build.yml

name: Build
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
      with:
        path: main
    - name: Checkout MicroPython
      uses: actions/checkout@v4
      with: 
        repository: micropython/micropython
        ref: refs/tags/v1.21.0
        path: micropython
    - name: Install build tools
      run: |
        sudo apt-get update
        sudo apt-get install -y cmake gcc-arm-none-eabi \
          libnewlib-arm-none-eabi build-essential
    - name: Build Cross-compiler
      run: |
        pushd micropython
        make -C mpy-cross
        popd
    - name: Get MicroPython submodules
      run: |
        pushd micropython
        make -C ports/rp2 BOARD=RPI_PICO_W submodules
        popd
    - name: Build MicroPython with manifest.
      run: |
        pushd micropython
        cd ports/rp2
        make -j 4 BOARD=RPI_PICO_W FROZEN_MANIFEST=../../../../main/manifest.py
        popd
    - name: Rename UF2
      run: |
        pushd micropython
        mv ports/rp2/build-RPI_PICO_W/firmware.uf2 \
          ports/rp2/build-RPI_PICO_W/pico_train_display.uf2
        popd
    - name: Upload Artifact
      uses: actions/upload-artifact@v3
      with:
        name: pico_train_display
        path: micropython/ports/rp2/build-RPI_PICO_W/pico_train_display.uf2
    - name: Release
      uses: softprops/action-gh-release@v1
      if: startsWith(github.ref, 'refs/tags/')
      with:
        files: micropython/ports/rp2/build-RPI_PICO_W/pico_train_display.uf2