Import of vicious source tree.v1.0.0

Vicious is a modular widget library for 'awesome' window manager,
derived from the 'Wicked' widget library.

Summary of changes:
  * Original wicked code modularized
  * Widgets ported from Wicked:
    - CPU, MEM, FS, NET, Date, Uptime, MPD
      * CPU widget rewritten, uses pattern matching
      * MEM widget rewritten, uses pattern matching
        - Swap widget merged with MEM widget type
      * FS widget rewritten, uses pattern matching
        - Also fixed padding in the process
      * NET widget rewritten, uses pattern matching
      * MPD widget rewritten, a bit more versatile
      * Removed deprecated helper functions
  * Widgets written for Vicious:
    - Thermal, Battery, Mbox, OrgMode, Volume, Entropy,
      Disk I/O, System Load, Wireless, Pacman, Maildir

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
+-- }}}