cloudwu · October 26, 2015 12:05 · Oct 26, 2015
diff --git a/mymod.user.lua b/mymod.user.lua
@@ -0,0 +1,7 @@
+local M = {}
+
+function M.test(...)
+	print(...)
+end
+
+return M
diff --git a/requirenv.lua b/requirenv.lua
@@ -0,0 +1,28 @@
+local package = package
+local debug = debug
+
+local function load_env(filename)
+	local f,err = loadfile(filename)
+	if f == nil then
+		return err
+	end
+	return function()
+		return function(env)
+			if env then
+				debug.setupvalue(f, 1, env)
+			end
+			return f(filename)
+		end
+	end
+end
+
+local function searcher_env(name)
+	local filename, err = package.searchpath(name, package.upath)
+	if filename == nil then
+		return err
+	else
+		return load_env(filename)
+	end
+end
+
+table.insert(package.searchers, searcher_env)
diff --git a/test.lua b/test.lua
@@ -0,0 +1,15 @@
+require "requirenv"
+
+package.upath = "./?.user.lua"
+
+local myprint = print
+
+local env = {
+	print = function (...)
+		myprint("hook", ...)
+	end
+}
+
+local s = require "mymod"(env)
+
+s.test "hello world"  -- hook hello world
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