add goos.mkdir_all

Author: vadv

goos/README.md

@@ -21,5 +21,9 @@ print(hostname)
 -- get_pagesize
 local page_size = goos.get_pagesize()
 if not(page_size > 0) then error("bad pagesize") end
-```
 
+-- mkdir_all
+goos.mkdir_all("./test/test_dir/test_dir/all")
+local stat, err = goos.stat("./test/test_dir/test_dir/all")
+if err then error(err) end
+```

goos/api.go

@@ -42,3 +42,13 @@ func Getpagesize(L *lua.LState) int {
 	L.Push(lua.LNumber(os.Getpagesize()))
 	return 1
 }
+
+// MkdirAll lua goos.mkdir_all() return err
+func MkdirAll(L *lua.LState) int {
+	err := os.MkdirAll(L.CheckString(1), 0755)
+	if err != nil {
+		L.Push(lua.LString(err.Error()))
+		return 1
+	}
+	return 0
+}

goos/example_test.go

@@ -63,3 +63,22 @@ print(page_size > 0)
 	// Output:
 	// true
 }
+
+// goos.mkdir_all()
+func ExampleMkdirAll() {
+	state := lua.NewState()
+	Preload(state)
+	inspect.Preload(state)
+	source := `
+local goos = require("goos")
+local err = goos.mkdir_all("./test/test_dir_example/test_dir")
+if err then error(err) end
+local _, err = goos.stat("./test/test_dir_example/test_dir")
+print(err == nil)
+	`
+	if err := state.DoString(source); err != nil {
+		log.Fatal(err.Error())
+	}
+	// Output:
+	// true
+}

goos/loader.go

@@ -24,4 +24,5 @@ var api = map[string]lua.LGFunction{
 	"stat":         Stat,
 	"hostname":     Hostname,
 	"get_pagesize": Getpagesize,
+	"mkdir_all":    MkdirAll,
 }