rm -rf gron
export GOPATH=`pwd`/gron
git clone --depth 1 https://github.com/tomnomnom/gron $GOPATH/src/github.com/tomnomnom/gron
( cd $GOPATH/src/github.com/tomnomnom/gron
  go get -v -d
)
tar -c -f- --exclude .git gron | xz -9 >gron-`date '+%Y%m%d'`.tar.xz
rm -rf gron
