docs-checker.yml

name: Docs checker
on:
  pull_request:
    branches:
      - main
    paths:
      - 'docs/**'
jobs:
  validate-line-length:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Make sure git is installed
        run: sudo apt-get update && sudo apt-get install git -y && git --version
        # "https://google.com/serch"

        # The first grep filters out everything that has a link in it. The second filters anything
        # that is not an addition (prefixed by a single '+').
      - name: Get changed file names of files changed in PR
        run: git diff -U0 ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | grep -P "^(?!.*(http|ftp|https):\/\/([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:\/~+#-]*[\w@?^=%&\/~+#-])).*" | grep -P "^\+{1}(?!\+)" > diff_files.txt
      - name: Count line lengths in diff_files.txt
        run: "awk -F: '{ if(length>100) { err = 1; exit err; } }' diff_files.txt"