91 lines
2.3 KiB
Ruby
91 lines
2.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module Gitlab
|
|
module ImportExport
|
|
class LfsRestorer
|
|
include Gitlab::Utils::StrongMemoize
|
|
|
|
attr_accessor :project, :shared
|
|
|
|
def initialize(project:, shared:)
|
|
@project = project
|
|
@shared = shared
|
|
end
|
|
|
|
def restore
|
|
return true if lfs_file_paths.empty?
|
|
|
|
lfs_file_paths.each do |file_path|
|
|
link_or_create_lfs_object!(file_path)
|
|
end
|
|
|
|
true
|
|
rescue StandardError => e
|
|
shared.error(e)
|
|
false
|
|
end
|
|
|
|
private
|
|
|
|
def link_or_create_lfs_object!(path)
|
|
size = File.size(path)
|
|
oid = LfsObject.calculate_oid(path)
|
|
|
|
lfs_object = LfsObject.find_or_initialize_by(oid: oid, size: size)
|
|
lfs_object.file = File.open(path) unless lfs_object.file&.exists?
|
|
lfs_object.save! if lfs_object.changed?
|
|
|
|
repository_types(oid).each do |repository_type|
|
|
LfsObjectsProject.create!(
|
|
project: project,
|
|
lfs_object: lfs_object,
|
|
repository_type: repository_type
|
|
)
|
|
end
|
|
end
|
|
|
|
def repository_types(oid)
|
|
# We allow support for imports created before the `lfs-objects.json`
|
|
# file was generated. In this case, the restorer will link an LFS object
|
|
# with a single `lfs_objects_projects` relation.
|
|
#
|
|
# This allows us backwards-compatibility without version bumping.
|
|
# See https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/30830#note_192608870
|
|
return ['project'] unless has_lfs_json?
|
|
|
|
lfs_json[oid]
|
|
end
|
|
|
|
def lfs_file_paths
|
|
@lfs_file_paths ||= Dir.glob("#{lfs_storage_path}/*")
|
|
end
|
|
|
|
def has_lfs_json?
|
|
strong_memoize(:has_lfs_json) do
|
|
File.exist?(lfs_json_path)
|
|
end
|
|
end
|
|
|
|
def lfs_json
|
|
return {} unless has_lfs_json?
|
|
|
|
@lfs_json ||=
|
|
begin
|
|
json = IO.read(lfs_json_path)
|
|
Gitlab::Json.parse(json)
|
|
rescue StandardError
|
|
raise Gitlab::ImportExport::Error, 'Incorrect JSON format'
|
|
end
|
|
end
|
|
|
|
def lfs_storage_path
|
|
File.join(shared.export_path, ImportExport.lfs_objects_storage)
|
|
end
|
|
|
|
def lfs_json_path
|
|
File.join(shared.export_path, ImportExport.lfs_objects_filename)
|
|
end
|
|
end
|
|
end
|
|
end
|