CCSPS IRON - 2.5.0 - Update Handler

local Paster = settings.get("paster")
shell.run(Paster,"get", "cJJU1pDZ","os/System/TempFiles/Versions.txt")
local file = fs.open("os/System/TempFiles/Versions.txt","r")
local List = textutils.unserialize(file.readAll())
file.close()
local Version = settings.get("version")
local Details = fs.open(fs.complete("os/Updater/StoredVersions",Version),"r")
local Stamp = Details.readLine()
Details.close()
local Update = false
for i = 1, #List do
    if List[i][2] > Stamp then Update = true end
end

function UpdateMenu()
local New = {}
for i = 1, #List do
    if List[i][2] > Stamp then New[#New+1] = i end
end
New[#New + 1] = "Cancel"
term.clear()
term.setCursorPos(1,1)
print("current Version: "..Version)
print("New Versions:")
local n = 1
while true do
for i = 1, #New do
    term.setCursorPos(1,i + 2)
    term.clearLine()
    if n == i then term.write(">> "..i.." - "..List[New[i]][1]) else term.write("  "..i.." - "..List[New[i]][1]) end
end
local a, b = os.pullEvent("key")
if b == keys.w then if n == 0 then n = #New else n = n - 1 end end
if b == keys.s then if n == #New then n = 1 else n = n + 1 end end
if b == keys.enter then break end

end
if n == #New then else shell.run("os/Updater/Installer.lua",List[New[n]][3]) end
end

function Prompt()
term.clear()
term.setCursorPos(1,1)
print("Update Detected, Install?")
print("y/n")
local a, b
repeat
    a, b = os.pullEvent("key")
until b == keys.y or b == keys.n
if b == keys.y then UpdateMenu() end
end

if Update == true then Prompt() end