Add --nobundle flag to supress the default creation of certificate bundle.

cli.go

@@ -50,6 +50,12 @@ func main() {
 			Name:   "run",
 			Usage:  "Register an account, then create and install a certificate",
 			Action: run,
+			Flags: []cli.Flag{
+				cli.BoolFlag{
+					Name:  "nobundle",
+					Usage: "Do not create a certificate bundle by adding the issuers certificate to the new certificate.",
+				},
+			},
 		},
 		{
 			Name:   "revoke",
@@ -70,6 +76,10 @@ func main() {
 					Name:  "reuse-key",
 					Usage: "Used to indicate you want to reuse your current private key for the new certificate.",
 				},
+				cli.BoolFlag{
+					Name:  "nobundle",
+					Usage: "Do not create a certificate bundle by adding the issuers certificate to the new certificate.",
+				},
 			},
 		},
 	}

cli_handlers.go

@@ -198,7 +198,7 @@ func run(c *cli.Context) {
 		logger().Fatal("Please specify --domains or -d")
 	}
 
-	cert, failures := client.ObtainCertificate(c.GlobalStringSlice("domains"), true, nil)
+	cert, failures := client.ObtainCertificate(c.GlobalStringSlice("domains"), !c.Bool("nobundle"), nil)
 	if len(failures) > 0 {
 		for k, v := range failures {
 			logger().Printf("[%s] Could not obtain certificates\n\t%s", k, v.Error())
@@ -295,7 +295,7 @@ func renew(c *cli.Context) {
 
 	certRes.Certificate = certBytes
 
-	newCert, err := client.RenewCertificate(certRes, true)
+	newCert, err := client.RenewCertificate(certRes, !c.Bool("nobundle"))
 	if err != nil {
 		logger().Fatalf("%s", err.Error())
 	}