* Check that every generated file has been regenerated for CI
* No color when not on a tty which is useful for build logs
* Always do updates when called without args
* Removed -u option and added -c for codegen only (dep update, docs gen, formatting, license check)
Yes, the file is called verify-codegen.sh, and yes in the other
Knative projects it both verifies generated code and verifies vendored
dependencies are up-to-date. For client, it just verifies vendored
dependencies don't drift.
The test-infra scripts specifically look for a file with this name. If
we'd prefer to call this something else, we'll also need to update
test-infra to look for that something else.
chaodaiG