View difference between Paste ID: DhDfWEdz and 8qbeZevX

 version = 20230824.1330
 --[[
 	https://pastebin.com/8qbeZevX
 	Last edited: see version YYYYMMDD.HHMM
 	use ' pastebin run 8qbeZevX ' in turtle terminal
 	This will load useful tools and utilities
 ]]
 
 local libDir = "lib"	-- set library directory name
 local tmpDir = "tmp"	-- set temp folder name to 'tmp'
 local root = "."
 local files = {}		-- table of main files
 local libFiles = {}		-- table of lib files (clsTurtle.lua and menu.lua)
 local fileSizes = {}		-- table of current file sizes
 local libFileSizes = {}	-- table of current library file sizes
 
 local function clear()
 	term.clear()
 	term.setCursorPos(1, 1)
 end
 
 local function log(text)
 	print(text)
 	local h = fs.open("update.log", "a")
 	h.writeLine(text)
 	h.close()
 end
 
 local function checkLabel()
 	if os.getComputerLabel() == nil then
 		local noname = true
 		while noname do
 			clear()
 			log("Give this turtle a name (no spaces)_")
 			name = read()
 			if name == '' then
 				print("Just pressing Enter does not work")
 			elseif string.find(name, ' ') ~= nil then
 				print("NO SPACES!")
 			else
 				noname = false
 			end
 			if noname then
 				sleep(2)
 			end
 		end
 
 		os.setComputerLabel(name)
 		log("Computer label set to "..os.getComputerLabel())
 	end
 end
 
 local function checkFileExists(fileName, isLib)
 	--[[ check in ./ or ./lib/ only (existing files) ]]
 	if isLib then	-- checking a library file
 		if fs.exists(fs.combine(libDir, fileName)) or fs.exists(fs.combine(libDir, fileName..".lua")) then
 			return true
 		end
 	else
 		if fs.exists(fileName) or fs.exists(fileName..".lua") then
 			return true
 		end
 	end
 	return false
 end
 
 local function createTempDir()
 	if fs.exists(tmpDir) then
 		log("./"..tmpDir.." already exists")
 	else
 		log("./"..tmpDir.." created")
 		fs.makeDir(tmpDir)
 	end
 end
 
 local function getFile(pastebin, fileName)
 	--[[eg "UFvjc1bw", "tmp", "tk"
 		use pastebin get to download file to tmp]]
 	log("Fetching "..pastebin.." from Pastebin...")
 	status, retval = pcall(shell.run, "pastebin", "get", pastebin, fs.combine(tmpDir, fileName))
 	--if shell.run("pastebin", "get", pastebin, fs.combine(tmpDir, fileName)) then
 	if status then
 		log("Fetch error message "..tostring(retVal))
 		log("Fetch success: "..tostring(status))
 		log(fileName.." copied to ./"..tmpDir)
 		return true
 	else
 		log(retval)
 		log("failed to copy "..fileName.." from Pastebin")
 		return false
 	end
 end
 
 local function moveFile(isLib, fileName) -- movgee tmp copy to /lib/
 	if isLib then
 		fs.delete(fs.combine(libDir, fileName))
 		sleep(1)
 		fs.move(fs.combine(tmpDir, fileName), fs.combine(libDir, fileName)) -- move to lib/
 		log("Moved: "..fileName.." from ./"..tmpDir.." to ./"..libDir.."/")
 	else
 		fs.delete(fileName)
 		sleep(1)
 		fs.move(fs.combine(tmpDir, fileName), fs.combine(root, fileName)) --move to root
 		log("Moved: "..fileName.." from ./"..tmpDir.." to ./")
 	end
 end
 
 local function getVersion(line, fileName)
 	--[[ version = 20201223.1104 ]]
 	local version = 0
 	if line == nil then
 		log("Error reading "..fileName)
 	else
 		line = line:gsub(" ", "") -- remove spaces
 		local start = line:find("=")
 
 		if start ~= nil then -- found
 			version = tonumber(line:sub(start + 1))
 		end
 	end
 
 	return version
 end
 
 local function isNewer(isLib, fileName)
 	--[[ open files in tmp and .. or ../tmp to read file version ]]
 	local old = nil										-- declare old file handle
 	local new = nil										-- declare new file handle
 	local move = true									-- set move flag to true
 	local oldOpen, newOpen = false, false
 
 	if isLib then										-- file is in lib/
 		if checkFileExists(fileName, true) then
 			old = fs.open(fs.combine(libDir, fileName), "r")
 			move = false
 			oldOpen = true
 		end
 	else												-- not a library file
 		if checkFileExists(fileName, false) then
 			old = fs.open(fileName, "r")
 			move = false
 			oldOpen = true
 		end
 	end
 
 	if not move then 									-- previous version of file exists
 		if fs.exists(fs.combine(tmpDir, fileName)) then	-- should exist in tmp folder
 			new = fs.open(fs.combine(tmpDir, fileName), "r")
 			newOpen = true
 			local oldVer = getVersion(old.readLine(),fileName)
 			log("Existing "..fileName.." version: "..oldVer)
 			local newVer = getVersion(new.readLine(), fileName)
 			log("Downloaded "..fileName.." version: "..newVer)
 			if oldVer > 0 and newVer > 0 then
 				if newVer > oldVer then
 					move = true
 				end
 			elseif oldVer == 0 and newVer > 0 then
 				move = true
 			end
 		end
 	end
 
 	if newOpen then
 		new.close()
 	end
 	if oldOpen then
 		old.close()
 	end
 	return move
 end
 
 local function process(key, value, isLib)
 	local fileName = key..".lua"
 	local count = 0
 	local fileSize = 0
 	local freeSpace = fs.getFreeSpace("./")
 	log("\nAvailable space: "..freeSpace)
 	log("Checking: "..fileName)
 	if isLib then
 		fileSize = libFileSizes[key]
 	else
 		fileSize = fileSizes[key]
 	end
 	log(fileName.." size:"..fileSize)
 	log("Available space after fetch: "..freeSpace - fileSize)
-	if freeSpace - fileSize < 50000 then
+	if freeSpace - fileSize < 0 then
 		clear()
 		local message =
 [[Insufficient disk space for update.
 1. Save your game
 2. Edit the file:
 serverconfig/computercraft-server.toml
 (in your game save folder)
 3. Change line 2:
 computer_space_limit = 1000000 to
 computer_space_limit = 2000000 or more
 4. Re-start the game
 5. Run the updater again
 ]]
 		log(message)
 		return -1
 	else
 		if getFile(value, fileName) then		-- download file to /tmp
 			if isNewer(isLib, fileName) then
 				moveFile(isLib, fileName) 		-- move tmp copy to /lib
 				count = count  + 1
 			else
 				log(fileName.." is newer or unchanged")
 			end
 			sleep(1)
 			log("Removing "..tmpDir.."/"..fileName)
 			fs.delete(fs.combine(tmpDir, fileName))
 			sleep(2)
 		end
 	end
 
 	return count
 end
 
 local function addFileSize(isLib, tblName, key)
 	local fileName = key..".lua"
 	if checkFileExists(fileName, isLib) then
 		if isLib then
 			tblName[key] = fs.getSize(fs.combine(libDir, fileName))
 			log("File size "..libDir.."/"..fileName..": "..tblName[key])
 		else
 			tblName[key] = fs.getSize(fileName)
 			log("File size "..fileName..": "..tblName[key])
 		end
 	else
 		tblName[key] = 0
 		log("File size "..fileName.."\t: "..tblName[key].." (file not present)")
 	end
 
 end
 
 function main()
 	local doContinue = true							-- set continue flag
 	clear()
 	checkLabel() 									-- make sure turtle label is set
 	createTempDir() 								-- create /tmp/
 	local tk = "UFvjc1bw"
 
 	libFiles['clsTurtle'] 	= "tvfj90gK"
 	libFiles['menu'] 		= "BhjbYsw4"
 
 	--files["tk"] 		= "UFvjc1bw"
 	files['go'] 		= "xQqK3VcK"
 	files['lavaRefuel'] = "kFZsXu99"
 	files['d'] 			= "i2MRYcsZ"
 	files['u'] 			= "idtySGKX"
 	files['b'] 			= "g7DjxRbr"
 	files['f'] 			= "KXCakmNn"
 	files['r'] 			= "DH6smTHb"
 	files['l'] 			= "yWDKZpvj"
 	files['p'] 			= "D25pg0QQ"
 	files['x'] 			= 'Z9GBSM8e'
 	files['flint'] 		= "dBJ0frzj"
 	files['data'] 		= "fCKDc9Vi"
 
 	local updated = 0
 	local libUpdated = 0
 	local h = fs.open("update.log", "w")
 	h.writeLine('Update Log:')
 	h.close()
 
 	log("Checking file sizes:\n")
 
 	for key, _ in pairs(libFiles) do
 		addFileSize(true, libFileSizes, key)
 	end
 	addFileSize(false, fileSizes, "tk")
 	for key, _ in pairs(files) do
 		addFileSize(false, fileSizes, key)
 	end
 	local freeSpace = fs.getFreeSpace("./")
 	log("Free space: "..freeSpace.."\n")
 	clear()
 	local updated, libUpdated = 0, 0
 	updated = updated + process("tk", tk, false)			-- start with tk as may cause out of space error
 	if updated >= 0 then
 		for key,value in pairs(libFiles) do
 			libUpdated = libUpdated + process(key, value, true)		-- download lib files from pastebin to tmp/
 		end
 		for key,value in pairs(files) do
 			updated = updated + process(key, value, false)			-- download root files from pastebin to tmp/
 		end
 		sleep(1)
 		log("Attempting deletion of ./"..tmpDir)
 		status, retval = pcall(fs.delete, tmpDir)
 		if status then
 			log("./"..tmpDir.." deleted")
 		else
 			log("Directory delete error message:\n "..tostring(retVal))
 		end
 		log("\nOperation Complete ")
 		log(libUpdated.." library files updated")
 		log(updated.." root files updated")
 	end
 	print("See update.log for details")
 end
 
 main()