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Diffstat (limited to 'pacman.lua')
-rw-r--r-- | pacman.lua | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/pacman.lua b/pacman.lua new file mode 100644 index 0000000..0d8f80a --- /dev/null +++ b/pacman.lua @@ -0,0 +1,38 @@ +---------------------------------------------------------- +-- 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 +-- }}} |