Class: Chef::Knife::Edit

Inherits:
ChefFS::Knife show all
Defined in:
lib/chef/knife/edit.rb

Instance Attribute Summary

Attributes inherited from Chef::Knife

#name_args, #ui

Instance Method Summary collapse

Methods inherited from ChefFS::Knife

#chef_fs, #configure_chef, #create_chef_fs, #create_local_fs, deps, #discover_repo_dir, #format_path, inherited, #local_fs, #parallelize, #pattern_arg_from, #pattern_args, #pattern_args_from

Methods inherited from Chef::Knife

#api_key, #apply_computed_config, category, chef_config_dir, common_name, #config_file_settings, config_loader, #configure_chef, #create_object, #delete_object, dependency_loaders, deps, #format_rest_error, guess_category, #humanize_exception, #humanize_http_exception, inherited, #initialize, load_commands, load_config, load_deps, #maybe_setup_fips, #merge_configs, msg, #noauth_rest, #parse_options, reset_config_loader!, reset_subcommands!, #rest, run, #run_with_pretty_exceptions, #server_url, #show_usage, snake_case_name, subcommand_category, subcommand_class_from, subcommand_files, subcommand_loader, subcommands, subcommands_by_category, #test_mandatory_field, ui, unnamed?, use_separate_defaults?, #username

Methods included from Mixin::ConvertToClassName

#constantize, #convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #normalize_snake_case_name, #snake_case_basename

Methods included from Mixin::PathSanity

#enforce_path_sanity

Constructor Details

This class inherits a constructor from Chef::Knife

Instance Method Details

#edit_text(text, extension) ⇒ Object 



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# File 'lib/chef/knife/edit.rb', line 52

def edit_text(text, extension)
  if !config[:disable_editing]
    Tempfile.open([ "knife-edit-", extension ]) do |file|
      # Write the text to a temporary file
      file.write(text)
      file.close

      # Let the user edit the temporary file
      if !system("#{config[:editor]} #{file.path}")
        raise "Please set EDITOR environment variable. See https://docs.chef.io/knife_using.html for details."
      end

      result_text = IO.read(file.path)

      return result_text if result_text != text
    end
  end
end

#run ⇒ Object 



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# File 'lib/chef/knife/edit.rb', line 20

def run
  # Get the matches (recursively)
  error = false
  pattern_args.each do |pattern|
    Chef::ChefFS::FileSystem.list(config[:local] ? local_fs : chef_fs, pattern).each do |result|
      if result.dir?
        ui.error "#{format_path(result)}: is a directory" if pattern.exact_path
        error = true
      else
        begin
          new_value = edit_text(result.read, File.extname(result.name))
          if new_value
            result.write(new_value)
            output "Updated #{format_path(result)}"
          else
            output "#{format_path(result)} unchanged"
          end
        rescue Chef::ChefFS::FileSystem::OperationNotAllowedError => e
          ui.error "#{format_path(e.entry)}: #{e.reason}."
          error = true
        rescue Chef::ChefFS::FileSystem::NotFoundError => e
          ui.error "#{format_path(e.entry)}: No such file or directory"
          error = true
        end
      end
    end
  end
  if error
    exit 1
  end
end