Simple unattended gcloud installer

install-gcloud.sh

#!/bin/bash
set -e
pushd $HOME > /dev/null
if ! which gcloud > /dev/null; then
  arch="x86"
  os="linux"
  if uname -a | grep -i 'x86_64' > /dev/null; then
          arch="x86_64"
  fi
  if uname -a | grep -i 'darwin' > /dev/null; then
          os="darwin"
  fi
  curl -s $(curl https://cloud.google.com/sdk/docs/downloads-versioned-archives -s -o -|grep -Eo 'https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-([0-9\-\.]*)-'$os'-'$arch'.tar.gz')|tar -xz
  ./google-cloud-sdk/install.sh --usage-reporting false -q --command-completion true --path-update true
fi
popd > /dev/null