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# This fixes the problem https://gitlab.com/gitlab-org/gitlab-ce/issues/46182 that carrierwave eagerly loads upoloading files into memory
# There is an PR https://github.com/carrierwaveuploader/carrierwave/pull/2314 which has the identical change.
module CarrierWave
module Storage
class Fog < Abstract
class File
module MonkeyPatch
##
# Read content of file from service
#
# === Returns
#
# [String] contents of file
def read
file_body = file.body
return if file_body.nil?
return file_body unless file_body.is_a?(::File)
# Fog::Storage::XXX::File#body could return the source file which was upoloaded to the remote server.
read_source_file(file_body) if ::File.exist?(file_body.path)
# If the source file doesn't exist, the remote content is read
@file = nil # rubocop:disable Gitlab/ModuleWithInstanceVariables
file.body
end
##
# Write file to service
#
# === Returns
#
# [Boolean] true on success or raises error
def store(new_file)
if new_file.is_a?(self.class) # rubocop:disable Cop/LineBreakAroundConditionalBlock
new_file.copy_to(path)
else
fog_file = new_file.to_file
@content_type ||= new_file.content_type # rubocop:disable Gitlab/ModuleWithInstanceVariables
@file = directory.files.create({ # rubocop:disable Gitlab/ModuleWithInstanceVariables
:body => fog_file ? fog_file : new_file.read, # rubocop:disable Style/HashSyntax
:content_type => @content_type, # rubocop:disable Style/HashSyntax,Gitlab/ModuleWithInstanceVariables
:key => path, # rubocop:disable Style/HashSyntax
:public => @uploader.fog_public # rubocop:disable Style/HashSyntax,Gitlab/ModuleWithInstanceVariables
}.merge(@uploader.fog_attributes)) # rubocop:disable Gitlab/ModuleWithInstanceVariables
fog_file.close if fog_file && !fog_file.closed?
end
true
end
private
def read_source_file(file_body)
return unless ::File.exist?(file_body.path)
begin
file_body = ::File.open(file_body.path) if file_body.closed? # Reopen if it's already closed
file_body.read
ensure
file_body.close
end
end
end
prepend MonkeyPatch
end
end
end
end
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