From d86fe916cbed89f56260bc22ebdd9270a08b64f6 Mon Sep 17 00:00:00 2001
From: David Wittman <david@wittman.com>
Date: Wed, 20 May 2015 21:43:47 -0500
Subject: [PATCH] Read from stdin with auth command

---
 command/auth.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/command/auth.go b/command/auth.go
index 456dbc7257..5650a56d4f 100644
--- a/command/auth.go
+++ b/command/auth.go
@@ -1,7 +1,9 @@
 package command
 
 import (
+	"bufio"
 	"fmt"
+	"io"
 	"os"
 	"sort"
 	"strings"
@@ -63,6 +65,17 @@ func (c *AuthCommand) Run(args []string) int {
 
 	// token is where the final token will go
 	handler := c.Handlers[method]
+
+	if len(args) > 0 && args[0] == "-" {
+		stdin := bufio.NewReader(os.Stdin)
+		args[0], err = stdin.ReadString('\n')
+		if err != nil && err != io.EOF {
+			c.Ui.Error(fmt.Sprintf("Error reading from stdin: %s", err))
+			return 1
+		}
+		args[0] = strings.TrimSpace(args[0])
+	}
+
 	if method == "" {
 		token := ""
 		if len(args) > 0 {