47 lines
1.3 KiB
Lua
47 lines
1.3 KiB
Lua
---------------------------------------------------
|
|
-- Licensed under the GNU General Public License v2
|
|
-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
|
|
---------------------------------------------------
|
|
|
|
-- {{{ Grab environment
|
|
local io = { popen = io.popen }
|
|
local math = { max = math.max }
|
|
local setmetatable = setmetatable
|
|
-- }}}
|
|
|
|
|
|
-- Pkg: provides number of pending updates on UNIX systems
|
|
module("vicious.widgets.pkg")
|
|
|
|
|
|
-- {{{ Packages widget type
|
|
local function worker(format, warg)
|
|
if not warg then return end
|
|
|
|
-- Initialize counters
|
|
local updates = 0
|
|
local manager = {
|
|
["Arch"] = { cmd = "pacman -Qu" },
|
|
["Arch S"] = { cmd = "yes | pacman -Sup", sub = 1 },
|
|
["Debian"] = { cmd = "apt-show-versions -u -b" },
|
|
["Ubuntu"] = { cmd = "aptitude search '~U'" },
|
|
["Fedora"] = { cmd = "yum list updates", sub = 3 },
|
|
["FreeBSD"] ={ cmd = "pkg_version -I -l '<'" },
|
|
["Mandriva"]={ cmd = "urpmq --auto-select" }
|
|
}
|
|
|
|
-- Check if updates are available
|
|
local pkg = manager[warg]
|
|
local f = io.popen(pkg.cmd)
|
|
|
|
for line in f:lines() do
|
|
updates = updates + 1
|
|
end
|
|
f:close()
|
|
|
|
return {pkg.sub and math.max(updates-pkg.sub, 0) or updates}
|
|
end
|
|
-- }}}
|
|
|
|
setmetatable(_M, { __call = function(_, ...) return worker(...) end })
|