From f40b1b65f81b695b44bae7ffe8f98c485b11846e Mon Sep 17 00:00:00 2001
From: Jae Kwon <jae@tendermint.com>
Date: Mon, 21 Nov 2016 20:01:11 -0800
Subject: [PATCH] Add Tempdir

---
 os.go | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/os.go b/os.go
index 9f38027f..e8943c0c 100644
--- a/os.go
+++ b/os.go
@@ -113,6 +113,19 @@ func Tempfile(prefix string) (*os.File, string) {
 	return file, file.Name()
 }
 
+func Tempdir(prefix string) (*os.File, string) {
+	tempDir := os.TempDir() + "/" + prefix + RandStr(12)
+	err := EnsureDir(tempDir, 0700)
+	if err != nil {
+		panic(Fmt("Error creating temp dir: %v", err))
+	}
+	dir, err := os.Open(tempDir)
+	if err != nil {
+		panic(Fmt("Error opening temp dir: %v", err))
+	}
+	return dir, tempDir
+}
+
 //--------------------------------------------------------------------------------
 
 func Prompt(prompt string, defaultValue string) (string, error) {