failures.yml

# TODO: refactor to avoid duplication with the ci.yml file.
name: Failures

on:
  - pull_request

permissions:
  contents: read

env:
  # Enable backtraces for easier debugging
  RUST_BACKTRACE: 1

jobs:
  build:
    runs-on: ubuntu-22.04

    strategy:
      fail-fast: false
      matrix:
        libgccjit_version:
          - { gcc: "libgccjit.so", artifacts_branch: "master" }
          - { gcc: "libgccjit_without_int128.so", artifacts_branch: "master-without-128bit-integers" }

    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: ${{ matrix.libgccjit_version.artifacts_branch }}
          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: Cache rust repository
      #uses: actions/cache@v3
      #id: cache-rust-repository
      #with:
        #path: rust
        #key: ${{ runner.os }}-packages-${{ hashFiles('rust/.git/HEAD') }}

    - name: Build
      run: |
        ./y.sh prepare --only-libcore
        ./y.sh build
        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

    # 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 the sysroot is not compiled with LTO
      run: cat failing-non-lto-tests.txt >> failing-ui-tests.txt

    - name: Run tests
      id: tests
      run: |
        ./test.sh --release --clean --build-sysroot --test-failing-rustc | tee output_log
        rg "test result" output_log >> $GITHUB_STEP_SUMMARY