From 84892d3686ef0b72a6903687a7bd82b070946ebd Mon Sep 17 00:00:00 2001
From: yuvipanda <yuvipanda@gmail.com>
Date: Wed, 18 Oct 2017 23:52:45 -0700
Subject: [PATCH] Remove intermediate containers in failed builds

---
 repo2docker/detectors.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/repo2docker/detectors.py b/repo2docker/detectors.py
index 995fa436..a3bf5ee5 100644
--- a/repo2docker/detectors.py
+++ b/repo2docker/detectors.py
@@ -420,6 +420,8 @@ class BuildPack(LoggingConfigurable):
                     'JUPYTERHUB_VERSION': self.jupyterhub_version,
                 },
                 decode=True,
+                forcerm=True,
+                rm=True
         ):
             yield line