From ea1c8173d2bdacbf03c9c84143f58900ab1d1dcc Mon Sep 17 00:00:00 2001
From: Jessica Frazelle <acidburn@docker.com>
Date: Wed, 2 Sep 2015 21:33:43 -0700
Subject: [PATCH] kernel builder

Signed-off-by: Jessica Frazelle <acidburn@docker.com>
---
 kernel-builder/Dockerfile     |  1 +
 kernel-builder/install_kernel | 26 +++++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/kernel-builder/Dockerfile b/kernel-builder/Dockerfile
index 8f05d3c..d53f7d0 100644
--- a/kernel-builder/Dockerfile
+++ b/kernel-builder/Dockerfile
@@ -4,6 +4,7 @@ MAINTAINER Jessica Frazelle <jess@docker.com>
 RUN apt-get update && apt-get install -y \
 	ca-certificates \
 	curl \
+	git \
 	kernel-package \
 	make \
 	libncurses5-dev \
diff --git a/kernel-builder/install_kernel b/kernel-builder/install_kernel
index 75952bc..aa05c39 100755
--- a/kernel-builder/install_kernel
+++ b/kernel-builder/install_kernel
@@ -10,17 +10,41 @@ install_kernel(){
 	fi
 
 	local MAJOR_VERSION=${VERSION:0:1}
-	
+	local V=( ${VERSION//./ } )
+	local MAJOR_MINOR_VERSION="${V[0]}.${V[1]}"
+
+	# get the kernel source
 	if [[ "$VERSION" == *-rc* ]]; then
 		[ -d /usr/src/linux-${VERSION} ] || curl -sSL https://kernel.org/pub/linux/kernel/v${MAJOR_VERSION}.x/testing/linux-${VERSION}.tar.xz | tar -v -C /usr/src -xJ
+		
+		MAJOR_MINOR_VERSION="${MAJOR_VERSION}.x-rcN"
 	else
 		[ -d /usr/src/linux-${VERSION} ] || curl -sSL https://www.kernel.org/pub/linux/kernel/v${MAJOR_VERSION}.x/linux-${VERSION}.tar.xz | tar -v -C /usr/src -xJ
 	fi
 
+	# get the aufs standalone source
+	aufsdir=/usr/src/aufs4-standalone
+	if [[ -d $aufsdir ]]; then
+		rm -rf $aufsdir
+	fi
+	git clone -b aufs${MAJOR_MINOR_VERSION} --single-branch --depth 1 https://github.com/sfjro/aufs4-standalone.git $aufsdir
+	cd $aufsdir
+
 	cd /usr/src/linux-${VERSION}
 
+	# apply the aufs patches
+	git apply $aufsdir/aufs4-kbuild.patch
+	git apply $aufsdir/aufs4-base.patch
+	git apply $aufsdir/aufs4-mmap.patch
+	cp -r $aufsdir/{Documentation,fs} .
+	cp $aufsdir/include/uapi/linux/aufs_type.h include/uapi/linux/
+
+	# remove aufs source
+	rm -rf $aufsdir
+
 	if [[ ! -f .config ]] && [[ -f ../config ]]; then
 		cp ../config .config
+		echo "CONFIG_AUFS_FS=y" >> .config
 	fi
 
 	nice -19 make -j$JOBS KDEB_PKGVERSION=$PKGVERSION INSTALL_MOD_STRIP=1 deb-pkg