name: Build

env:
  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  Build:

    runs-on: ubuntu-20.04

    steps:
    - uses: actions/checkout@v2
    - name: Recursively pull git submodules
      run: |
           set -ex
           git submodule update --init --recursive
    - name: Install toolchains
      run: |
           set -ex
           wget -q https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz
           tar xf *-aarch64-none-elf.tar.xz
           wget -q https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-arm-none-eabi.tar.xz
           tar xf *-arm-none-eabi.tar.xz
           mkdir -p kernels
    - name: Build for Raspberry Pi 4
      run: |
           set -ex
           export PATH=$(readlink -f ./gcc-*aarch64-none*/bin/):$PATH
           RPI=4 bash -ex build.sh
           cp ./src/kernel*.img ./kernels/
    - name: Build for Raspberry Pi 3
      run: |
           set -ex
           export PATH=$(readlink -f ./gcc-*aarch64-none*/bin/):$PATH
           RPI=3 bash -ex build.sh
           cp ./src/kernel*.img ./kernels/
    - name: Build for Raspberry Pi 2
      run: |
           set -ex
           export PATH=$(readlink -f ./gcc-*arm-none*/bin/):$PATH
           RPI=2 bash -ex build.sh
           cp ./src/kernel*.img ./kernels/
    - name: Get Raspberry Pi boot files
      run: |
           set -ex
           export PATH=$(readlink -f ./gcc-*aarch64-none*/bin/):$PATH
           cd ./circle-stdlib/libs/circle/boot
           make
           make armstub64
           cd -
           mkdir -p sdcard
           cp -r ./circle-stdlib/libs/circle/boot/* sdcard
           mv sdcard/config64.txt sdcard/config.txt
           rm -rf sdcard/config32.txt sdcard/README sdcard/Makefile sdcard/armstub sdcard/COPYING.linux
           cp ./src/*img sdcard/
           cd sdcard
           cp ../kernels/* . || true
           zip -r ../MiniDexed_$(date +%Y-%m-%d).zip *
    - name: Upload to GitHub Releases (only when building from main branch)
      if: ${{ github.ref == 'refs/heads/main' }}
      run: |
           set -ex
           wget -c https://github.com/probonopd/uploadtool/raw/master/upload.sh
           bash ./upload.sh ./MiniDexed*.zip