From d3ecc4d91ab67e3b2c487d1ad15a56eeadf4658f Mon Sep 17 00:00:00 2001
From: Carsten Klein <trancesilken@gmail.com>
Date: Sat, 6 Oct 2018 17:49:34 +0200
Subject: [PATCH] fix gh-176: fail early if there is no tmp dir specified

---
 lib/tmp.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/tmp.js b/lib/tmp.js
index 5859d74..d2a8cf7 100644
--- a/lib/tmp.js
+++ b/lib/tmp.js
@@ -121,6 +121,11 @@ function _parseArguments(options, callback) {
  * @private
  */
 function _generateTmpName(opts) {
+
+  // fail early on missing tmp dir
+  if (!opts.dir && !tmpDir)
+    throw new Error("no tmp dir specified");
+
   /* istanbul ignore else */
   if (opts.name) {
     return path.join(opts.dir || tmpDir, opts.name);