Module: Roast::Tools::UpdateFiles

Extended by:
UpdateFiles
Included in:
UpdateFiles
Defined in:
lib/roast/tools/update_files.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object

Add this method to be included in other classes



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# File 'lib/roast/tools/update_files.rb', line 10

def included(base)
  base.class_eval do
    function(
      :update_files,
      "Apply a unified diff/patch to files in the workspace. Changes are applied atomically if possible.",
      diff: {
        type: "string",
        description: "The unified diff/patch content to apply",
      },
      base_path: {
        type: "string",
        description: "Base path for relative file paths in the diff (default: current working directory)",
        required: false,
      },
      restrict_path: {
        type: "string",
        description: "Optional path restriction to limit where files can be modified",
        required: false,
      },
      create_files: {
        type: "boolean",
        description: "Whether to create new files if they don't exist (default: true)",
        required: false,
      },
    ) do |params|
      base_path = params[:base_path] || Dir.pwd
      create_files = params.fetch(:create_files, true)
      restrict_path = params[:restrict_path]

      Roast::Tools::UpdateFiles.call(
        params[:diff],
        base_path,
        restrict_path,
        create_files,
      )
    end
  end
end

Instance Method Details

#call(diff, base_path = Dir.pwd, restrict_path = nil, create_files = true) ⇒ String

Apply a unified diff to files

Parameters:

  • diff (String) —

    unified diff content

  • base_path (String) (defaults to: Dir.pwd) —

    base path for relative paths in the diff

  • restrict_path (String, nil) (defaults to: nil) —

    optional path restriction

  • create_files (Boolean) (defaults to: true) —

    whether to create new files if they don’t exist

Returns:

  • (String) —

    result message



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# File 'lib/roast/tools/update_files.rb', line 56

def call(diff, base_path = Dir.pwd, restrict_path = nil, create_files = true)
  Roast::Helpers::Logger.info("🔄 Applying patch to files\n")

  # Parse the unified diff to identify files and changes
  file_changes = parse_unified_diff(diff)

  if file_changes.empty?
    return "Error: No valid file changes found in the provided diff"
  end

  # Validate changes
  validation_result = validate_changes(file_changes, base_path, restrict_path, create_files)
  return validation_result if validation_result.is_a?(String) && validation_result.start_with?("Error:")

  # Apply changes atomically
  apply_changes(file_changes, base_path, create_files)
rescue StandardError => e
  "Error applying patch: #{e.message}".tap do |error_message|
    Roast::Helpers::Logger.error(error_message + "\n")
    Roast::Helpers::Logger.debug(e.backtrace.join("\n") + "\n") if ENV["DEBUG"]
  end
end