From 2e14840e3c480667554ccad29c57b83100c958be Mon Sep 17 00:00:00 2001
From: neilpang <github@byneil.com>
Date: Sat, 25 Mar 2017 18:06:19 +0800
Subject: [PATCH] do not clear the value, so that one can pass in the values
 throw env variables.

---
 utils/launch.sh | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/utils/launch.sh b/utils/launch.sh
index de56758a..a9854e69 100755
--- a/utils/launch.sh
+++ b/utils/launch.sh
@@ -30,12 +30,10 @@ usage() {
 NAME="$(basename $0)"
 REAL_NAME="$(readlink -f $0)"
 HERE="$(cd "$(dirname "$REAL_NAME")" && pwd)"
-PORT="6080"
-VNC_DEST="localhost:5900"
-CERT=""
-WEB=""
+PORT="${PORT:-6080}"
+VNC_DEST="${VNC_DEST:-localhost:5900}"
 proxy_pid=""
-SSLONLY=""
+
 
 die() {
     echo "$*"