chore: alert if less than two ports Fixes #1041

schollz · web-flow · commit 768356a77462 · 2026-01-16T06:53:41.000-08:00
diff --git a/src/cli/cli.go b/src/cli/cli.go
@@ -799,6 +799,9 @@ func relay(c *cli.Context) (err error) {
 			ports[i] = strconv.Itoa(portString + i)
 		}
 	}
+	if len(ports) < 2 {
+		return fmt.Errorf("relay requires at least two ports; specify --ports with two or more ports or set --transfers to 2+")
+	}
 
 	tcpPorts := strings.Join(ports[1:], ",")
 	for i, port := range ports {

Original file line number	Diff line number	Diff line change
`@@ -799,6 +799,9 @@ func relay(c *cli.Context) (err error) {`
`799`	`799`	`ports[i] = strconv.Itoa(portString + i)`
`800`	`800`	`}`
`801`	`801`	`}`
	`802`	`+ if len(ports) < 2 {`
	`803`	`+ return fmt.Errorf("relay requires at least two ports; specify --ports with two or more ports or set --transfers to 2+")`
	`804`	`+ }`
`802`	`805`
`803`	`806`	`tcpPorts := strings.Join(ports[1:], ",")`
`804`	`807`	`for i, port := range ports {`