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---------------------------------------------------
-- Licensed under the GNU General Public License v2
-- * (c) 2009, Adrian C. <anrxc.sysphere.org>
---------------------------------------------------
-- {{{ Grab environment
local tonumber = tonumber
local io = { popen = io.popen }
local setmetatable = setmetatable
-- }}}
-- 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")
for line in f:lines() do
-- Pacman 3.2 provides the number of available updates
--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
-- Pacman 3.3 returns one line per package
updates = updates + 1
end
f:close()
return {updates}
end
-- }}}
setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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