githubci.yml

name: Build

on:
  workflow_dispatch:
  pull_request:
  push:
    branches: [ master, main ]
  release:
    types:
      - created

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

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

jobs:
  set-matrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}
    steps:
      - name: Checkout Code
        uses: actions/checkout@v6

      - name: Set matrix
        id: set-matrix
        working-directory: src/boards
        run: |
          MATRIX_JSON=$(ls -d */ | sed 's/\/$//' | jq -R -s -c 'split("\n")[:-1]')
          echo "matrix=$MATRIX_JSON"
          echo "matrix=$MATRIX_JSON" >> $GITHUB_OUTPUT

  build:
    needs: set-matrix
    runs-on: ubuntu-latest
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        board: ${{ fromJSON(needs.set-matrix.outputs.matrix) }}
    steps:
    - name: Checkout Code
      uses: actions/checkout@v6
      with:
        fetch-depth: 0
        submodules: true

    - name: Install ARM GCC
      uses: carlosperate/arm-none-eabi-gcc-action@v1.12.3
      with:
        release: '12.3.Rel1'

    - name: Install Tools
      run: |
        pip3 install nrfutil intelhex setuptools

    - name: Build with CMake
      run: |
        cmake -B _build_cmake -DBOARD=${{ matrix.board }} -DCMAKE_BUILD_TYPE=MinSizeRel
        cmake --build _build_cmake

    - name: Prepare artifacts
      run: |
        mkdir -p _bin/${{ matrix.board }}
        cp _build_cmake/bootloader.hex _bin/${{ matrix.board }}/${{ matrix.board }}_bootloader.hex
        cp _build_cmake/bootloader.elf _bin/${{ matrix.board }}/${{ matrix.board }}_bootloader.elf

    - uses: actions/upload-artifact@v7
      with:
        name: ${{ matrix.board }}
        path: _bin/${{ matrix.board }}

    - name: Upload Release Asset
      uses: softprops/action-gh-release@v3
      if: ${{ github.event_name == 'release' }}
      with:
        files: |
          _bin/${{ matrix.board }}/${{ matrix.board }}_bootloader.hex

  commit-binaries:
    needs: build
    if: ${{ github.event_name == 'release' }}
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout release tag
        uses: actions/checkout@v6
        with:
          ref: ${{ github.event.release.tag_name }}
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Download all bootloader artifacts
        uses: actions/download-artifact@v8
        with:
          path: _artifacts

      - name: Stage hex files into release/
        run: |
          set -euo pipefail
          mkdir -p release
          for board_dir in _artifacts/*/; do
            board=$(basename "$board_dir")
            hex="${board_dir}${board}_bootloader.hex"
            if [ ! -f "$hex" ]; then
              echo "::error::Missing $hex"
              exit 1
            fi
            cp "$hex" "release/${board}_bootloader.hex"
            git add "release/${board}_bootloader.hex"
          done
          rm -rf _artifacts

      - name: Commit and move tag
        run: |
          set -euo pipefail
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          if git diff --cached --quiet; then
            echo "No bootloader hex changes to commit."
            exit 0
          fi
          TAG="${{ github.event.release.tag_name }}"
          git commit -m "Release ${TAG}: bootloader hex binaries"
          git tag -f "${TAG}"
          git push origin --force "refs/tags/${TAG}"