#!/bin/bash -eu

ORG_PATH="github.com/coreos"
REPO_PATH="${ORG_PATH}/rocket"

if [ ! -h gopath/src/${REPO_PATH} ]; then
	mkdir -p gopath/src/${ORG_PATH}
	ln -s ../../../.. gopath/src/${REPO_PATH} || exit 255
fi

export GOBIN=${PWD}/bin
export GOPATH=${PWD}/gopath

eval $(go env)

echo "Building rkt (stage0)..."
go build -o ${GOBIN}/rkt \
	${RKT_STAGE1_IMAGE:+-ldflags "-X main.defaultStage1Image '${RKT_STAGE1_IMAGE}'"} \
	${REPO_PATH}/rkt

if [[ "$OSTYPE" == "linux-gnu" ]]; then
	echo "Building network plugins..."
	for d in networking/net/* networking/ipam/*; do
		if [ -d $d ]; then
			plugin=$(basename $d)
			echo "  " $plugin
			go install ${REPO_PATH}/$d
		fi
	done

	echo "Building actool..."
	go build -o ${GOBIN}/actool github.com/coreos/rocket/Godeps/_workspace/src/github.com/appc/spec/actool
	export ACTOOL=${GOBIN}/actool

	echo "Building init (stage1)..."
	go install ${REPO_PATH}/stage1/init

	# symlink plugin binaries into stage1 rootfs
	mkdir -p stage1/rootfs/net-plugins/bin
	# make sure the bin dir doesn't have old links
	rm -f stage1/rootfs/net-plugins/bin/*
	for d in networking/net/* networking/ipam/*; do
		if [ -d $d ]; then
			plugin=$(basename $d)
			ln -sf ${GOBIN}/$plugin stage1/rootfs/net-plugins/bin
		fi
	done

	# symlink init into stage1 rootfs
	mkdir -p stage1/rootfs/init/bin
	ln -sf ${GOBIN}/init stage1/rootfs/init/bin

	echo "Building rootfs (stage1)..."
	make -C stage1/rootfs
fi