I've installed the Google Cloud SDK some months ago, probably using the command `curl https://sdk.cloud.google.com | bash` described on it's [quickstart guide](https://developers.google.com/cloud/sdk/#Quick_Start). Looks like the "coretools" archive is [only available](https://dl.google.com/dl/cloudsdk/release/sha1.txt) for `x86_64`. If this is really the case, shouldn't it check for the current architecture (`amd64` or `i386`) that is being bootstrapped?