cmd/p2psim: add exit error output and exit code (#17116)

9da128db · Chen Quan · Péter Szilágyi · 4e5d1f1c · 9da128db
Commit 9da128db authored Jul 03, 2018 by Chen Quan Committed by Péter Szilágyi Jul 03, 2018
Hide whitespace changes
Inline Side-by-side

Showing with 4 additions and 1 deletion

main.go cmd/p2psim/main.go +4 -1

No files found.
--- a/cmd/p2psim/main.go
+++ b/cmd/p2psim/main.go
@@ -180,7 +180,10 @@ func main() {
 			},
 		},
 	}
-	app.Run(os.Args)
+	if err := app.Run(os.Args); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
 }
 func showNetwork(ctx *cli.Context) error {