Hammer CLI

# hammer organization create --name myuniqueorg1
Organization created
# hammer organization info --name myuniqueorg1
Id:          109
Name:        myuniqueorg1
Created at:  2014/01/10 22:09:36
Updated at:  2014/01/10 22:09:36

# hammer organization update --id 109 --id 4
Organization updated
# echo $?
0
# hammer organization update --id 109 --new-name
Organization updated
# echo $?
0

I'd argue that the last commands should have returned a non-zero return code and a message stating something along the lines of "you passed redundant arguments" and "missing value for attribute $foo"