check_newline.yml

name: "SSF File: Check Newline at EOF"

on:
  pull_request:
    paths:
      - "**.ssf"

jobs:
  check_newline:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v5

      - name: Check Newline at EOF
        ## From: https://stackoverflow.com/questions/77046462/github-new-line-missing-end-of-file-negative-consequences
        run: |
          PR_NUMBER=$(echo $GITHUB_REF | awk 'BEGIN { FS = "/" } ; { print $3 }')
          FILES_CHANGED=$(curl -s -X GET -G https://api.github.com/repos/$GITHUB_REPOSITORY/pulls/$PR_NUMBER/files | jq -r '.[] | .filename')
          for FILE in $FILES_CHANGED; do
            if [[ "$FILE" == *.ssf ]]; then
              if [ "$(tail -c1 "$FILE")" != "" ]; then
                echo "File $FILE does not end with a newline. Please add a newline at the end of this file."
                exit 1
              fi
            fi
          done