redflat/timestamp.lua at master · mearsten/redflat · GitHub

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--                                               RedFlat time stamp                                                  --
-----------------------------------------------------------------------------------------------------------------------
-- Make time stamp on every awesome exit or restart
-- It still working if user config was broken and default rc loaded
-- Time stamp may be useful for making diffrence between awesome wm first run or restart
-----------------------------------------------------------------------------------------------------------------------

-- Grab environment
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local tonumber = tonumber
local io = io
local os = os

-- Initialize tables for module
-----------------------------------------------------------------------------------------------------------------------
local timestamp = {}

timestamp.path = "/tmp/awesome-stamp"
timestamp.timeout = 5
timestamp.bin = "awesome-client"
timestamp.lock = false

-- Grab environment
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local awful = require("awful")
local redutil = require("redflat.util")

-- Stamp functions
-----------------------------------------------------------------------------------------------------------------------

-- make time stamp
function timestamp.make()
	local file = io.open(timestamp.path, "w")
	file:write(os.time())
	file:close()
end

-- get time stamp
function timestamp.get()
	local res = redutil.read.file(timestamp.path)
	if res then return tonumber(res) end
end

-- check if it is first start
function timestamp.is_startup()
	local stamp = timestamp.get()
	return (not stamp or (os.time() - stamp) > timestamp.timeout) and not timestamp.lock
end

-- Connect exit signal on module initialization
-----------------------------------------------------------------------------------------------------------------------
awesome.connect_signal("exit",
	function()
		timestamp.make()
		awful.spawn.with_shell(
			string.format(
				"sleep 2 && %s %s",
				timestamp.bin, [["if timestamp == nil then timestamp = require('redflat.timestamp') end"]]
			)
		)
	end
)

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return timestamp