44 lines
1.1 KiB
Lua
44 lines
1.1 KiB
Lua
---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (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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local setmetatable = setmetatable
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--local string = { match = string.match }
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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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local function worker(format)
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-- Initialise counters
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local updates = 0
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-- Check if updates are available
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local f = io.popen("pacman -Qu")
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for line in f:lines() do
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-- Pacman 3.2 provides the number of available updates
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--updates = string.match(line, "^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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-- Pacman 3.3 returns one line per package
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updates = updates + 1
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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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setmetatable(_M, { __call = function(_, ...) return worker(...) end })
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