Add local and NetBox server notes and improve reliability

internal/ssh/args.go

@@ -88,6 +88,9 @@ func ReplaceHost(args []string, destIdx int, newHost string) []string {
 
 // HasPortFlag reports whether a port was specified via -p in args.
 func HasPortFlag(args []string) bool {
+	if parsed := Parse(args); parsed != nil {
+		args = args[:parsed.DestIdx]
+	}
 	for i, a := range args {
 		if a == "-p" && i+1 < len(args) {
 			return true
@@ -102,6 +105,9 @@ func HasPortFlag(args []string) bool {
 // HasUserFlag reports whether a user was specified via -l in args.
 // Used to avoid overriding an explicit -l with the configured default user.
 func HasUserFlag(args []string) bool {
+	if parsed := Parse(args); parsed != nil {
+		args = args[:parsed.DestIdx]
+	}
 	for i, a := range args {
 		if a == "-l" && i+1 < len(args) {
 			return true