```ruby
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2009 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'chef/knife'

class Chef
  class Knife
    class RoleFromFile < Knife

      deps do
        require 'chef/role'
        require 'chef/knife/core/object_loader'
        require 'chef/json_compat'
      end

      banner "knife role from file FILE [FILE..] (options)"

      def loader
        @loader ||= Knife::Core::ObjectLoader.new(Chef::Role, ui)
      end

      option :all,
        :short => "-a",
        :long => "--all",
        :description => "Upload all roles, rather than just a single role"

      def run
        @name_args.each do |arg|
          updated = loader.load_from("roles", arg)

          updated.save

          output(format_for_display(updated)) if config[:print_after]

          ui.info("Updated Role #{updated.name}!")
        end
      end

    end
  end
end





```

Revert "[CHEF-1911] Also show the -a option"
user
```ruby
#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2009 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'chef/knife'

class Chef
  class Knife
    class RoleFromFile < Knife

      deps do
        require 'chef/role'
        require 'chef/knife/core/object_loader'
        require 'chef/json_compat'
      end

      banner "knife role from file FILE [FILE..] (options)"

      def loader
        @loader ||= Knife::Core::ObjectLoader.new(Chef::Role, ui)
      end

      def run
        @name_args.each do |arg|
          updated = loader.load_from("roles", arg)

          updated.save

          output(format_for_display(updated)) if config[:print_after]

          ui.info("Updated Role #{updated.name}!")
        end
      end

    end
  end
end





```
assistant