esp32-configs/.github/workflows/publish-pages.yml

name: Publish Pages

on:
  push:
    branches:
      - main
    paths:
      - 'static/**'
      - '.github/workflows/publish-pages.yml'
  workflow_run:
    workflows:
      - Publish Firmware
    types:
      - completed
  pull_request:
    paths:
      - 'static/**'
      - '.github/workflows/publish-pages.yml'


concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: 'true'

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout source code
        uses: actions/checkout@v6

      - run: mkdir -p output/firmware

      - name: Build
        uses: actions/jekyll-build-pages@v1
        with:
          source: ./static
          destination: ./output

      - name: Fetch firmware files
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail

          releases="$(
            gh release list \
              --exclude-drafts \
              --exclude-pre-releases \
              --limit 100 \
              --json tagName,isLatest,publishedAt \
              --jq '[.[] | select(.tagName | startswith("esphome-"))] | sort_by(.publishedAt) | reverse'
          )"

          if [ "$(jq 'length' <<< "${releases}")" -eq 0 ]; then
            echo '{"latest": null, "versions": []}' > output/firmware/versions.json
            exit 0
          fi

          latest_tag="$(jq -r 'map(select(.isLatest == true))[0].tagName // .[0].tagName' <<< "${releases}")"

          jq -n --arg latest "${latest_tag#esphome-}" '{latest: $latest, versions: []}' \
            > output/firmware/versions.json

          jq -r '.[].tagName' <<< "${releases}" | while IFS= read -r tag; do
            version="${tag#esphome-}"
            target="output/firmware/${version}"
            mkdir -p "${target}"
            gh release download "${tag}" --dir "${target}" --pattern '*'

            if [ ! -f "${target}/devices.json" ]; then
              echo "Release ${tag} does not include devices.json." >&2
              continue
            fi

            if [ "${tag}" = "${latest_tag}" ]; then
              cp "${target}/"* output/firmware/
            fi

            jq --arg version "${version}" \
               --arg tag "${tag}" \
               --slurpfile devices "${target}/devices.json" \
               '.versions += [{
                 version: $version,
                 tag: $tag,
                 devices: ($devices[0].devices | map(.manifest = ("firmware/" + $version + "/" + (.manifest | sub("^firmware/"; "")))))
               }]' output/firmware/versions.json > output/firmware/versions.tmp
            mv output/firmware/versions.tmp output/firmware/versions.json
          done

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v5
        with:
          path: output
          retention-days: 1

  publish:
    if: github.event_name != 'pull_request'
    name: Publish
    runs-on: ubuntu-latest
    needs:
      - build
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - name: Setup Pages
        uses: actions/configure-pages@v6

      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v5