vicious/pacman.lua

38 lines
906 B
Lua

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-- Licensed under the GNU General Public License v2
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
--local string = { match = string.match }
-- }}}
-- Pacman: provides number of pending updates on Arch Linux
module("vicious.pacman")
-- {{{ Pacman widget type
local function worker(format)
-- Initialise counters
local updates = 0
-- Check if updates are available
local f = io.popen("pacman -Qu")
-- Exclude IgnorePkg and count deps
--local f = io.popen("pacman -Sup")
for line in f:lines() do
updates = updates + 1
end
f:close()
return {updates}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })