```ruby
#
# Copyright 2013, Dennis Klein
#
# 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.
#

action :add do
  newkey = new_resource.key

  execute "Adding APT repository key #{newkey}" do
    command "echo '#{newkey}' | apt-key add -"
  end
end

action :remove do
  keyid = new_resource.key

  execute "Remove APT repository key #{keyid}" do
    command "apt-key del #{keyid}"
    ignore_failure true # If the key does not exist, it should not break the chef run
  end
end
```

Remove repository key contents from chef output
user
```ruby
#
# Copyright 2013, Dennis Klein
#
# 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.
#

action :add do
  newkey = new_resource.key

  execute "Adding APT repository key" do
    command "echo '#{newkey}' | apt-key add -"
  end
end

action :remove do
  keyid = new_resource.key

  execute "Remove APT repository key" do
    command "apt-key del #{keyid}"
    ignore_failure true # If the key does not exist, it should not break the chef run
  end
end
```
assistant