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