placate lint

Signed-off-by: Andrew Thornton <art27@cantab.net>

main.go

@@ -71,6 +71,14 @@ func main() {
 		},
 	}
 
+	copyGlobalFlags(app)
+
+	if err := app.Run(os.Args); err != nil {
+		fmt.Printf("Failed to run app with %s: %v\n", os.Args[1:], err)
+	}
+}
+
+func copyGlobalFlags(app *cli.App) {
 	for _, command := range app.Commands {
 		originalFlagNames := make([]string, 0, len(command.Flags))
 		for _, flag := range command.Flags {
@@ -94,7 +102,4 @@ func main() {
 		}
 	}
 
-	if err := app.Run(os.Args); err != nil {
-		fmt.Printf("Failed to run app with %s: %v\n", os.Args[1:], err)
-	}
 }