name: CI with sysroot compiled in release mode

on:
  - push
  - pull_request

permissions:
  contents: read

env:
  # Enable backtraces for easier debugging
  RUST_BACKTRACE: 1

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
      fail-fast: false
      matrix:
        commands: [
          "--test-successful-rustc --nb-parts 2 --current-part 0",
          "--test-successful-rustc --nb-parts 2 --current-part 1",
        ]

    steps:
    - uses: actions/checkout@v3

    - uses: actions/checkout@v3
      with:
        repository: llvm/llvm-project
        path: llvm

    - name: Install packages
      run: sudo apt-get install ninja-build ripgrep

    - name: Download artifact
      uses: dawidd6/action-download-artifact@v2
      with:
          workflow: main.yml
          name: gcc-13
          path: gcc-13
          repo: antoyo/gcc
          branch: "master"
          event: push
          search_artifacts: true # Because, instead, the action only check the last job ran and that won't work since we want multiple artifacts.

    - name: Setup path to libgccjit
      run: |
          sudo dpkg --force-overwrite -i gcc-13/gcc-13.deb
          echo /usr/lib/ > gcc_path

    - name: Set env
      run: |
        echo "LIBRARY_PATH=$(cat gcc_path)" >> $GITHUB_ENV
        echo "LD_LIBRARY_PATH=$(cat gcc_path)" >> $GITHUB_ENV
        echo "workspace="$GITHUB_WORKSPACE >> $GITHUB_ENV

    - name: Set RUST_COMPILER_RT_ROOT
      run: echo "RUST_COMPILER_RT_ROOT="${{ env.workspace }}/llvm/compiler-rt >> $GITHUB_ENV

    - name: Cache cargo installed crates
      uses: actions/cache@v3
      with:
        path: ~/.cargo/bin
        key: cargo-installed-crates2-ubuntu-latest

    - name: Cache cargo registry
      uses: actions/cache@v3
      with:
        path: ~/.cargo/registry
        key: ${{ runner.os }}-cargo-registry2-${{ hashFiles('**/Cargo.lock') }}

    - name: Cache cargo index
      uses: actions/cache@v3
      with:
        path: ~/.cargo/git
        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

    - name: Cache cargo target dir
      uses: actions/cache@v3
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain') }}

    - name: Build
      run: |
        ./y.sh prepare --only-libcore
        EMBED_LTO_BITCODE=1 ./y.sh build --release --release-sysroot
        cargo test
        ./clean_all.sh

    - name: Prepare dependencies
      run: |
        git config --global user.email "user@example.com"
        git config --global user.name "User"
        ./y.sh prepare
        # FIXME(antoyo): we cannot enable LTO for stdarch tests currently because of some failing LTO tests using proc-macros.
        echo -n 'lto = "fat"' >> build_sysroot/Cargo.toml

    # Compile is a separate step, as the actions-rs/cargo action supports error annotations
    - name: Compile
      uses: actions-rs/cargo@v1.0.3
      with:
        command: build
        args: --release

    - name: Add more failing tests because of undefined symbol errors (FIXME)
      run: cat failing-lto-tests.txt >> failing-ui-tests.txt

    - name: Run tests
      run: |
        EMBED_LTO_BITCODE=1 ./test.sh --release --clean --release-sysroot --build-sysroot ${{ matrix.commands }}