netcat tarnap

Signed-off-by: Jessica Frazelle <acidburn@docker.com>

netcat/Dockerfile

@@ -0,0 +1,9 @@
+FROM debian:sid
+MAINTAINER Jessica Frazelle <jess@docker.com>
+
+RUN apt-get update && apt-get install -y \
+	netcat \
+	--no-install-recommends \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENTRYPOINT [ "netcat" ]

tarsnap/Dockerfile

@@ -0,0 +1,38 @@
+FROM debian:sid
+MAINTAINER Jessica Frazelle <jess@docker.com>
+
+RUN apt-get update && apt-get install -y \
+	ca-certificates \
+	&& rm -rf /var/lib/apt/lists/*
+
+ENV TARSNAP_VERSION 1.0.36.1
+
+RUN buildDeps=' \
+		curl \
+		e2fslibs-dev \
+		gcc \
+		libc6-dev \
+		libdigest-sha-perl \
+		libssl-dev \
+		make \
+		zlib1g-dev \
+	' \
+	&& set -x \
+	&& apt-get update && apt-get install -y $buildDeps --no-install-recommends \
+	&& rm -rf /var/lib/apt/lists/* \
+	&& curl -sSL "https://www.tarsnap.com/download/tarsnap-autoconf-${TARSNAP_VERSION}.tgz" -o /tmp/tarsnap.tgz \
+	&& curl -sSL "https://www.tarsnap.com/download/tarsnap-sigs-${TARSNAP_VERSION}.asc" -o /tmp/tarsnap.tgz.asc \
+	&& curl -sSL "https://www.tarsnap.com/tarsnap-signing-key-2015.asc" | gpg --import \
+	&& sha=$(gpg --decrypt /tmp/tarsnap.tgz.asc | awk '{ print $4 }') \
+	&& if [ "$sha" != "$(shasum -a 256 /tmp/tarsnap.tgz | awk '{ print $1 }')" ]; then exit 1; fi \
+	&& mkdir -p /usr/src/tarsnap \
+	&& tar -xzf /tmp/tarsnap.tgz -C /usr/src/tarsnap --strip-components 1 \
+	&& rm /tmp/tarsnap.tgz* \
+	&& cd /usr/src/tarsnap \
+	&& ./configure --prefix=/usr \
+	&& make \
+	&& make install \
+	&& rm -rf /usr/src/tarsnap \
+	&& apt-get purge -y --auto-remove $buildDeps
+
+CMD [ "tarsnap", "--help" ]