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# frozen_string_literal: true
module Projects
module HashedStorage
# Returned when repository can't be made read-only because there is already a git transfer in progress
RepositoryInUseError = Class.new(StandardError)
class BaseRepositoryService < BaseService
include Gitlab::ShellAdapter
attr_reader :old_disk_path, :new_disk_path, :old_wiki_disk_path, :old_storage_version, :logger, :move_wiki
def initialize(project, old_disk_path, logger: nil)
@project = project
@logger = logger || Gitlab::AppLogger
@old_disk_path = old_disk_path
@old_wiki_disk_path = "#{old_disk_path}.wiki"
@move_wiki = has_wiki?
end
protected
# rubocop: disable CodeReuse/ActiveRecord
def has_wiki?
gitlab_shell.exists?(project.repository_storage, "#{old_wiki_disk_path}.git")
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def move_repository(from_name, to_name)
from_exists = gitlab_shell.exists?(project.repository_storage, "#{from_name}.git")
to_exists = gitlab_shell.exists?(project.repository_storage, "#{to_name}.git")
# If we don't find the repository on either original or target we should log that as it could be an issue if the
# project was not originally empty.
if !from_exists && !to_exists
logger.warn "Can't find a repository on either source or target paths for #{project.full_path} (ID=#{project.id}) ..."
# We return true so we still reflect the change in the database.
# Next time the repository is (re)created it will be under the new storage layout
return true
elsif !from_exists
# Repository have been moved already.
return true
end
gitlab_shell.mv_repository(project.repository_storage, from_name, to_name)
end
# rubocop: enable CodeReuse/ActiveRecord
def rollback_folder_move
move_repository(new_disk_path, old_disk_path)
move_repository("#{new_disk_path}.wiki", old_wiki_disk_path)
end
def try_to_set_repository_read_only!
# Mitigate any push operation to start during migration
unless project.set_repository_read_only!
migration_error = "Target repository '#{old_disk_path}' cannot be made read-only as there is a git transfer in progress"
logger.error migration_error
raise RepositoryInUseError, migration_error
end
end
end
end
end
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