cleanup

kernel-builder/Dockerfile

@@ -4,13 +4,29 @@ MAINTAINER Jessica Frazelle <jess@docker.com>
 RUN apt-get update && apt-get install -y \
     ca-certificates \
     curl \
-    fakeroot \
     kernel-package \
+    make \
     libncurses5-dev \
     --no-install-recommends
 
-WORKDIR /usr/src
+ENV HOME /root
+WORKDIR $HOME
 
-COPY ./download-kernel /usr/local/bin/download-kernel
+ENV JOBS 2
+
+# add install_kernel helper func
+RUN { \
+        echo '\ninstall_kernel(){'; \
+        echo '\tlocal VERSION=$1'; \
+        echo '\n\tif [[ -z $VERSION ]]; then'; \
+        echo '\t\techo "Please specify a kernel version."'; \
+        echo '\t\texit 1'; \
+        echo '\tfi\n'; \
+        echo '\tlocal MAJOR_VERSION=${VERSION:0:1}'; \
+        echo '\n\t[ -d /usr/src/linux-${VERSION} ] || curl -sSL https://www.kernel.org/pub/linux/kernel/v${MAJOR_VERSION}.x/linux-${VERSION}.tar.xz | tar -v -C /usr/src -xJ'; \
+        echo '\n\tcd /usr/src/linux-${VERSION}'; \
+        echo '\n\tnice -19 make -j$JOBS KDEB_PKGVERSION=$PKGVERSION INSTALL_MOD_STRIP=1 deb-pkg'; \
+        echo '}'; \
+    } >> ~/.bashrc
 
 CMD [ "bash" ]

kernel-builder/download-kernel

@@ -1,10 +0,0 @@
-#!/bin/bash
-
-VERSION=$1
-
-if [[ -z $VERSION ]]; then
-	echo "Please specify a kernel version."
-	exit 1
-fi
-
-curl -sSL https://www.kernel.org/pub/linux/kernel/v3.x/linux-${VERSION}.tar.xz | tar -v -C /usr/src -xJ