mkdir boulder
cd boulder
export GOPATH=`pwd`
git clone https://github.com/letsencrypt/boulder.git src/github.com/letsencrypt/boulder
go get -d -v ./...
cd ..
tar -c -v -f- --exclude .git boulder | xz -9 >boulder-`date '+%Y%m%d'`.tar.xz
rm -rf boulder
