Only update Server URL when it's necessary.

diff --git a/main.go b/main.go
index ee0def8..0908140 100644 (file)
--- a/main.go
+++ b/main.go
@@ -360,8 +360,10 @@ func XdsConnInit(ctx *cli.Context) error {
                return cli.NewExitError("ERROR while getting XDS config: "+err.Error(), 1)
        }
        svrCfg := xdsConf.Servers[XdsServerIndexGet()]
-       if serverURL != "" && (svrCfg.URL != serverURL || !svrCfg.Connected) {
-               svrCfg.URL = serverURL
+       if (serverURL != "" && svrCfg.URL != serverURL) || !svrCfg.Connected {
+               if serverURL != "" {
+                       svrCfg.URL = serverURL
+               }
                svrCfg.ConnRetry = 10
                if err := XdsConfigSet(xdsConf); err != nil {
                        return cli.NewExitError("ERROR while updating XDS server URL: "+err.Error(), 1)