Function validateRef

src/lib/git-client.ts:58–68

(ref: string)

 * Rejects refs that start with "-" or contain control characters.
 */
export function validateRef(ref: string): void {
  if (ref.startsWith("-")) {
    throw new GitClientError(`Ref must not start with "-": "${ref}"`);
  }
  const ctrl = findControlCharacter(ref);
  if (ctrl) {
    throw new GitClientError(
      `Ref contains control character ${ctrl.hex} at position ${ctrl.position}`,
    );
  }
}

let gitChecked = false;