usage: caom2-repo update [-h]
                         [--cert CERT | -n | --netrc-file NETRC_FILE | -u USER]
                         [--host HOST] [--resource-id RESOURCE_ID]
                         [-d | -q | -v]
                         observation

Update an existing observation

positional arguments:
  observation           XML file containing the observation

optional arguments:
  --cert CERT           location of your X509 certificate to use for
                        authentication (unencrypted, in PEM format)
  -d, --debug           debug messages
  -h, --help            show this help message and exit
  --host HOST           base hostname for services - used mainly for testing
                        (default: www.cadc-ccda.hia-iha.nrc-cnrc.gc.ca)
  -n                    use .netrc in $HOME for authentication
  --netrc-file NETRC_FILE
                        netrc file to use for authentication
  -q, --quiet           run quietly
  --resource-id RESOURCE_ID
                        resource identifier (default
                        ivo://cadc.nrc.ca/caom2repo)
  -u, --user USER       name of user to authenticate. Note: application
                        prompts for the corresponding password!
  -v, --verbose         verbose messages
