scripts: Move development-only scripts under scripts/dev

scripts/dev/codegen

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+# USAGE ./scripts/codegen
+# Generate Go protocol buffer code from proto definitions
+
+set -eu
+
+# Add protoc and protoc-gen-go tools to PATH
+export PATH=$PWD/bin:$PATH
+
+# protobuf subpackages end in "pb"
+PBUFS=$(go list ./... | grep -v /vendor | grep 'pb$')
+
+# change into each protobuf directory
+for pkg in $PBUFS ; do
+  abs_path=${GOPATH}/src/${pkg}
+  echo Generating $abs_path
+  pushd ${abs_path} > /dev/null
+  # generate protocol buffers, make other .proto files available to import
+  protoc --go_out=plugins=grpc:. -I=.:"${GOPATH}/src/" *.proto
+  popd > /dev/null
+done
+