--pretty much it, simple

local updateSprint = filtergc("function", {Name = "updateSprint"}, true)
local module = debug.getupvalue(updateSprint, 14)
local Update = module.Update

local oldUpdate

oldUpdate = hookfunction(Update, function(...)
    local data = select(2, ...)

    if data and rawget(data, "HasUnlimitedStamina") ~= nil then
        rawset(data, "HasUnlimitedStamina", true)
    end

    return oldUpdate(...)
end)