fix(agentctl): set exit code 1 on non-runnable command

Signed-off-by: François Gouteroux <[email protected]>

Author: fgouteroux

CHANGELOG.md

@@ -100,6 +100,8 @@ Main (unreleased)
 
 ### Bugfixes
 
+- Set exit code 1 on grafana-agentctl non-runnable command. (@fgouteroux)
+
 - Fixed an issue where `loki.process` validation for stage `metric.counter` was
   allowing invalid combination of configuration options. (@thampiotr)
 

cmd/grafana-agentctl/main.go

@@ -64,7 +64,9 @@ func main() {
 		testLogs(),
 	)
 
-	_ = cmd.Execute()
+	if err := cmd.Execute(); err != nil {
+		os.Exit(1)
+	}
 }
 
 func configSyncCmd() *cobra.Command {