lib/gall/util.lua


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-- gall.util
--
-- 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 = {}
   memo[t] = ret
   local kk, vv
   for k, v in pairs(t) do
      kk, vv = k, v
      if type(k) == "table" then
	 kk = deep_copy(k, memo)
      end
      if type(v) == "table" then
	 vv = deep_copy(v, memo)
      end
      ret[kk] = vv
   end
   return ret
end

return {
   deep_copy = deep_copy,
}