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Most of the code that is authored when working with Chef is written as Ruby. Just about every file within a cookbook—with few exceptions!—is a Ruby file.

cookstyle is a linting tool based on RuboCop designed to address the following issues:

  • New releases of RuboCop typically contain new style rules. These often cause projects to fail style checks after the upgrade.
  • The default configuration for RuboCop enables many checks that are inappropriate for cookbook development.

cookstyle addresses these issues by:

  • Pinning to a specific version of RuboCop.
  • Replacing the default RuboCop configuration with one that is more appropriate for cookbook development.

When a new version of RuboCop is released, an automated process disables new style rules in the default configuration.

For more information ...

For more information about cookstyle: