rake -- config --key max_trend --value 31
#...
rake aborted!
NameError: undefined local variable or method `value' for #<ForemanConfig:0x0000001009aac8>
/home/vagrant/foreman/lib/tasks/config.rake:160:in `parse_and_set_string'
/home/vagrant/foreman/lib/tasks/config.rake:108:in `block in run_key_values'
/home/vagrant/foreman/lib/tasks/config.rake:100:in `each'
/home/vagrant/foreman/lib/tasks/config.rake:100:in `run_key_values'
/home/vagrant/foreman/lib/tasks/config.rake:77:in `run'
/home/vagrant/foreman/lib/tasks/config.rake:167:in `block in <top (required)>'
/home/vagrant/.rvm/gems/ruby-2.2.4/bin/ruby_executable_hooks:15:in `eval'
/home/vagrant/.rvm/gems/ruby-2.2.4/bin/ruby_executable_hooks:15:in `<main>'