name: Nim CI
# The main test suite (`koch runCI`). Previously `azure-pipelines.yml`; moved
# here because the GitHub-hosted runners are 4-core (3-core on macOS arm64)
# whereas the Microsoft-hosted Azure agents are 2-core, which measured ~2.3x
# faster on an identical `koch boot -d:release`.

on:
  push:
    branches:
      - 'devel'
      - 'version-*'
  pull_request:

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  test:
    strategy:
      fail-fast: false
      matrix:
        include:
          - name: Linux_amd64
            os: ubuntu-24.04
            cpu: amd64
          # regularly breaks, refs bug #17325
          # - name: Linux_i386
          #   os: ubuntu-24.04
          #   cpu: i386
          - name: OSX_arm64
            os: macos-15
            cpu: arm64
          - name: OSX_arm64_cpp
            os: macos-15
            cpu: arm64
            cpp: 'true'
          # see also: `NIM_TEST_PACKAGES`
          - name: Windows_amd64_batch0_3
            os: windows-2025
            cpu: amd64
            batch: '0_3'
          - name: Windows_amd64_batch1_3
            os: windows-2025
            cpu: amd64
            batch: '1_3'
          - name: Windows_amd64_batch2_3
            os: windows-2025
            cpu: amd64
            batch: '2_3'

    name: ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    timeout-minutes: 90 # `60` led to lots of cancelled jobs

    defaults:
      run:
        shell: bash

    env:
      # `_` is testament's "no batching" value, see `isCurrentBatch`.
      NIM_TESTAMENT_BATCH: ${{ matrix.batch || '_' }}
      NIM_COMPILE_TO_CPP: ${{ matrix.cpp || 'false' }}

    steps:
      - name: 'Disable auto conversion to CRLF by git (Windows-only)'
        if: runner.os == 'Windows'
        run: git config --global core.autocrlf false

      - name: 'Checkout'
        uses: actions/checkout@v7
        with:
          fetch-depth: 2 # see D20210329T004830

      - name: 'Install node.js 20.x'
        uses: actions/setup-node@v7
        with:
          node-version: 20

      - name: 'Install dependencies (amd64 Linux)'
        if: runner.os == 'Linux' && matrix.cpu == 'amd64'
        run: |
          set -e
          . ci/funs.sh
          echo_run sudo add-apt-repository universe
          echo_run sudo apt-get update -qq
          DEBIAN_FRONTEND='noninteractive' \
            echo_run sudo apt-get install --no-install-recommends -yq \
              gcc-14 g++-14 libpcre3 liblapack-dev libpcre3 liblapack-dev libcurl4-openssl-dev libgc-dev libsdl1.2-dev libsfml-dev valgrind libc6-dbg
          echo_run sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-14 60 --slave /usr/bin/g++ g++ /usr/bin/g++-14

      - name: 'Install dependencies (i386 Linux)'
        if: runner.os == 'Linux' && matrix.cpu == 'i386'
        run: |
          set -e
          . ci/funs.sh
          echo_run sudo dpkg --add-architecture i386
          # Downgrade llvm:
          # - llvm has to be downgraded to have 32bit version installed for sfml.

          cat << EOF | sudo tee /etc/apt/preferences.d/pin-to-rel
          Package: libllvm6.0
          Pin: origin "azure.archive.ubuntu.com"
          Pin-Priority: 1001
          EOF

          echo_run sudo apt-get update -qq || echo "failed, see bug #17343"
          # `:i386` (e.g. in `libffi-dev:i386`) is needed otherwise you may get:
          # `could not load: libffi.so` during dynamic loading.
          DEBIAN_FRONTEND='noninteractive' \
            echo_run sudo apt-get install --no-install-recommends --allow-downgrades -yq \
              g++-multilib gcc-multilib libcurl4-openssl-dev:i386 libgc-dev:i386 \
              libsdl1.2-dev:i386 libsfml-dev:i386 libglib2.0-dev:i386 libffi-dev:i386

          cat << EOF > bin/gcc
          #!/bin/bash

          exec $(which gcc) -m32 "\$@"
          EOF

          cat << EOF > bin/g++
          #!/bin/bash

          exec $(which g++) -m32 "\$@"
          EOF

          echo_run chmod 755 bin/gcc
          echo_run chmod 755 bin/g++

      - name: 'Install dependencies (OSX)'
        if: runner.os == 'macOS'
        run: brew install boehmgc make sfml
        # XXX can't find boehm on macos 13

      - name: 'Install dependencies (Windows)'
        if: runner.os == 'Windows'
        run: |
          set -e
          . ci/funs.sh
          nimInternalInstallDepsWindows
          echo_run echo "${{ github.workspace }}/dist/mingw64/bin" >> "${GITHUB_PATH}"

      - name: 'Add build binaries to PATH'
        run: echo "${{ github.workspace }}/bin" >> "${GITHUB_PATH}"

      - name: 'System information'
        run: . ci/funs.sh && nimCiSystemInfo

      - name: 'Build csourcesAny'
        run: . ci/funs.sh && nimBuildCsourcesIfNeeded CC=gcc ucpu='${{ matrix.cpu }}'

      - name: 'koch, Run CI'
        run: . ci/funs.sh && nimInternalBuildKochAndRunCI