Acquire getopt without changing shell option

Author: renatomefi

php-fpm-healthcheck

@@ -103,18 +103,14 @@ check_fpm_health() {
     done
 }
 
-set +e
+if ! GETOPT=$(getopt -o v --long verbose,accepted-conn:,listen-queue-len:,active-processes:,slow-requests: -n 'php-fpm-healthcheck' -- "$@"); then
+    >&2 echo "Invalid options, terminating." ; exit 3
+fi;
 
-GETOPT=$(getopt -o v --long verbose,accepted-conn:,listen-queue-len:,active-processes:,slow-requests: -n 'php-fpm-healthcheck' -- "$@")
-
-if test "$?" != 0; then >&2 echo "Invalid options, terminating." ; exit 3 ; fi
-
-set -e
+eval set -- "$GETOPT"
 
 FCGI_CONNECT="${FCGI_CONNECT:-$FCGI_CONNECT_DEFAULT}"
 
-eval set -- "$GETOPT"
-
 VERBOSE=0
 
 while test "$1"; do