58 lines
1.6 KiB
Lua
58 lines
1.6 KiB
Lua
---------------------------------------------------
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-- Licensed under the GNU General Public License v2
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-- * (c) 2010, Adrian C. <anrxc@sysphere.org>
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---------------------------------------------------
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-- {{{ Grab environment
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local setmetatable = setmetatable
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local spawn = require("vicious.spawn")
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-- }}}
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-- Pkg: provides number of pending updates on UNIX systems
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-- vicious.widgets.pkg
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local pkg_all = {}
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local PKGMGR = {
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["Arch"] = { cmd = "pacman -Qu" },
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["Arch C"] = { cmd = "checkupdates" },
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["Arch S"] = { cmd = "yes | pacman -Sup", sub = 1 },
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["Debian"] = { cmd = "apt list --upgradable", sub = 1 },
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["Ubuntu"] = { cmd = "apt list --upgradable", sub = 1 },
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["Fedora"] = { cmd = "dnf check-update", sub = 2 },
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["FreeBSD"] = { cmd = "pkg version -I -l '<'" },
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["Mandriva"] = { cmd = "urpmq --auto-select" }
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}
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-- {{{ Packages widget type
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function pkg_all.async(format, warg, callback)
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if not warg then return callback{} end
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local pkgmgr = PKGMGR[warg]
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local size, lines = -pkgmgr.sub, ""
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spawn.with_line_callback_with_shell(pkgmgr.cmd, {
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stdout = function (str)
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size = size + 1
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if size > 0 then lines = lines .. str .. "\n" end
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end,
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output_done = function ()
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callback{ size, lines }
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end
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})
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end
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-- }}}
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-- {{{ Packages widget type
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local function worker(format, warg)
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local ret = nil
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pkg_all.async(format, warg, function(data) ret = data end)
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while ret==nil do end
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return ret
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end
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-- }}}
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return setmetatable(pkg_all, { __call = function(_, ...) return worker(...) end })
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