f9-kernel/.github/workflows/coding-style.yml at master · f9micro/f9-kernel · GitHub

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name: Coding Style

on:
  push:
    branches: [master]
  pull_request:
    branches: [master]

permissions:
  contents: read

jobs:
  detect-code-related-file-changes:
    runs-on: ubuntu-24.04
    timeout-minutes: 5
    outputs:
      has_code_related_changes: ${{ steps.filter.outputs.code }}
    steps:
      - uses: actions/checkout@v6
      - uses: dorny/paths-filter@v3
        id: filter
        with:
          filters: |
            code:
              - '**/*.c'
              - '**/*.h'
              - '**/*.sh'
              - '**/*.py'
              - '.clang-format'
              - '.ci/**'
              - '.github/workflows/**'

  coding-style:
    needs: [detect-code-related-file-changes]
    if: needs.detect-code-related-file-changes.outputs.has_code_related_changes == 'true'
    timeout-minutes: 10
    runs-on: ubuntu-24.04

    steps:
      - uses: actions/checkout@v6

      - name: Install formatting tools
        run: |
          set -euo pipefail

          # Install clang-format (Ubuntu 24.04 compatible GPG key method)
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends gnupg
          sudo mkdir -p /etc/apt/keyrings

          # Download and verify LLVM GPG key
          curl -fsSL --retry 3 --connect-timeout 20 --proto '=https' \
            -o /tmp/llvm-snapshot.gpg.key \
            https://apt.llvm.org/llvm-snapshot.gpg.key
          gpg --batch --quiet --with-colons --show-keys /tmp/llvm-snapshot.gpg.key \
            | awk -F: '$1=="fpr"{print $10}' | grep -Fxq "6084F3CF814B57C1CF12EFD515CF4D18AF4F7421"

          sudo gpg --dearmor -o /etc/apt/keyrings/llvm.gpg < /tmp/llvm-snapshot.gpg.key
          sudo chmod 644 /etc/apt/keyrings/llvm.gpg
          rm /tmp/llvm-snapshot.gpg.key

          echo "deb [signed-by=/etc/apt/keyrings/llvm.gpg] https://apt.llvm.org/noble/ llvm-toolchain-noble-20 main" \
            | sudo tee /etc/apt/sources.list.d/llvm.list
          sudo apt-get update
          sudo apt-get install -y --no-install-recommends clang-format-20 || \
            sudo apt-get install -y --no-install-recommends clang-format-19 || \
            sudo apt-get install -y --no-install-recommends clang-format

          # Install shfmt for shell script formatting
          SHFMT_URL="https://github.com/mvdan/sh/releases/download"
          SHFMT_VER="v3.12.0"
          SHFMT_SHA256="d9fbb2a9c33d13f47e7618cf362a914d029d02a6df124064fff04fd688a745ea"
          curl -fsSL --retry 3 --connect-timeout 20 --proto '=https' \
            -o /tmp/shfmt \
            ${SHFMT_URL}/${SHFMT_VER}/shfmt_${SHFMT_VER}_linux_amd64
          printf '%s  %s\n' "${SHFMT_SHA256}" /tmp/shfmt | sha256sum -c
          chmod +x /tmp/shfmt
          sudo mv /tmp/shfmt /usr/local/bin/shfmt

          # Install black for Python formatting
          python3 -m pip install --disable-pip-version-check --no-cache-dir black==24.10.0

      - name: Check trailing newlines
        run: .ci/check-newline.sh

      - name: Check code formatting
        run: .ci/check-format.sh