1d629ccd46
"visudo -c" should be run after the sudoers file has been edited. This will ensure that the file is still syntactically correct, and exit 1 if it isn't. Otherwise, obscure errors can occur later on, and it is difficult to track them back to this script as the source of the error. Change-Id: Id0e5114d72c0779952a0c2c2c06696929c6c8b17