95 lines
2.5 KiB
Ruby
95 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module ImportExport
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class LfsSaver
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include Gitlab::ImportExport::CommandLineUtil
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include DurationMeasuring
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attr_accessor :lfs_json, :project, :shared
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BATCH_SIZE = 100
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def initialize(project:, shared:)
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@project = project
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@shared = shared
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@lfs_json = {}
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end
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def save
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with_duration_measuring do
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project.lfs_objects.find_in_batches(batch_size: BATCH_SIZE) do |batch|
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batch.each do |lfs_object|
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save_lfs_object(lfs_object)
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end
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append_lfs_json_for_batch(batch)
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end
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write_lfs_json
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true
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end
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rescue StandardError => 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 save_lfs_object(lfs_object)
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if lfs_object.local_store?
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copy_file_for_lfs_object(lfs_object)
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else
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download_file_for_lfs_object(lfs_object)
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end
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end
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def download_file_for_lfs_object(lfs_object)
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destination = destination_path_for_object(lfs_object)
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mkdir_p(File.dirname(destination))
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File.open(destination, 'w') do |file|
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IO.copy_stream(URI.parse(lfs_object.file.url).open, file)
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end
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end
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def copy_file_for_lfs_object(lfs_object)
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copy_files(lfs_object.file.path, destination_path_for_object(lfs_object))
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end
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def append_lfs_json_for_batch(lfs_objects_batch)
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lfs_objects_projects = LfsObjectsProject
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.select('lfs_objects.oid, array_agg(distinct lfs_objects_projects.repository_type) as repository_types')
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.joins(:lfs_object)
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.where(project: project, lfs_object: lfs_objects_batch)
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.group('lfs_objects.oid')
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lfs_objects_projects.each do |group|
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oid = group.oid
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lfs_json[oid] ||= []
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lfs_json[oid] += group.repository_types
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end
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end
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def write_lfs_json
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mkdir_p(shared.export_path)
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File.write(lfs_json_path, lfs_json.to_json)
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end
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def destination_path_for_object(lfs_object)
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File.join(lfs_export_path, lfs_object.oid)
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end
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def lfs_export_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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