name: CI
on:
  # Triggers the workflow on push or pull request events but only for the
  # master branch.
  push:
    branches: [main]
  pull_request:
    branches: [main]

  # Triggers the workflow every day at 23:00.
  schedule:
    - cron: '0 23 * * *'

  # 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

    # Environment variables
    env:
      # Setup $GOPATH
      GOPATH: ${{ github.workspace }}/go

    # Run the build for each one of these configurations in parallel.
    strategy:
      matrix:
        # The `${{ matrix.mainboard }}` variable is replaced with each of these.
        mainboard:
          # '-' is used instead of '/' due to restrictions on artifact upload.
          - ampere-jade
          - aeeon-up
          - qemu-x86_64

      # Do not cancel all jobs steps if a single one fails.
      fail-fast: false

    # 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@v4
      # We need this newer version of Go.
      - name: Go version
        uses: actions/setup-go@v5
        with:
          go-version: '1.21'
      - name: Install dependent packages
        run: |
          set -ex
          sudo apt-get update
          sudo apt-get install gcc-aarch64-linux-gnu gcc-arm-linux-gnueabi{,hf} gcc-riscv64-linux-gnu libelf-dev u-boot-tools
      # Runs a set of commands using the runners shell
      - name: Make ${{ matrix.mainboard }} kernel
        run: |
          set -ex
          go version
          cd mainboards
          PATH=$GOPATH/bin:/usr/local/go/bin:$PATH
          cd $(echo ${{ matrix.mainboard }} | tr '-' '/')
          make fetch
          make flashkernel
      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: ${{ matrix.mainboard }}
          path: |
            **/flashkernel
            **/flashinitramfs.cpio
          retention-days: 30