updates and cleanups

Signed-off-by: Jess Frazelle <jess@mesosphere.com>

gitiles/Dockerfile

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+FROM java:8-alpine
+MAINTAINER Jessica Frazelle <jess@docker.com>
+
+RUN apk --update add \
+	apache-ant \
+	bash \
+	git \
+	perl \
+	python \
+	zip \
+	--update-cache --repository http://dl-3.alpinelinux.org/alpine/edge/testing/ \
+	&& rm -rf /var/cache/apk/*
+
+# install buck
+RUN git clone --depth 1 https://github.com/facebook/buck.git /buck \
+	&& cd /buck \
+	&& ant \
+	&& ln -snfv ${PWD}/bin/buck /usr/bin/buck
+
+RUN git clone  --depth 1 --recurse-submodules https://gerrit.googlesource.com/gitiles /gitiles \
+	&& cd /gitiles \
+	&& touch .nobuckcheck \
+	&& git submodule update --init \
+	&& buck build all
+
+COPY ./start.sh /start.sh
+
+ENTRYPOINT [ "/start.sh" ]

gitiles/start.sh

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+#!/bin/sh
+set -e
+
+ROOT="/gitiles"
+PROPERTIES=
+
+if [ "x$1" != "x" ]; then
+  PROPERTIES="-Dcom.google.gitiles.configPath=$1"
+fi
+PROPERTIES="$PROPERTIES -Dcom.google.gitiles.sourcePath=$ROOT"
+
+exec java $PROPERTIES -jar "$ROOT/buck-out/gen/gitiles-dev/dev.jar"