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# frozen_string_literal: true
module Projects
class GitDeduplicationService < BaseService
include ExclusiveLeaseGuard
LEASE_TIMEOUT = 86400
delegate :pool_repository, to: :project
attr_reader :project
def initialize(project)
@project = project
end
def execute
try_obtain_lease do
unless project.has_pool_repository?
disconnect_git_alternates
break
end
if source_project? && pool_can_fetch_from_source?
fetch_from_source
end
project.link_pool_repository if same_storage_as_pool?(project.repository)
end
end
private
def disconnect_git_alternates
project.repository.disconnect_alternates
end
def pool_can_fetch_from_source?
project.git_objects_poolable? &&
same_storage_as_pool?(pool_repository.source_project.repository)
end
def same_storage_as_pool?(repository)
pool_repository.object_pool.repository.storage == repository.storage
end
def fetch_from_source
project.pool_repository.object_pool.fetch
end
def source_project?
return unless project.has_pool_repository?
project.pool_repository.source_project == project
end
def lease_timeout
LEASE_TIMEOUT
end
def lease_key
"git_deduplication:#{project.id}"
end
end
end
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