From f3c8e07836a9d73d1183d8990c2017a589cd1eb3 Mon Sep 17 00:00:00 2001
From: Gregor Noczinski <gregor@noczinski.eu>
Date: Fri, 25 Dec 2015 22:08:22 +0100
Subject: [PATCH] Also show help if App/Command Before produces error.

---
 app.go     | 3 +++
 command.go | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/app.go b/app.go
index 2f992d0..6884920 100644
--- a/app.go
+++ b/app.go
@@ -164,6 +164,9 @@ func (a *App) Run(arguments []string) (err error) {
 	if a.Before != nil {
 		err := a.Before(context)
 		if err != nil {
+			fmt.Fprintln(a.Writer, err)
+			fmt.Fprintln(a.Writer)
+			ShowAppHelp(context)
 			return err
 		}
 	}
diff --git a/command.go b/command.go
index 23eca5a..e42178e 100644
--- a/command.go
+++ b/command.go
@@ -149,6 +149,9 @@ func (c Command) Run(ctx *Context) (err error) {
 	if c.Before != nil {
 		err := c.Before(context)
 		if err != nil {
+			fmt.Fprintln(ctx.App.Writer, err)
+			fmt.Fprintln(ctx.App.Writer)
+			ShowCommandHelp(ctx, c.Name)
 			return err
 		}
 	}