check-headers.yml

name: Check C Headers

on:
  pull_request:
    paths: 'headers/**'
    branches:
      - master
  workflow_call:
    inputs:
      no-format-on-check-fail:
        required: false
        type: boolean
        default: false

jobs:
  compile:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Compile
        run: make -C headers headers-aligned CFLAGS='-Wno-incompatible-library-redeclaration'
  implicit-padding-check:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Compile with implicit packing
        run: make -C headers headers-packed CFLAGS='-Wno-incompatible-library-redeclaration'
  compile-no-builtin:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Compile with no builtin function declarations
        run: make -C headers headers-no-builtin
  compile-unsized:
    runs-on: ubuntu-latest
    needs: compile
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Compile with unsized types
        run: make -C headers headers-unsized
  format-check:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Format check
        run: make -C headers format-check
  format:
    runs-on: ubuntu-latest
    needs: format-check
    if: failure() && !inputs.no-format-on-check-fail
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Format
        run: make -C headers format
      - name: Package reformatted files
        run: zip clang-format-output.zip $(git diff --relative --name-only)
        working-directory: headers
      - name: Upload reformatted files
        uses: actions/upload-artifact@v4
        with:
          name: formatted-headers
          path: headers/clang-format-output.zip
          retention-days: 1
      - name: Provide download link
        run: |
          echo 'Download link: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}#artifacts'
          echo "You can download these properly formatted header files if you don't have the formatter (clang-format) set up in your environment."