# TODO: check if qemu-user-static-binfmt is needed (perhaps to run some tests since it probably calls exec).

name: m68k CI

on:
  - push
  - pull_request

permissions:
  contents: read

env:
  # Enable backtraces for easier debugging
  RUST_BACKTRACE: 1
  # TODO: remove when confish.sh is removed.
  OVERWRITE_TARGET_TRIPLE: m68k-unknown-linux-gnu

jobs:
  build:
    runs-on: ubuntu-24.04

    strategy:
      fail-fast: false
      matrix:
        commands: [
          "--std-tests",
          # TODO(antoyo): fix those on m68k.
          #"--test-libcore",
          #"--extended-rand-tests",
          #"--extended-regex-example-tests",
          #"--extended-regex-tests",
          #"--test-successful-rustc --nb-parts 2 --current-part 0",
          #"--test-successful-rustc --nb-parts 2 --current-part 1",
          #"--test-failing-rustc",
        ]

    steps:
    - uses: actions/checkout@v4

    # `rustup show` installs from rust-toolchain.toml
    - name: Setup rust toolchain
      run: rustup show

    - name: Setup rust cache
      uses: Swatinem/rust-cache@v2

    - name: Install packages
      run: |
        sudo apt-get update
        sudo apt-get install qemu-system qemu-user-static

    - name: Download artifact
      run: curl -LO https://github.com/cross-cg-gcc-tools/cross-gcc/releases/latest/download/gcc-m68k-15.deb

    - name: Download VM artifact
      run: curl -LO https://github.com/cross-cg-gcc-tools/vms/releases/latest/download/debian-m68k.img

    - name: Setup path to libgccjit
      run: |
          sudo dpkg -i gcc-m68k-15.deb
          echo 'gcc-path = "/usr/lib/"' > config.toml

    - name: Set env
      run: |
        echo "workspace="$GITHUB_WORKSPACE >> $GITHUB_ENV
        echo "LIBRARY_PATH=/usr/lib" >> $GITHUB_ENV
        echo "LD_LIBRARY_PATH=/usr/lib" >> $GITHUB_ENV

    #- name: Cache rust repository
      ## We only clone the rust repository for rustc tests
      #if: ${{ contains(matrix.commands, 'rustc') }}
      #uses: actions/cache@v3
      #id: cache-rust-repository
      #with:
        #path: rust
        #key: ${{ runner.os }}-packages-${{ hashFiles('rust/.git/HEAD') }}

    - name: Prepare VM
      run: |
        mkdir vm
        sudo mount debian-m68k.img vm
        sudo cp $(which qemu-m68k-static) vm/usr/bin/

    - name: Build sample project with target defined as JSON spec
      run: |
        ./y.sh prepare --only-libcore --cross
        ./y.sh build --sysroot --features compiler_builtins/no-f16-f128 --target-triple m68k-unknown-linux-gnu --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json
        ./y.sh cargo build --manifest-path=./tests/hello-world/Cargo.toml --target ${{ github.workspace }}/target_specs/m68k-unknown-linux-gnu.json
        ./y.sh clean all

    - name: Build
      run: |
        ./y.sh prepare --only-libcore --cross
        ./y.sh build --sysroot --features compiler_builtins/no-f16-f128 --target-triple m68k-unknown-linux-gnu
        ./y.sh test --mini-tests
        CG_GCC_TEST_TARGET=m68k-unknown-linux-gnu cargo test
        ./y.sh clean all

    - name: Prepare dependencies
      run: |
        git config --global user.email "user@example.com"
        git config --global user.name "User"
        ./y.sh prepare --cross

    - name: Run tests
      run: |
        ./y.sh test --release --clean --build-sysroot --sysroot-features compiler_builtins/no-f16-f128 ${{ matrix.commands }}
