updater

--Will download programs from a file and set them up
--This will download the pastebin URL listed in the tables and name from the first value

--Will keep track of needed programs
local downLst

function downloadLst()
    print("Downloading program list...")
    if fs.exists("utils/list") then fs.delete("utils/list") end
    shell.run("pastebin","get","z94j1v3R", "utils/list")
    os.loadAPI("utils/list")
    downLst = list.getList()
    os.unloadAPI("utils/list")
    print("Download complete and new list acquired.")
end

function downloadLoop()
    print("Downloading program list...")
    for name, url in pairs(downLst) do
        print("Downloading "..name.."...")

        --Just in case I need to delete
        if fs.exists(name) then
            print("Deleting old "..name.."...")
            fs.delete(name)
        end

        shell.run("pastebin", "get", url, name)
        print(name.." complete!")
    end
end

function checkVersion()
    --Downloads list file and checks if programs need updating
    if not fs.exists("utils/list") then
        downloadLst()
        downloadLoop()
    end

    os.loadAPI("utils/list")
    local oldVersion = list.getVersion()
    os.unloadAPI("utils/list")
    downloadLst()
    os.loadAPI("utils/list")

    --If they don't match then a change has been made
    if oldVersion ~= list.getVersion() then
        downloadLoop()
    end
    os.unloadAPI("utils/list")
end

if checkVersion() then
    downloadLst()
    downloadLoop()
    print("Update finished!")
end