name: Build Check

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

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v3
    
    - name: Cache DragonOS GCC
      id: cache-dragonos-gcc
      uses: actions/cache@v3
      env:
          cache-name: cache-dragonos-gcc
      with:
        path: |
          ~/opt
        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('tools/build_gcc_toolchain.sh') }}
    
    - if: ${{ steps.cache-dragonos-gcc.outputs.cache-hit != 'true' }}
      name: build dragonos-gcc
      continue-on-error: true
      run: bash tools/build_gcc_toolchain.sh -f
    
    - name: Cache build tools
      id: cache-build-tools
      uses: actions/cache@v3
      env:
          cache-name: cache-build-tools
      with:
        path: |
          ~/.cargo
          ~/.rustup
          ~/.bashrc
        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('.github/workflows/makefile.yml') }}
    
    - if: ${{ steps.cache-build-tools.outputs.cache-hit != 'true' }}
      name: Install toolchain
      continue-on-error: true
      run:  sudo apt install -y llvm-dev libclang-dev clang gcc-multilib && cargo install cargo-binutils && rustup toolchain install nightly && rustup default nightly && rustup component add rust-src && rustup component add llvm-tools-preview && rustup target add x86_64-unknown-none 
    
    - name: build the DragonOS
      run: bash -c "source ~/.cargo/env && export DragonOS_GCC=$HOME/opt/dragonos-gcc/gcc-x86_64-unknown-none/bin && make -j $(nproc) "
