fix vnc

tms-bbt/apache-tomcat-7.0.63/webapps/noVNC-master/utils/launch.sh

@@ -103,33 +103,17 @@ else
 fi
 
 # try to find websockify (prefer local, try global, then download local)
-if [[ -e ${HERE}/websockify ]]; then
-    WEBSOCKIFY=${HERE}/websockify/run
+WEBSOCKIFY=$(which websockify 2>/dev/null)
 
-    if [[ ! -x $WEBSOCKIFY ]]; then
-        echo "The path ${HERE}/websockify exists, but $WEBSOCKIFY either does not exist or is not executable."
-        echo "If you inteded to use an installed websockify package, please remove ${HERE}/websockify."
-        exit 1
-    fi
+if [[ $? -ne 0 ]]; then
+    # 如果系统PATH中找不到 websockify，则尝试克隆
+    echo "No installed websockify, attempting to clone websockify..."
+    WEBSOCKIFY=${HERE}/websockify/run # 设定克隆后 websockify/run 的路径
 
     echo "Using local websockify at $WEBSOCKIFY"
 else
-    WEBSOCKIFY=$(which websockify 2>/dev/null)
-
-    if [[ $? -ne 0 ]]; then
-        echo "No installed websockify, attempting to clone websockify..."
-        WEBSOCKIFY=${HERE}/websockify/run
-        git clone https://github.com/kanaka/websockify ${HERE}/websockify
-
-        if [[ ! -e $WEBSOCKIFY ]]; then
-            echo "Unable to locate ${HERE}/websockify/run after downloading"
-            exit 1
-        fi
-
-        echo "Using local websockify at $WEBSOCKIFY"
-    else
-        echo "Using installed websockify at $WEBSOCKIFY"
-    fi
+    # 如果系统PATH中找到了 websockify
+    echo "Using installed websockify at $WEBSOCKIFY"
 fi
 
 echo "Starting webserver and WebSockets proxy on port ${PORT}"