name: Miscellaneous checks
on: [push, pull_request]

jobs:
  checks:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Check if C-sources are US-ASCII
        run: |
          ! grep -r -n '[^	 -~]' *.[chy] include internal win32/*.[ch]
      - name: Check for header macros
        run: |
          ! for header in ruby/*.h; do \
            git grep -l -F -e $header -e HAVE_`echo $header | tr a-z./ A-Z__` -- . > /dev/null || echo $header
          done | grep -F .
        working-directory: include