update_github_ips.yml

name: "Update GitHub IP Whitelist"

on:
  schedule:
    - cron: "0 0 * * *"  # Every day at midnight
  workflow_dispatch:

permissions:
  contents: write  # Needed to push changes back to the repo

jobs:
  update-ips:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v3

      - name: Fetch GitHub meta
        run: |
          echo "Fetching GitHub IP ranges..."
          META_JSON=$(curl -s https://api.github.com/meta)
                    
          # Pretty-print the entire meta JSON to github-ips.json
          echo "$META_JSON" | jq . > github-ips.json
          
          # Extract just the ".hooks" array to github-hooks-ips.json
          echo "$META_JSON" | jq '.hooks' > github-hooks-ips.json
                   
          # Print the contents of both files to the console
          cat github-ips.json
          cat github-hooks-ips.json

      - name: Commit changes
        run: |
          # Configure Git (username & email to show in commit history)
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"

          # Stage changes
          git add github-ips.json
          git add github-hooks-ips.json

          # If there's nothing new to commit, don't fail
          git commit -m "Update GitHub IP ranges [skip ci]" || echo "No changes to commit"

          # Push changes (uses GITHUB_TOKEN with 'contents: write' permission)
          git push