[WIP] Push all of the ultrahaptics changes!

[dotfiles.git] / awesome / utils.lua

diff --git a/awesome/utils.lua b/awesome/utils.lua
index 0c56131b0b47a90c681fd134530e251888d4440c..de240dedc9d471a7951382733a14d816bcdb3f8d 100644 (file)
--- a/awesome/utils.lua
+++ b/awesome/utils.lua
@@ -9,6 +9,10 @@ utils.globalkeys = { }
 local host = io.popen("hostname")
 utils.host = host:read("*l")
 
+function utils.is_dir(path)
+    return os.execute(('[ -d "%s" ]'):format(path))
+end
+
 function utils.run_or_kill(prg, cprop, screen)
     if not prg then
         do return nil end
@@ -67,7 +71,7 @@ function utils.get_default_sink()
     local f = io.popen('ponymix defaults --short')
     line = f:read('*l')
     f:close()
-    return string.match(line, "^sink%s*%d*%s*(.-)%s")
+    return string.match(line, "^sink%s*%d*%s*(.-)%s") or ""
 end
 
 function utils.joinTables(t1, t2)
@@ -82,4 +86,8 @@ function utils.globalkeys.append(keys)
     globalkeys = awful.util.table.join(globalkeys, keys)
 end
 
+function utils.has_battery()
+    return utils.is_dir("/sys/class/power_supply/BAT0")
+end
+
 return utils