check-changelog.yml

name: Check for CHANGELOG.md Update

permissions:
    contents: read

on: [pull_request]

jobs:
    check-changelog:
        runs-on: ubuntu-latest
        steps:
            - name: Check out the repository
              uses: actions/checkout@v3

            - name: Get the list of modified files
              id: changed-files
              run: |
                  git fetch origin ${{ github.base_ref }} --depth=1
                  git diff --name-only origin/${{ github.base_ref }} ${{ github.sha }} > changed_files.txt
                  cat changed_files.txt

            - name: Check if CHANGELOG.md was updated
              run: |
                  if ! grep -q "^CHANGELOG.md$" changed_files.txt; then
                    echo "::error::CHANGELOG.md was not updated!"
                    exit 1
                  else
                    echo "CHANGELOG.md has been updated."
                  fi