# yamllint disable rule:line-length
name: CI

on:
  workflow_dispatch:
  workflow_call:
  pull_request:
    branches: [main]
  push:
    branches: [main]

concurrency:
  # A PR number if a pull request and otherwise the commit hash. This cancels
  # queued and in-progress runs for the same PR (presubmit) or commit
  # (postsubmit).
  group: ci-build-test-cpp-linux-${{ github.event.number || github.sha }}
  cancel-in-progress: true

jobs:
  build-test-linux:
    strategy:
      fail-fast: true
      matrix:
        torch-version: [nightly, stable]
    name: Build and Test (Linux, torch-${{ matrix.torch-version }}, assertions)
    runs-on: torch-mlir-cpubuilder-manylinux-x86-64
    env:
      CACHE_DIR: ${{ github.workspace }}/.container-cache
    steps:
      - name: Configure local git mirrors
        run: |
          # Our stock runners have access to certain local git caches. If these
          # files are available, it will prime the cache and configure git to
          # use them. Practically, this eliminates network/latency for cloning
          # llvm.
          if [[ -x /gitmirror/scripts/trigger_update_mirrors.sh ]]; then
            /gitmirror/scripts/trigger_update_mirrors.sh
            /gitmirror/scripts/git_config.sh
          fi
      - name: "Checking out repository"
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0
        with:
          submodules: true

      - name: Enable cache
        uses: actions/cache/restore@v3
        with:
          path: ${{ env.CACHE_DIR }}
          key: build-test-cpp-asserts-manylinux-${{ matrix.torch-version }}-v2-${{ github.sha }}
          restore-keys: |
            build-test-cpp-asserts-manylinux-${{ matrix.torch-version }}-v2-

      - name: Install python deps (torch-${{ matrix.torch-version }})
        run: |
          export cache_dir="${{ env.CACHE_DIR }}"
          bash build_tools/ci/install_python_deps.sh ${{ matrix.torch-version }}

      - name: Build project
        run: |
          export cache_dir="${{ env.CACHE_DIR }}"
          bash build_tools/ci/build_posix.sh

      - name: Save cache
        uses: actions/cache/save@v3
        if: ${{ !cancelled() }}
        with:
          path: ${{ env.CACHE_DIR }}
          key: build-test-cpp-asserts-manylinux-${{ matrix.torch-version }}-v2-${{ github.sha }}

      - name: Integration tests (torch-${{ matrix.torch-version }})
        run: |
          bash build_tools/ci/test_posix.sh ${{ matrix.torch-version }}

      - name: Check generated sources (torch-nightly only)
        if: ${{ matrix.torch-version == 'nightly' }}
        run: |
          bash build_tools/ci/check_generated_sources.sh