detect-svg-in-readme.yml

name: Readme

on: [pull_request, push]

jobs:
  detect_svg:
    runs-on: macOS-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v3

    - name: Detect SVG in readme
      run: |
        # Run grep command to match URLs containing .svg in the readme.md
        svgs=$(grep -oE '\([^)]+\.svg\)' README.md)

        # Define a whitelist of .svg
        whitelist="(https://github.com/jfrog/jfrog-vscode-extension/actions/workflows/test.yml/badge.svg)"

        # Check for any SVG images that are not included in the whitelist.
        if [[ ! -z $(echo "$svgs" | grep -vE "$whitelist") ]]
        then
          echo "Error: SVGs are restricted in README.md."
          echo "Please use PNG instead, or remove the following line(s) from the README.md file:"
          echo $(echo "$svgs" | grep -vE "$whitelist")
          exit 1
        fi