39 lines
1003 B
Lua
39 lines
1003 B
Lua
|
----------------------------------------------------------
|
||
|
|
-- Licensed under the GNU General Public License version 2
|
||
|
|
-- * Copyright (C) 2009 Adrian C. <anrxc_sysphere_org>
|
||
|
|
----------------------------------------------------------
|
||
|
|
|
||
|
|
-- {{{ Grab environment
|
||
|
|
local tonumber = tonumber
|
||
|
|
local io = { popen = io.popen }
|
||
|
|
-- }}}
|
||
|
|
|
||
|
|
|
||
|
|
-- Pacman: provides number of pending updates on Arch Linux
|
||
|
|
module("vicious.pacman")
|
||
|
|
|
||
|
|
|
||
|
|
-- {{{ Pacman widget type
|
||
|
|
function worker(format)
|
||
|
|
-- Check if updates are available
|
||
|
|
local f = io.popen("pacman -Qu")
|
||
|
|
|
||
|
|
-- Initialise updates
|
||
|
|
local updates = nil
|
||
|
|
|
||
|
|
-- Get data
|
||
|
|
for line in f:lines() do
|
||
|
|
-- If there are 'Targets:' then updates are available,
|
||
|
|
-- number is provided, we don't have to count packages
|
||
|
|
updates = line:match("^Targets[%s]%(([%d]+)%)") or 0
|
||
|
|
-- If the count changed then break out of the loop
|
||
|
|
if tonumber(updates) > 0 then
|
||
|
|
break
|
||
|
|
end
|
||
|
|
end
|
||
|
|
f:close()
|
||
|
|
|
||
|
|
return {updates}
|
||
|
|
end
|
||
|
|
-- }}}
|