A testcase for bug about inheritance of ONBUILD traits

grandchildren-onbuild-testcase.sh

#!/bin/bash

set -e

mkdir -p base{1,2,3}

echo -e "FROM ubuntu:13.10\nRUN echo I am your grand father\nONBUILD RUN echo I am your father" > base1/Dockerfile
echo "FROM base1" > base2/Dockerfile
echo -e "FROM base2\nEXPOSE 1000" > base3/Dockerfile

cd base1
docker build --tag=base1 .
echo "--------------------------- Built base1"
cd ../base2
docker build --tag=base2 .
echo "--------------------------- Built base2"
cd ../base3
docker build --tag=base3 .
echo "--------------------------- Built base3"

docker rmi base{1,2,3} > /dev/null