name: build PR

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the main branch
  pull_request:
    branches: [ main ]

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2

      # Use embedded toolchain
      - uses: numworks/setup-arm-toolchain@2020-q4

      # Build all the firmwares
      - name: Build all platform firmwares and BMP only BMPA
        run: make all_platforms HOSTED_BMP_ONLY=1

      - name: Clean
        run: make clean

      - name: Install BMDA dependencies
        run: sudo apt-get -y install libusb-dev libftdi1-dev libhidapi-dev

      - name: Build full BMDA binary
        run: make PROBE_HOST=hosted

  size-diff:
    runs-on: ubuntu-latest

    steps:
      - uses: numworks/setup-arm-toolchain@2020-q4

      - uses: actions/checkout@v2
        with:
          ref: ${{ github.base_ref }}
          path: base

      - uses: actions/checkout@v2
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          path: head

      - name: Build base
        run: make -C base > base/build.log

      - name: Build head
        run: make -C head > head/build.log

      - name: Diff
        run: head/scripts/diff_size.py base/build.log head/build.log