Merges the given structs from left to right, meaning that later entries overwrites earlier ones.

merge(base, other)

Any options in other will overwrite those in base.

The files: field is merged, meaning that you can define included and/or excluded and only override the given one.

The checks: field is merged.

Returns the provided config_file merged into the default configuration.

• config_file: full path to the custom configuration file
• config_name: name of the configuration to load
• safe: if +true+, the config files are loaded using static analysis rather

      than `Code.eval_string/1`

Returns Execution struct representing a consolidated Execution for all .credo.exs files in relevant_directories/1 merged into the default configuration.

• config_name: name of the configuration to load
• safe: if +true+, the config files are loaded using static analysis rather

      than `Code.eval_string/1`

Returns all parent directories of the given dir as well as each ./config sub-directory.