#!/usr/bin/env bash
# Get/build binary tools for protocol buffer code generation

set -eu

OS=$(uname | tr A-Z a-z)
if [[ $OS == 'darwin' ]]; then
	OS=osx     # protoc names downloads with OSX, not darwin
fi

PROTOC_VERSION=3.0.0-beta-2

mkdir -p tools

# Get 'protoc' protocol buffer compiler
curl -L -o tools/protoc.zip https://github.com/google/protobuf/releases/download/v$PROTOC_VERSION/protoc-$PROTOC_VERSION-$OS-x86_64.zip
unzip tools/protoc.zip protoc -d tools
rm -f tools/protoc.zip

# Build protoc-gen-go plugin
pushd vendor/github.com/golang/protobuf/protoc-gen-go
go build
mv protoc-gen-go $(dirs -l +1)/tools
popd