER_URL/$GITHUB_REPOSITORY.git" /tmp/site
          cd /tmp/site
          rm -rf /deploy/.new /deploy/.old
          hugo --gc --destination /deploy/.new
          if [ -d /deploy/public ]; then mv /deploy/public /deploy/.old; fi
          mv /deploy/.new /deploy/public
          rm -rf /deploy/.old