1 files changed, 29 insertions, 0 deletions
diff --git a/lib/gall/util.lua b/lib/gall/util.lua
new file mode 100644
index 0000000..d6c5297
--- /dev/null
+++ b/lib/gall/util.lua
@@ -0,0 +1,29 @@
+-- gall.ll
+--
+-- Git Abstraction Layer for Lua -- Utility functions
+--
+-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
+--
+--
+
+local function deep_copy(t, memo)
+   if not memo then memo = {} end
+   if memo[t] then return memo[t] end
+   local ret = {}
+   local kk, vv
+   for k, v in pairs(t) do
+      kk, vv = k, v
+      if type(k) == "table" then
+	 kk = _deep_copy(k)
+      end
+      if type(v) == "table" then
+	 vv = _deep_copy(v)
+      end
+      ret[kk] = vv
+   end
+   return ret
+end
+
+return {
+   deep_copy = deep_copy,
+}