linux.yaml

name: Linux CI

on:
  push:
    branches: [ master, gh-actions ]
  pull_request:
    branches: [ master ]
  schedule:
    - cron: '13 9 * * *'

jobs:
  Build_and_Test:
    name: ${{ matrix.os }} build
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        cabal: ["3.4"]
        ghc: ["8.10"]
        os: [ubuntu-latest]

    env:
      CAIDE_CMAKE_CONFIGURE_ARGS: "-GNinja,-DCMAKE_CXX_COMPILER_LAUNCHER=ccache,-DCMAKE_C_COMPILER_LAUNCHER=ccache"
      # TODO: --enable-coverage (https://github.com/haskell/cabal/issues/6440)
      CONFIG: "--enable-tests --enable-benchmarks"

    steps:
    - name: Install prerequisites
      env:
        runner_os: ${{ runner.os }}
      shell: python
      run: |
        import os, subprocess
        runner_os = os.environ['runner_os']
        if runner_os == 'Linux':
          commands = ['sudo apt-get install ccache ninja-build', 'which ccache', 'which ninja']
        elif runner_os == 'macOS':
          commands = ['brew install ccache ninja', 'which ccache', 'which ninja']
        else:
          commands = ['choco install ccache ninja', 'where ccache', 'where ninja']
        for cmd in commands:
          subprocess.check_call(cmd.split())

    - uses: actions/checkout@v3
      with:
        submodules: 'recursive'

    - uses: haskell/actions/setup@v2
      id: setup-haskell-cabal
      with:
        ghc-version: ${{ matrix.ghc }}
        cabal-version: ${{ matrix.cabal }}

    - name: Set environment variables
      run: |
        ghc --version | grep -E --only-matching '[0-9\.]+' \
        | awk '{ print "GHCVER="$0 }' >> $GITHUB_ENV

    - name: Set environment variables
      run: |
        grep -i '^version:' "libcaide/libcaide.cabal" \
        | awk '{ print "CAIDE_EXE_RELATIVE_PATH=dist-newstyle/build/x86_64-linux/ghc-${{ env.GHCVER }}/libcaide-"$2"/build/caide/caide" }' \
        >> $GITHUB_ENV

    - name: Create key for ccache
      shell: bash
      run: |
        echo >common.txt
        g++ --version >>common.txt
        ls -l --time-style=long-iso $(readlink -f $(which g++)) >>common.txt
        gcc --version >>common.txt
        ls -l --time-style=long-iso $(readlink -f $(which g++)) >>common.txt
        cpp --version >>common.txt
        ls -l --time-style=long-iso $(readlink -f $(which cpp)) >>common.txt
        cmake --version >>common.txt
        ls -l --time-style=long-iso $(readlink -f $(which cmake)) >>common.txt
        ninja --version >>common.txt
        ls -l --time-style=long-iso $(readlink -f $(which ninja)) >>common.txt
        cp common.txt llvm-submodule.txt
        git -C libcaide/cbits/cpp-inliner submodule status >>llvm-submodule.txt
        cp common.txt submodules.txt
        git submodule status >>submodules.txt
        cat llvm-submodule.txt submodules.txt

    - name: ccache cache
      uses: actions/cache@v3
      env:
        cache-name: ccache
        cache-version: 4
      with:
        path: ~/.cache/ccache
        key: ${{ runner.os }}-build-${{ env.cache-name }}${{ env.cache-version }}-${{ hashFiles('llvm-submodule.txt') }}-${{ hashFiles('submodules.txt') }}
        restore-keys: |
          ${{ runner.os }}-build-${{ env.cache-name }}${{ env.cache-version }}-${{ hashFiles('llvm-submodule.txt') }}-

    - name: Update cabal index, resolve dependencies and create freeze file
      shell: bash
      run: |
        cd libcaide
        cabal update $CONFIG
        cabal freeze $CONFIG
        cat cabal.project.freeze

    - name: Cabal cache
      uses: actions/cache@v3
      env:
        cache-name: cabal
        cache-version: 3
      with:
        path: |
          ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
          libcaide/dist-newstyle
        key: ${{ runner.os }}-${{ env.cache-name }}${{ env.cache-version }}-${{ env.GHCVER }}-${{ hashFiles('libcaide/cabal.project.freeze') }}
        restore-keys: |
          ${{ runner.os }}-${{ env.cache-name }}${{ env.cache-version }}-${{ env.GHCVER }}-

    - name: Install dependencies
      shell: bash
      run: |
        cd libcaide
        cabal build --only-dependencies $CONFIG

    - name: Build
      shell: bash
      run: |
        ccache --show-config
        ccache --show-stats
        cd libcaide
        # Force recompilation due to https://github.com/haskell/cabal/issues/4746
        echo "--$RANDOM" >> libcaide.cabal
        cabal build $CONFIG all
        strip $CAIDE_EXE_RELATIVE_PATH
        ccache --show-stats

    - name: Publish the executable
      uses: actions/upload-artifact@v1
      with:
        name: caide
        path: libcaide/${{ env.CAIDE_EXE_RELATIVE_PATH }}

    # Disable until https://github.com/haskell/actions/issues/128 is fixed.
    # - name: Set up HLint
    #   uses: haskell/actions/hlint-setup@v2

    # - name: Copy HLint config
    #   run: cp libcaide/.hlint.yaml .

    # - name: Run HLint
    #   uses: haskell/actions/hlint-run@v2
    #   with:
    #     path: libcaide/
    #     fail-on: never

    - name: Run tests
      shell: bash
      run: |
        cd libcaide
        export CAIDE=$(pwd)/$CAIDE_EXE_RELATIVE_PATH
        MONO=mono CSC=csc tests/run-tests.sh
        cabal test $CONFIG