From 21c2590ba8570e5be7a39bcb416a0cd7618d135d Mon Sep 17 00:00:00 2001
From: Denis Isaev <denis@golangci.com>
Date: Sat, 22 Dec 2018 15:55:53 +0300
Subject: [PATCH] Fix #318: better validate linters and help commands

---
 pkg/commands/help.go    | 4 ++++
 pkg/commands/linters.go | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/pkg/commands/help.go b/pkg/commands/help.go
index 9fb2a877..fed59c12 100644
--- a/pkg/commands/help.go
+++ b/pkg/commands/help.go
@@ -44,6 +44,10 @@ func printLinterConfigs(lcs []linter.Config) {
 }
 
 func (e Executor) executeLintersHelp(cmd *cobra.Command, args []string) {
+	if len(args) != 0 {
+		e.log.Fatalf("Usage: golangci-lint help linters")
+	}
+
 	var enabledLCs, disabledLCs []linter.Config
 	for _, lc := range e.DBManager.GetAllSupportedLinterConfigs() {
 		if lc.EnabledByDefault {
diff --git a/pkg/commands/linters.go b/pkg/commands/linters.go
index fada8084..22500489 100644
--- a/pkg/commands/linters.go
+++ b/pkg/commands/linters.go
@@ -31,6 +31,10 @@ func IsLinterInConfigsList(name string, linters []linter.Config) bool {
 }
 
 func (e *Executor) executeLinters(cmd *cobra.Command, args []string) {
+	if len(args) != 0 {
+		e.log.Fatalf("Usage: golangci-lint linters")
+	}
+
 	enabledLCs, err := e.EnabledLintersSet.Get()
 	if err != nil {
 		log.Fatalf("Can't get enabled linters: %s", err)