module Gitlab module Git # This class behaves like a struct with fields :blob_id, :blob_size, :operation, :old_path, :new_path # All those fields are (binary) strings or integers class RawDiffChange attr_reader :blob_id, :blob_size, :old_path, :new_path, :operation def initialize(raw_change) if raw_change.is_a?(Gitaly::GetRawChangesResponse::RawChange) @blob_id = raw_change.blob_id @blob_size = raw_change.size @old_path = raw_change.old_path.presence @new_path = raw_change.new_path.presence @operation = raw_change.operation&.downcase || :unknown else parse(raw_change) end end private # Input data has the following format: # # When a file has been modified: # 7e3e39ebb9b2bf433b4ad17313770fbe4051649c 669 M\tfiles/ruby/popen.rb # # When a file has been renamed: # 85bc2f9753afd5f4fc5d7c75f74f8d526f26b4f3 107 R060\tfiles/js/commit.js.coffee\tfiles/js/commit.coffee def parse(raw_change) @blob_id, @blob_size, @raw_operation, raw_paths = raw_change.split(' ', 4) @blob_size = @blob_size.to_i @operation = extract_operation @old_path, @new_path = extract_paths(raw_paths) end def extract_paths(file_path) case operation when :copied, :renamed file_path.split(/\t/) when :deleted [file_path, nil] when :added [nil, file_path] else [file_path, file_path] end end def extract_operation return :unknown unless @raw_operation case @raw_operation[0] when 'A' :added when 'C' :copied when 'D' :deleted when 'M' :modified when 'R' :renamed when 'T' :type_changed else :unknown end end end end end