From fddde8e87d44f04fa16846e16b657cef2e70ded7 Mon Sep 17 00:00:00 2001
From: Justin Schneck <jschneck@mac.com>
Date: Fri, 26 Apr 2019 12:58:01 -0400
Subject: [PATCH] Sanitize :: from path for sytsem shell

Starting in asdf >= 7.0.0 the path would contain :: and cause buildroot ot throw the error:

You seem to have the current working directory in your
PATH environment variable. This doesn't work.
support/dependencies/dependencies.mk:21: recipe for target 'dependencies' failed
---
 lib/mix/nerves/shell.ex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/mix/nerves/shell.ex b/lib/mix/nerves/shell.ex
index 05d04a97..e180d0ee 100644
--- a/lib/mix/nerves/shell.ex
+++ b/lib/mix/nerves/shell.ex
@@ -24,7 +24,8 @@ defmodule Mix.Nerves.Shell do
         :binary,
         :eof,
         :stream,
-        :stderr_to_stdout
+        :stderr_to_stdout,
+        {:env, [{'PATH', sanitize_path()}]}
       ])
 
     # Tell the script command about the terminal dimensions