libs/sys: Added luci.sys.mounts

diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index c8d7a54770c5363e482483e9fb64fc30e2b96639..779e2025fea66059b43e8966829911bc578d525c 100644 (file)
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -45,6 +45,36 @@ function flash(image, kpattern)
        return os.execute(cmd)
 end
 
+--- Retrieve information about currently mounted file systems.
+-- @return     Table containing mount information
+function mounts()
+       local data = {}
+       local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
+       local ps = luci.util.execi("df")
+       
+       if not ps then
+               return
+       else
+               ps()
+       end
+       
+       for line in ps do
+               local row = {}
+               
+               local j = 1
+               for value in line:gmatch("[^%s]+") do
+                       row[k[j]] = value
+                       j = j + 1
+               end
+               
+               if row[k[1]] then
+                       table.insert(data, row)
+               end
+       end
+       
+       return data
+end
+
 --- Retrieve environment variables. If no variable is given then a table
 -- containing the whole environment is returned otherwise this function returns
 -- the corresponding string value for the given name or nil if no such variable