From 063b25cef542287ff0c1711929a4b53402030bc7 Mon Sep 17 00:00:00 2001
From: Daniel J Walsh <dwalsh@redhat.com>
Date: Mon, 30 Oct 2017 12:12:40 -0400
Subject: [PATCH] Report error when arguments given to crio command

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
---
 cmd/crio/main.go  | 10 ++++++++++
 test/command.bats | 12 ++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 test/command.bats

diff --git a/cmd/crio/main.go b/cmd/crio/main.go
index f7856c7f..e58adb11 100644
--- a/cmd/crio/main.go
+++ b/cmd/crio/main.go
@@ -409,6 +409,16 @@ func main() {
 			}()
 		}
 
+		args := c.Args()
+		if len(args) > 0 {
+			for _, command := range app.Commands {
+				if args[0] == command.Name {
+					break
+				}
+			}
+			return fmt.Errorf("command %q not supported", args[0])
+		}
+
 		config := c.App.Metadata["config"].(*server.Config)
 
 		if !config.SELinux {
diff --git a/test/command.bats b/test/command.bats
new file mode 100644
index 00000000..86e58f9d
--- /dev/null
+++ b/test/command.bats
@@ -0,0 +1,12 @@
+#!/usr/bin/env bats
+
+load helpers
+
+@test "crio commands" {
+	run ${CRIO_BINARY} --config /dev/null config > /dev/null
+	echo "$output"
+	[ "$status" -eq 0 ]
+	run ${CRIO_BINARY} badoption > /dev/null
+	echo "$output"
+	[ "$status" -ne 0 ]
+}