Class: MergeRequestDiffFile

Inherits:
ApplicationRecord show all
Includes:
BulkInsertSafe, DiffFile, Gitlab::EncodingHelper
Defined in:
app/models/merge_request_diff_file.rb

Constant Summary

Constants included from Gitlab::EncodingHelper

Gitlab::EncodingHelper::ENCODING_CONFIDENCE_THRESHOLD

Constants included from BulkInsertSafe

BulkInsertSafe::ALLOWED_CALLBACKS, BulkInsertSafe::DEFAULT_BATCH_SIZE, BulkInsertSafe::MethodNotAllowedError, BulkInsertSafe::PrimaryKeySetError

Instance Method Summary collapse

Methods included from DiffFile

#to_hash

Methods included from Gitlab::EncodingHelper

#binary_io, #detect_binary?, #detect_libgit2_binary?, #encode!, #encode_binary, #encode_utf8

Methods inherited from ApplicationRecord

at_most, id_in, id_not_in, iid_in, pluck_primary_key, primary_key_in, safe_ensure_unique, safe_find_or_create_by, safe_find_or_create_by!, underscore, without_order

Instance Method Details

#diff ⇒ Object 


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# File 'app/models/merge_request_diff_file.rb', line 17

def diff
  content =
    if merge_request_diff&.stored_externally?
      merge_request_diff.opening_external_diff do |file|
        file.seek(external_diff_offset)
        force_encode_utf8(file.read(external_diff_size))
      end
    else
      super
    end

  return content unless binary?

  # If the data isn't valid base64, return it as-is, since it's almost certain
  # to be a valid diff. Parsing it as a diff will fail if it's something else.
  #
  # https://gitlab.com/gitlab-org/gitlab/-/issues/240921
  begin
    content.unpack1('m0')
  rescue ArgumentError
    content
  end
end

#utf8_diff ⇒ Object 


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# File 'app/models/merge_request_diff_file.rb', line 11

def utf8_diff
  return '' if diff.blank?

  encode_utf8(diff) if diff.respond_to?(:encoding)
end