build-firmware.yml

name: Firmware build and publish

on:
  push:
    paths:
      - "firmware/**"
  pull_request:
    paths:
      - "firmware/**"
  release:
    types: [published]
  workflow_dispatch:

jobs:
  compile:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          submodules: "recursive"
      - name: Cache pip
        uses: actions/cache@v2
        with:
          path: ~/.cache/pip
          key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
          restore-keys: |
            ${{ runner.os }}-pip-

      - name: Cache PlatformIO
        uses: actions/cache@v2
        with:
          path: ~/.platformio
          key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}

      - name: Set up Python
        uses: actions/setup-python@v2

      - name: Install PlatformIO
        run: |
          python -m pip install --upgrade pip
          pip install --upgrade platformio

      - name: Run PlatformIO
        id: compile
        run: |
          cd firmware
          pio run

      - name: Upload artifact
        uses: actions/upload-artifact@v2
        with:
          name: firmware
          path: ./firmware/.pio/build/dev/firmware.bin

      - name: Upload Artifacts to Release
        uses: softprops/action-gh-release@v1
        if: github.event_name == 'release'
        with:
          files: |
            ./firmware/.pio/build/dev/firmware.bin