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