rbbupdater

-- ccGUI-API Updater by DerKoch AKA RoyalBingBong
-- Original idea for updater by Henness's "Advanced Updater"

-- Config
local author = "RoyalBingBong"
local project = "ccGUI-API"
local branch = "master"
local files = {"guiElements", "helper", "screen", "config"}
local dir = "RBB/"

--~ ##### Original Henness code START #####
function getLink(file)
	return "https://raw.github.com/" .. author .. "/" .. project .. "/" .. branch .. "/" .. file
end

function download(fname, name)
	print("Downloading, " .. fname)
	local data = http.get(getLink(fname))
	if data then
		print(file .. " downloaded")
		local file = fs.open(name,"w")
		file.write(data.readAll())
		file.close()
		return true
	end
end
--~ ##### Original Henness code END #####

function isNewer(oldfile, newfile)
	-- I don't want to kill your settings ;)
	if oldfile == "config" then
		return false
	end
	fold = fs.open(oldfile, "r")
	fnew = fs.open(newfile, "r")
	foldversion = fold.readLine()
	fnewversion = fnew.readLine()
	fold.close()
	fnew.close()
	foldversion = strsub (foldversion, strfind (foldversion, "="))
	fnewversion = strsub (fnewversion, strfind (fnewversion, "="))
	return tonumber(foldversion) < tonumber(fnewversion)
end

function downloadAll()
	for _, fname in pairs(files) do
		download(fname, dir .. fname .. "tmp")
	end
end
-- Deletes or renames files according to their version number
function checkAll()
	for _,fname in pairs(files) do
		if isNewer(dir..fname, dir..fname.."tmp") then
			fs.delete(dir..fname)
			fs.move(dir..fname.."tmp", dir..fname)
		else
			fs.delete(dir..fname.."tmp")
		end	
	end
end

downloadAll()
checkAll()