GO_VERSION="$1"
TMP_DIR="tmp_go"
mkdir -p ${TMP_DIR}
wget --no-verbose --output-document=/dev/stdout https://golang.org/dl/go${GO_VERSION}.linux-amd64.tar.gz | \
  sudo tar --directory ${TMP_DIR} -xzf /dev/stdin
sudo rm -rf /usr/local/go
sudo mv ${TMP_DIR}/go /usr/local