name: build

on:
  push:
    branches: [ master ]
  pull_request:
  workflow_dispatch:

concurrency:
  group: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' && github.run_id || github.head_ref || github.ref }}-${{ github.workflow }}-${{ github.event_name }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  build:
    name: build kernel #and system
    runs-on: namespace-profile-arm64-8x16-2004-caching
    timeout-minutes: 20
    steps:
    - uses: actions/checkout@v4
      with:
        lfs: true

    - name: get kernel submodule ref
      id: kernel-submodule
      run: echo "ref=$(git ls-tree HEAD | awk '$4 == "agnos-kernel-sdm845"' | awk '{print $3}')" >> "$GITHUB_OUTPUT"

    - name: Checkout agnos-kernel-sdm845
      uses: actions/checkout@v4
      with:
        repository: commaai/agnos-kernel-sdm845
        ref: ${{ steps.kernel-submodule.outputs.ref }}
        path: agnos-kernel-sdm845

    - name: Install dependencies
      run: sudo apt-get update && sudo apt-get install -y bc img2simg

    - name: Install python2
      uses: gabrielfalcao/pyenv-action@2f49ca7587f9d0663d13f1147b78d3361417eaf7
      with:
        default: '2.7.18'

    - name: Cache kernel build
      uses: actions/cache@v4
      id: cache-kernel
      with:
        key: kernel-${{ steps.kernel-submodule.outputs.ref }}
        path: |
          agnos-kernel-sdm845/out
        restore-keys: kernel-

    - name: Build kernel
      run: ./build_kernel.sh

    - uses: actions/upload-artifact@v4
      with:
        name: boot.img
        path: output/boot.img
    - uses: actions/upload-artifact@v4
      with:
        name: kernel-modules
        path: output/*.ko

    #- run: ./build_system.sh
    #- uses: actions/upload-artifact@v4
    #  with:
    #    name: system.img
    #    path: output/system.img