From 6ade5f97e9197eba7324064089d940aafddf4998 Mon Sep 17 00:00:00 2001
From: Nathan LeClaire <nathan.leclaire@gmail.com>
Date: Wed, 27 Apr 2016 22:45:12 +0000
Subject: [PATCH] Cache kernel source download

Signed-off-by: Nathan LeClaire <nathan.leclaire@gmail.com>
---
 alpine/kernel/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/alpine/kernel/Dockerfile b/alpine/kernel/Dockerfile
index dfce33528..7125bd31c 100644
--- a/alpine/kernel/Dockerfile
+++ b/alpine/kernel/Dockerfile
@@ -25,9 +25,10 @@ RUN apt-get update && apt-get -y upgrade && apt-get -y install \
   ncurses-dev \
   p7zip-full \
   lzop \
+  wget \
   gcc-arm-linux-gnueabihf
 
-ADD ${KERNEL_SOURCE} .
+RUN wget ${KERNEL_SOURCE}
 
 RUN cat linux-${KERNEL_VERSION}.tar.xz | tar --absolute-names -xJ &&  mv /linux-${KERNEL_VERSION} /linux