Hi Chris,
"Chris" == Chris Koziarz chris@breakawayconsulting.com.au writes:
Chris> fatal: error [Errno -3] Temporary failure in name resolution
This looks like a temporary problem trying to download the 'repo' tool -- your machine can't convert gerrit.googlesource.com into an IP address (or possibly one of the sites it redirects to).
All I can suggest is trying again later.
Peter C