widgets: reuse existing datasets where appropriate

Gmail, mbox, raid, weather and wifi could return the old value in case
there isn't new data, no need for N/A to be so common on our wibox.

1 files changed, 3 insertions, 3 deletions

diff --git a/widgets/mbox.lua b/widgets/mbox.lua
index 475d018..be64e03 100644
--- a/widgets/mbox.lua
+++ b/widgets/mbox.lua
@@ -16,13 +16,13 @@ local helpers = require("vicious.helpers")
 module("vicious.widgets.mbox")
 
 
+-- Initialize variables
+local subject = "N/A"
+
 -- {{{ Mailbox widget type
 local function worker(format, warg)
     if not warg then return end
 
-    -- Default value
-    local subject = "N/A"
-
     -- mbox could be huge, get a 30kb chunk from EOF
     if type(warg) ~= "table" then mbox = warg end
     -- * attachment could be much bigger than 30kb