function SwapLocalUpgradeFile(fileName, activator)
	local tfGamerule = ents.FindByClass("tf_gamerules")

	if not tfGamerule or not IsValid(tfGamerule) then
		print("no tf gamerule")
		return
	end

	print("previous", tfGamerule.m_pszCustomUpgradesFile)
	tfGamerule:SetFakeSendProp("m_pszCustomUpgradesFile", fileName)
end

function SwapUpgradeFile(fileName, activator)
	local tfGamerule = ents.FindByClass("tf_gamerules")

	if not tfGamerule or not IsValid(tfGamerule) then
		print("no tf gamerule")
		return
	end

	print("previous", tfGamerule.m_pszCustomUpgradesFile)
	tfGamerule.m_pszCustomUpgradesFile = fileName
end