cli/command/swarm: use strings.Cut
@@ -175,14 +175,12 @@ func parseExternalCA(caSpec string) (*swarm.ExternalCA, error) {
)
for _, field := range fields {
- parts := strings.SplitN(field, "=", 2)
-
- if len(parts) != 2 {
+ key, value, ok := strings.Cut(field, "=")
+ if !ok {
return nil, errors.Errorf("invalid field '%s' must be a key=value pair", field)
}
- key, value := parts[0], parts[1]
-
+ // TODO(thaJeztah): these options should not be case-insensitive.
switch strings.ToLower(key) {
case "protocol":
hasProtocol = true
