build_and_bench.yml

name: Build&bench

on:
  push:
    branches:
      - main
    paths-ignore:
      - '**/.gitignore'
      - '**/AUTHORS.md'
      - '**/README.md'
      - '**/TODO.md'
      - '**/*.txt'
      - '**/*.sh'
      - '**/tinyxxd*.png'
      - '**/tinyxxd*.svg'
  pull_request:
    branches-ignore:
      - 'src-*-update*'
    paths-ignore:
      - '**/.gitignore'
      - '**/AUTHORS.md'
      - '**/README.md'
      - '**/TODO.md'
      - '**/*.txt'
      - '**/*.sh'
      - '**/tinyxxd*.png'
      - '**/tinyxxd*.svg'

jobs:
  build-linux:
    runs-on: ubuntu-latest
    container: archlinux:latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Update system and Install dependencies
        run: |
          pacman -Syu --noconfirm && \
          pacman -S --noconfirm --needed curl diffutils gcc make && \
          pacman -Scc --noconfirm

      - name: Build
        run: make

      - name: Test
        run: make test

  build-macos:
    runs-on: macos-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Build
        run: make

      - name: Test
        run: make test

  build-windows:
    runs-on: windows-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup environment
        run: |
          choco install curl diffutils make mingw -y

      - name: Build
        run: make CC=gcc

  benchmark-linux:
    needs: build-linux
    runs-on: ubuntu-latest
    container: archlinux:latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Cache benchmark results
        uses: actions/cache@v4
        with:
          path: ./results.pkl
          key: results-${{ github.ref }}-${{ github.run_id }}
          restore-keys: |
            results-${{ github.ref }}-

      - name: Install dependencies
        run: |
          pacman -Syu --noconfirm && \
          pacman -S --noconfirm --needed curl diffutils gcc git gnuplot make python && \
          pacman -Scc --noconfirm

      - name: Check for cached results
        run: |
          if [ -f results.pkl ]; then
            echo "Cached results.pkl found."
          else
            echo "No cached results.pkl found."
          fi

      - name: Run bench.py
        run: python3 bench.py -s

      - name: Archive results for Git operations
        uses: actions/upload-artifact@v4
        with:
          name: benchmark-results
          path: |
            bench*.md
            img/

  benchmark-commit:
    needs: benchmark-linux
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download benchmark results
        uses: actions/download-artifact@v4
        with:
          name: benchmark-results

      - name: Configure Git
        run: |
          git config user.name 'GitHub Actions'
          git config user.email 'actions@github.com'

      - name: Check for changes
        id: git-check
        run: |
          git add bench*.md img/
          if git diff --staged --quiet; then
            echo "No changes to the content."
            echo "changes=false" >> $GITHUB_ENV
          else
            echo "Content changes detected."
            echo "changes=true" >> $GITHUB_ENV
          fi

      - name: Commit benchmark updates
        if: env.changes == 'true'
        run: |
          git commit -m "Update benchmarks and images" -a
          git push