-b, --verbosity LEVEL (default: verbose)::
  Specify the verbosity level of the command. LEVEL may be:
  - 'debug'   - verbose + enable verbose output for libcurl (CURLOPT_VERBOSE)
  - 'verbose' - default
  - 'quiet'   - errors only
  - 'mute'    - nothing at all

+
config: core.verbosity=<LEVEL>

