Update testdata/out

testdata/out/compress-memcopy.go

@@ -3,14 +3,20 @@ package main
 import (
 	"bytes"
 	"compress/gzip"
+	"fmt"
 	"io"
-	"log"
+	"strings"
+	"os"
+	"time"
+	"io/ioutil"
+	"path"
+	"path/filepath"
 )
 
-func bindata_read(data []byte, name string) []byte {
+func bindata_read(data []byte, name string) ([]byte, error) {
 	gz, err := gzip.NewReader(bytes.NewBuffer(data))
 	if err != nil {
-		log.Fatalf("Read %q: %v", name, err)
+		return nil, fmt.Errorf("Read %q: %v", name, err)
 	}
 
 	var buf bytes.Buffer
@@ -18,69 +24,271 @@ func bindata_read(data []byte, name string) []byte {
 	gz.Close()
 
 	if err != nil {
-		log.Fatalf("Read %q: %v", name, err)
+		return nil, fmt.Errorf("Read %q: %v", name, err)
 	}
 
-	return buf.Bytes()
+	return buf.Bytes(), nil
 }
 
-func in_b_test_asset() []byte {
+type asset struct {
-	return bindata_read([]byte{
+	bytes []byte
-		0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x00, 0xff, 0xd2, 0xd7,
+	info  os.FileInfo
-		0x57, 0x28, 0x4e, 0xcc, 0x2d, 0xc8, 0x49, 0x55, 0x48, 0xcb, 0xcc, 0x49,
-		0xe5, 0x02, 0x04, 0x00, 0x00, 0xff, 0xff, 0x8a, 0x82, 0x8c, 0x85, 0x0f,
-		0x00, 0x00, 0x00,
-	},
-		"in/b/test.asset",
-	)
 }
 
-func in_test_asset() []byte {
+type bindata_file_info struct {
-	return bindata_read([]byte{
+	name string
-		0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x00, 0xff, 0xd2, 0xd7,
+	size int64
-		0x57, 0x28, 0x4e, 0xcc, 0x2d, 0xc8, 0x49, 0x55, 0x48, 0xcb, 0xcc, 0x49,
+	mode os.FileMode
-		0xe5, 0x02, 0x04, 0x00, 0x00, 0xff, 0xff, 0x8a, 0x82, 0x8c, 0x85, 0x0f,
+	modTime time.Time
-		0x00, 0x00, 0x00,
-	},
-		"in/test.asset",
-	)
 }
 
-func in_a_test_asset() []byte {
+func (fi bindata_file_info) Name() string {
-	return bindata_read([]byte{
+	return fi.name
-		0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x00, 0xff, 0xd2, 0xd7,
+}
-		0x57, 0x28, 0x4e, 0xcc, 0x2d, 0xc8, 0x49, 0x55, 0x48, 0xcb, 0xcc, 0x49,
+func (fi bindata_file_info) Size() int64 {
-		0xe5, 0x02, 0x04, 0x00, 0x00, 0xff, 0xff, 0x8a, 0x82, 0x8c, 0x85, 0x0f,
+	return fi.size
-		0x00, 0x00, 0x00,
+}
-	},
+func (fi bindata_file_info) Mode() os.FileMode {
+	return fi.mode
+}
+func (fi bindata_file_info) ModTime() time.Time {
+	return fi.modTime
+}
+func (fi bindata_file_info) IsDir() bool {
+	return false
+}
+func (fi bindata_file_info) Sys() interface{} {
+	return nil
+}
+
+var _in_a_test_asset = []byte("\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00")
+
+func in_a_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_a_test_asset,
 		"in/a/test.asset",
 	)
 }
 
-func in_c_test_asset() []byte {
+func in_a_test_asset() (*asset, error) {
-	return bindata_read([]byte{
+	bytes, err := in_a_test_asset_bytes()
-		0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x00, 0xff, 0xd2, 0xd7,
+	if err != nil {
-		0x57, 0x28, 0x4e, 0xcc, 0x2d, 0xc8, 0x49, 0x55, 0x48, 0xcb, 0xcc, 0x49,
+		return nil, err
-		0xe5, 0x02, 0x04, 0x00, 0x00, 0xff, 0xff, 0x8a, 0x82, 0x8c, 0x85, 0x0f,
+	}
-		0x00, 0x00, 0x00,
+
-	},
+	info := bindata_file_info{name: "in/a/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_b_test_asset = []byte("\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00")
+
+func in_b_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_b_test_asset,
+		"in/b/test.asset",
+	)
+}
+
+func in_b_test_asset() (*asset, error) {
+	bytes, err := in_b_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/b/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_c_test_asset = []byte("\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00")
+
+func in_c_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_c_test_asset,
 		"in/c/test.asset",
 	)
 }
 
+func in_c_test_asset() (*asset, error) {
+	bytes, err := in_c_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/c/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_test_asset = []byte("\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00")
+
+func in_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_test_asset,
+		"in/test.asset",
+	)
+}
+
+func in_test_asset() (*asset, error) {
+	bytes, err := in_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
 // Asset loads and returns the asset for the given name.
-// This returns nil of the asset could not be found.
+// It returns an error if the asset could not be found or
-func Asset(name string) []byte {
+// could not be loaded.
-	if f, ok := _bindata[name]; ok {
+func Asset(name string) ([]byte, error) {
-		return f()
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)
+		}
+		return a.bytes, nil
+	}
+	return nil, fmt.Errorf("Asset %s not found", name)
+}
+
+// AssetInfo loads and returns the asset info for the given name.
+// It returns an error if the asset could not be found or
+// could not be loaded.
+func AssetInfo(name string) (os.FileInfo, error) {
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)
+		}
+		return a.info, nil
+	}
+	return nil, fmt.Errorf("AssetInfo %s not found", name)
+}
+
+// AssetNames returns the names of the assets.
+func AssetNames() []string {
+	names := make([]string, 0, len(_bindata))
+	for name := range _bindata {
+		names = append(names, name)
+	}
+	return names
+}
+
+// _bindata is a table, holding each asset generator, mapped to its name.
+var _bindata = map[string]func() (*asset, error){
+	"in/a/test.asset": in_a_test_asset,
+	"in/b/test.asset": in_b_test_asset,
+	"in/c/test.asset": in_c_test_asset,
+	"in/test.asset": in_test_asset,
+}
+
+// AssetDir returns the file names below a certain
+// directory embedded in the file by go-bindata.
+// For example if you run go-bindata on data/... and data contains the
+// following hierarchy:
+//     data/
+//       foo.txt
+//       img/
+//         a.png
+//         b.png
+// then AssetDir("data") would return []string{"foo.txt", "img"}
+// AssetDir("data/img") would return []string{"a.png", "b.png"}
+// AssetDir("foo.txt") and AssetDir("notexist") would return an error
+// AssetDir("") will return []string{"data"}.
+func AssetDir(name string) ([]string, error) {
+	node := _bintree
+	if len(name) != 0 {
+		cannonicalName := strings.Replace(name, "\\", "/", -1)
+		pathList := strings.Split(cannonicalName, "/")
+		for _, p := range pathList {
+			node = node.Children[p]
+			if node == nil {
+				return nil, fmt.Errorf("Asset %s not found", name)
+			}
+		}
+	}
+	if node.Func != nil {
+		return nil, fmt.Errorf("Asset %s not found", name)
+	}
+	rv := make([]string, 0, len(node.Children))
+	for name := range node.Children {
+		rv = append(rv, name)
+	}
+	return rv, nil
+}
+
+type _bintree_t struct {
+	Func func() (*asset, error)
+	Children map[string]*_bintree_t
+}
+var _bintree = &_bintree_t{nil, map[string]*_bintree_t{
+	"in": &_bintree_t{nil, map[string]*_bintree_t{
+		"a": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_a_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"b": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_b_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"c": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_c_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"test.asset": &_bintree_t{in_test_asset, map[string]*_bintree_t{
+		}},
+	}},
+}}
+
+// Restore an asset under the given directory
+func RestoreAsset(dir, name string) error {
+        data, err := Asset(name)
+        if err != nil {
+                return err
+        }
+        info, err := AssetInfo(name)
+        if err != nil {
+                return err
+        }
+        err = os.MkdirAll(_filePath(dir, path.Dir(name)), os.FileMode(0755))
+        if err != nil {
+                return err
+        }
+        err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())
+        if err != nil {
+                return err
+        }
+        err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())
+        if err != nil {
+                return err
         }
         return nil
 }
 
-// _bindata is a table, holding each asset generator, mapped to its name.
+// Restore assets under the given directory recursively
-var _bindata = map[string]func() []byte{
+func RestoreAssets(dir, name string) error {
-	"in/b/test.asset": in_b_test_asset,
+        children, err := AssetDir(name)
-	"in/test.asset":   in_test_asset,
+        if err != nil { // File
-	"in/a/test.asset": in_a_test_asset,
+                return RestoreAsset(dir, name)
-	"in/c/test.asset": in_c_test_asset,
+        } else { // Dir
+                for _, child := range children {
+                        err = RestoreAssets(dir, path.Join(name, child))
+                        if err != nil {
+                                return err
+                        }
+                }
+        }
+        return nil
 }
+
+func _filePath(dir, name string) string {
+        cannonicalName := strings.Replace(name, "\\", "/", -1)
+        return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
+}
+

testdata/out/compress-nomemcopy.go

@@ -3,13 +3,19 @@ package main
 import (
 	"bytes"
 	"compress/gzip"
+	"fmt"
 	"io"
-	"log"
 	"reflect"
+	"strings"
 	"unsafe"
+	"os"
+	"time"
+	"io/ioutil"
+	"path"
+	"path/filepath"
 )
 
-func bindata_read(data, name string) []byte {
+func bindata_read(data, name string) ([]byte, error) {
 	var empty [0]byte
 	sx := (*reflect.StringHeader)(unsafe.Pointer(&data))
 	b := empty[:]
@@ -20,7 +26,7 @@ func bindata_read(data, name string) []byte {
 
 	gz, err := gzip.NewReader(bytes.NewBuffer(b))
 	if err != nil {
-		log.Fatalf("Read %q: %v", name, err)
+		return nil, fmt.Errorf("Read %q: %v", name, err)
 	}
 
 	var buf bytes.Buffer
@@ -28,61 +34,271 @@ func bindata_read(data, name string) []byte {
 	gz.Close()
 
 	if err != nil {
-		log.Fatalf("Read %q: %v", name, err)
+		return nil, fmt.Errorf("Read %q: %v", name, err)
 	}
 
-	return buf.Bytes()
+	return buf.Bytes(), nil
 }
 
-var _in_b_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
+type asset struct {
-
+	bytes []byte
-func in_b_test_asset() []byte {
+	info  os.FileInfo
-	return bindata_read(
-		_in_b_test_asset,
-		"in/b/test.asset",
-	)
 }
 
-var _in_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
+type bindata_file_info struct {
+	name string
+	size int64
+	mode os.FileMode
+	modTime time.Time
+}
 
-func in_test_asset() []byte {
+func (fi bindata_file_info) Name() string {
-	return bindata_read(
+	return fi.name
-		_in_test_asset,
+}
-		"in/test.asset",
+func (fi bindata_file_info) Size() int64 {
-	)
+	return fi.size
+}
+func (fi bindata_file_info) Mode() os.FileMode {
+	return fi.mode
+}
+func (fi bindata_file_info) ModTime() time.Time {
+	return fi.modTime
+}
+func (fi bindata_file_info) IsDir() bool {
+	return false
+}
+func (fi bindata_file_info) Sys() interface{} {
+	return nil
 }
 
 var _in_a_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
 
-func in_a_test_asset() []byte {
+func in_a_test_asset_bytes() ([]byte, error) {
 	return bindata_read(
 		_in_a_test_asset,
 		"in/a/test.asset",
 	)
 }
 
+func in_a_test_asset() (*asset, error) {
+	bytes, err := in_a_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/a/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_b_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
+
+func in_b_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_b_test_asset,
+		"in/b/test.asset",
+	)
+}
+
+func in_b_test_asset() (*asset, error) {
+	bytes, err := in_b_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/b/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
 var _in_c_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
 
-func in_c_test_asset() []byte {
+func in_c_test_asset_bytes() ([]byte, error) {
 	return bindata_read(
 		_in_c_test_asset,
 		"in/c/test.asset",
 	)
 }
 
+func in_c_test_asset() (*asset, error) {
+	bytes, err := in_c_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/c/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_test_asset = "\x1f\x8b\x08\x00\x00\x09\x6e\x88\x00\xff\xd2\xd7\x57\x28\x4e\xcc\x2d\xc8\x49\x55\x48\xcb\xcc\x49\xe5\x02\x04\x00\x00\xff\xff\x8a\x82\x8c\x85\x0f\x00\x00\x00"
+
+func in_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_test_asset,
+		"in/test.asset",
+	)
+}
+
+func in_test_asset() (*asset, error) {
+	bytes, err := in_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
 // Asset loads and returns the asset for the given name.
-// This returns nil of the asset could not be found.
+// It returns an error if the asset could not be found or
-func Asset(name string) []byte {
+// could not be loaded.
-	if f, ok := _bindata[name]; ok {
+func Asset(name string) ([]byte, error) {
-		return f()
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)
+		}
+		return a.bytes, nil
+	}
+	return nil, fmt.Errorf("Asset %s not found", name)
+}
+
+// AssetInfo loads and returns the asset info for the given name.
+// It returns an error if the asset could not be found or
+// could not be loaded.
+func AssetInfo(name string) (os.FileInfo, error) {
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)
+		}
+		return a.info, nil
+	}
+	return nil, fmt.Errorf("AssetInfo %s not found", name)
+}
+
+// AssetNames returns the names of the assets.
+func AssetNames() []string {
+	names := make([]string, 0, len(_bindata))
+	for name := range _bindata {
+		names = append(names, name)
+	}
+	return names
+}
+
+// _bindata is a table, holding each asset generator, mapped to its name.
+var _bindata = map[string]func() (*asset, error){
+	"in/a/test.asset": in_a_test_asset,
+	"in/b/test.asset": in_b_test_asset,
+	"in/c/test.asset": in_c_test_asset,
+	"in/test.asset": in_test_asset,
+}
+
+// AssetDir returns the file names below a certain
+// directory embedded in the file by go-bindata.
+// For example if you run go-bindata on data/... and data contains the
+// following hierarchy:
+//     data/
+//       foo.txt
+//       img/
+//         a.png
+//         b.png
+// then AssetDir("data") would return []string{"foo.txt", "img"}
+// AssetDir("data/img") would return []string{"a.png", "b.png"}
+// AssetDir("foo.txt") and AssetDir("notexist") would return an error
+// AssetDir("") will return []string{"data"}.
+func AssetDir(name string) ([]string, error) {
+	node := _bintree
+	if len(name) != 0 {
+		cannonicalName := strings.Replace(name, "\\", "/", -1)
+		pathList := strings.Split(cannonicalName, "/")
+		for _, p := range pathList {
+			node = node.Children[p]
+			if node == nil {
+				return nil, fmt.Errorf("Asset %s not found", name)
+			}
+		}
+	}
+	if node.Func != nil {
+		return nil, fmt.Errorf("Asset %s not found", name)
+	}
+	rv := make([]string, 0, len(node.Children))
+	for name := range node.Children {
+		rv = append(rv, name)
+	}
+	return rv, nil
+}
+
+type _bintree_t struct {
+	Func func() (*asset, error)
+	Children map[string]*_bintree_t
+}
+var _bintree = &_bintree_t{nil, map[string]*_bintree_t{
+	"in": &_bintree_t{nil, map[string]*_bintree_t{
+		"a": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_a_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"b": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_b_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"c": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_c_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"test.asset": &_bintree_t{in_test_asset, map[string]*_bintree_t{
+		}},
+	}},
+}}
+
+// Restore an asset under the given directory
+func RestoreAsset(dir, name string) error {
+        data, err := Asset(name)
+        if err != nil {
+                return err
+        }
+        info, err := AssetInfo(name)
+        if err != nil {
+                return err
+        }
+        err = os.MkdirAll(_filePath(dir, path.Dir(name)), os.FileMode(0755))
+        if err != nil {
+                return err
+        }
+        err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())
+        if err != nil {
+                return err
+        }
+        err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())
+        if err != nil {
+                return err
         }
         return nil
 }
 
-// _bindata is a table, holding each asset generator, mapped to its name.
+// Restore assets under the given directory recursively
-var _bindata = map[string]func() []byte{
+func RestoreAssets(dir, name string) error {
-	"in/b/test.asset": in_b_test_asset,
+        children, err := AssetDir(name)
-	"in/test.asset":   in_test_asset,
+        if err != nil { // File
-	"in/a/test.asset": in_a_test_asset,
+                return RestoreAsset(dir, name)
-	"in/c/test.asset": in_c_test_asset,
+        } else { // Dir
+                for _, child := range children {
+                        err = RestoreAssets(dir, path.Join(name, child))
+                        if err != nil {
+                                return err
+                        }
+                }
+        }
+        return nil
 }
+
+func _filePath(dir, name string) string {
+        cannonicalName := strings.Replace(name, "\\", "/", -1)
+        return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
+}
+

testdata/out/debug.go

@@ -1,80 +1,248 @@
 package main
 
 import (
-	"bytes"
+	"fmt"
-	"io"
+	"io/ioutil"
-	"log"
+	"strings"
 	"os"
+	"path"
+	"path/filepath"
 )
 
-// bindata_read reads the given file from disk.
+// bindata_read reads the given file from disk. It returns an error on failure.
-// It panics if anything went wrong.
+func bindata_read(path, name string) ([]byte, error) {
-func bindata_read(path, name string) []byte {
+	buf, err := ioutil.ReadFile(path)
-	fd, err := os.Open(path)
 	if err != nil {
-		log.Fatalf("Read %s: %v", name, err)
+		err = fmt.Errorf("Error reading asset %s at %s: %v", name, path, err)
+	}
+	return buf, err
+}
+
+type asset struct {
+	bytes []byte
+	info  os.FileInfo
+}
+
+// in_a_test_asset reads file data from disk. It returns an error on failure.
+func in_a_test_asset() (*asset, error) {
+	path := "/Users/iwanaga.ryosuke/golang/src/github.com/riywo/go-bindata/testdata/in/a/test.asset"
+	name := "in/a/test.asset"
+	bytes, err := bindata_read(path, name)
+	if err != nil {
+		return nil, err
 	}
 
-	defer fd.Close()
+	fi, err := os.Stat(path)
-
-	var buf bytes.Buffer
-	_, err = io.Copy(&buf, fd)
 	if err != nil {
-		log.Fatalf("Read %s: %v", name, err)
+		err = fmt.Errorf("Error reading asset info %s at %s: %v", name, path, err)
 	}
 
-	return buf.Bytes()
+	a := &asset{bytes: bytes, info: fi}
+	return a, err
 }
 
-// in_b_test_asset reads file data from disk.
+// in_b_test_asset reads file data from disk. It returns an error on failure.
-// It panics if something went wrong in the process.
+func in_b_test_asset() (*asset, error) {
-func in_b_test_asset() []byte {
+	path := "/Users/iwanaga.ryosuke/golang/src/github.com/riywo/go-bindata/testdata/in/b/test.asset"
-	return bindata_read(
+	name := "in/b/test.asset"
-		"/a/code/go/src/github.com/jteeuwen/go-bindata/testdata/in/b/test.asset",
+	bytes, err := bindata_read(path, name)
-		"in/b/test.asset",
+	if err != nil {
-	)
+		return nil, err
+	}
+
+	fi, err := os.Stat(path)
+	if err != nil {
+		err = fmt.Errorf("Error reading asset info %s at %s: %v", name, path, err)
+	}
+
+	a := &asset{bytes: bytes, info: fi}
+	return a, err
 }
 
-// in_test_asset reads file data from disk.
+// in_c_test_asset reads file data from disk. It returns an error on failure.
-// It panics if something went wrong in the process.
+func in_c_test_asset() (*asset, error) {
-func in_test_asset() []byte {
+	path := "/Users/iwanaga.ryosuke/golang/src/github.com/riywo/go-bindata/testdata/in/c/test.asset"
-	return bindata_read(
+	name := "in/c/test.asset"
-		"/a/code/go/src/github.com/jteeuwen/go-bindata/testdata/in/test.asset",
+	bytes, err := bindata_read(path, name)
-		"in/test.asset",
+	if err != nil {
-	)
+		return nil, err
+	}
+
+	fi, err := os.Stat(path)
+	if err != nil {
+		err = fmt.Errorf("Error reading asset info %s at %s: %v", name, path, err)
+	}
+
+	a := &asset{bytes: bytes, info: fi}
+	return a, err
 }
 
-// in_a_test_asset reads file data from disk.
+// in_test_asset reads file data from disk. It returns an error on failure.
-// It panics if something went wrong in the process.
+func in_test_asset() (*asset, error) {
-func in_a_test_asset() []byte {
+	path := "/Users/iwanaga.ryosuke/golang/src/github.com/riywo/go-bindata/testdata/in/test.asset"
-	return bindata_read(
+	name := "in/test.asset"
-		"/a/code/go/src/github.com/jteeuwen/go-bindata/testdata/in/a/test.asset",
+	bytes, err := bindata_read(path, name)
-		"in/a/test.asset",
+	if err != nil {
-	)
+		return nil, err
-}
+	}
 
-// in_c_test_asset reads file data from disk.
+	fi, err := os.Stat(path)
-// It panics if something went wrong in the process.
+	if err != nil {
-func in_c_test_asset() []byte {
+		err = fmt.Errorf("Error reading asset info %s at %s: %v", name, path, err)
-	return bindata_read(
+	}
-		"/a/code/go/src/github.com/jteeuwen/go-bindata/testdata/in/c/test.asset",
+
-		"in/c/test.asset",
+	a := &asset{bytes: bytes, info: fi}
-	)
+	return a, err
 }
 
 // Asset loads and returns the asset for the given name.
-// This returns nil of the asset could not be found.
+// It returns an error if the asset could not be found or
-func Asset(name string) []byte {
+// could not be loaded.
-	if f, ok := _bindata[name]; ok {
+func Asset(name string) ([]byte, error) {
-		return f()
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)
+		}
+		return a.bytes, nil
+	}
+	return nil, fmt.Errorf("Asset %s not found", name)
+}
+
+// AssetInfo loads and returns the asset info for the given name.
+// It returns an error if the asset could not be found or
+// could not be loaded.
+func AssetInfo(name string) (os.FileInfo, error) {
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)
+		}
+		return a.info, nil
+	}
+	return nil, fmt.Errorf("AssetInfo %s not found", name)
+}
+
+// AssetNames returns the names of the assets.
+func AssetNames() []string {
+	names := make([]string, 0, len(_bindata))
+	for name := range _bindata {
+		names = append(names, name)
+	}
+	return names
+}
+
+// _bindata is a table, holding each asset generator, mapped to its name.
+var _bindata = map[string]func() (*asset, error){
+	"in/a/test.asset": in_a_test_asset,
+	"in/b/test.asset": in_b_test_asset,
+	"in/c/test.asset": in_c_test_asset,
+	"in/test.asset": in_test_asset,
+}
+
+// AssetDir returns the file names below a certain
+// directory embedded in the file by go-bindata.
+// For example if you run go-bindata on data/... and data contains the
+// following hierarchy:
+//     data/
+//       foo.txt
+//       img/
+//         a.png
+//         b.png
+// then AssetDir("data") would return []string{"foo.txt", "img"}
+// AssetDir("data/img") would return []string{"a.png", "b.png"}
+// AssetDir("foo.txt") and AssetDir("notexist") would return an error
+// AssetDir("") will return []string{"data"}.
+func AssetDir(name string) ([]string, error) {
+	node := _bintree
+	if len(name) != 0 {
+		cannonicalName := strings.Replace(name, "\\", "/", -1)
+		pathList := strings.Split(cannonicalName, "/")
+		for _, p := range pathList {
+			node = node.Children[p]
+			if node == nil {
+				return nil, fmt.Errorf("Asset %s not found", name)
+			}
+		}
+	}
+	if node.Func != nil {
+		return nil, fmt.Errorf("Asset %s not found", name)
+	}
+	rv := make([]string, 0, len(node.Children))
+	for name := range node.Children {
+		rv = append(rv, name)
+	}
+	return rv, nil
+}
+
+type _bintree_t struct {
+	Func func() (*asset, error)
+	Children map[string]*_bintree_t
+}
+var _bintree = &_bintree_t{nil, map[string]*_bintree_t{
+	"in": &_bintree_t{nil, map[string]*_bintree_t{
+		"a": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_a_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"b": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_b_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"c": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_c_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"test.asset": &_bintree_t{in_test_asset, map[string]*_bintree_t{
+		}},
+	}},
+}}
+
+// Restore an asset under the given directory
+func RestoreAsset(dir, name string) error {
+        data, err := Asset(name)
+        if err != nil {
+                return err
+        }
+        info, err := AssetInfo(name)
+        if err != nil {
+                return err
+        }
+        err = os.MkdirAll(_filePath(dir, path.Dir(name)), os.FileMode(0755))
+        if err != nil {
+                return err
+        }
+        err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())
+        if err != nil {
+                return err
+        }
+        err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())
+        if err != nil {
+                return err
         }
         return nil
 }
 
-// _bindata is a table, holding each asset generator, mapped to its name.
+// Restore assets under the given directory recursively
-var _bindata = map[string]func() []byte{
+func RestoreAssets(dir, name string) error {
-	"in/b/test.asset": in_b_test_asset,
+        children, err := AssetDir(name)
-	"in/test.asset":   in_test_asset,
+        if err != nil { // File
-	"in/a/test.asset": in_a_test_asset,
+                return RestoreAsset(dir, name)
-	"in/c/test.asset": in_c_test_asset,
+        } else { // Dir
+                for _, child := range children {
+                        err = RestoreAssets(dir, path.Join(name, child))
+                        if err != nil {
+                                return err
+                        }
+                }
+        }
+        return nil
 }
+
+func _filePath(dir, name string) string {
+        cannonicalName := strings.Replace(name, "\\", "/", -1)
+        return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
+}
+

testdata/out/nocompress-memcopy.go

@@ -1,46 +1,265 @@
 package main
 
-func in_b_test_asset() []byte {
+import (
-	return []byte{
+	"fmt"
-		0x2f, 0x2f, 0x20, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x20, 0x66, 0x69,
+	"strings"
-		0x6c, 0x65, 0x0a,
+	"os"
-	}
+	"time"
+	"io/ioutil"
+	"path"
+	"path/filepath"
+)
+type asset struct {
+	bytes []byte
+	info  os.FileInfo
 }
 
-func in_test_asset() []byte {
+type bindata_file_info struct {
-	return []byte{
+	name string
-		0x2f, 0x2f, 0x20, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x20, 0x66, 0x69,
+	size int64
-		0x6c, 0x65, 0x0a,
+	mode os.FileMode
-	}
+	modTime time.Time
 }
 
-func in_a_test_asset() []byte {
+func (fi bindata_file_info) Name() string {
-	return []byte{
+	return fi.name
-		0x2f, 0x2f, 0x20, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x20, 0x66, 0x69,
+}
-		0x6c, 0x65, 0x0a,
+func (fi bindata_file_info) Size() int64 {
-	}
+	return fi.size
+}
+func (fi bindata_file_info) Mode() os.FileMode {
+	return fi.mode
+}
+func (fi bindata_file_info) ModTime() time.Time {
+	return fi.modTime
+}
+func (fi bindata_file_info) IsDir() bool {
+	return false
+}
+func (fi bindata_file_info) Sys() interface{} {
+	return nil
 }
 
-func in_c_test_asset() []byte {
+var _in_a_test_asset = []byte(`// sample file
-	return []byte{
+`)
-		0x2f, 0x2f, 0x20, 0x73, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x20, 0x66, 0x69,
+
-		0x6c, 0x65, 0x0a,
+func in_a_test_asset_bytes() ([]byte, error) {
+	return _in_a_test_asset, nil
+}
+
+func in_a_test_asset() (*asset, error) {
+	bytes, err := in_a_test_asset_bytes()
+	if err != nil {
+		return nil, err
 	}
+
+	info := bindata_file_info{name: "in/a/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_b_test_asset = []byte(`// sample file
+`)
+
+func in_b_test_asset_bytes() ([]byte, error) {
+	return _in_b_test_asset, nil
+}
+
+func in_b_test_asset() (*asset, error) {
+	bytes, err := in_b_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/b/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_c_test_asset = []byte(`// sample file
+`)
+
+func in_c_test_asset_bytes() ([]byte, error) {
+	return _in_c_test_asset, nil
+}
+
+func in_c_test_asset() (*asset, error) {
+	bytes, err := in_c_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/c/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_test_asset = []byte(`// sample file
+`)
+
+func in_test_asset_bytes() ([]byte, error) {
+	return _in_test_asset, nil
+}
+
+func in_test_asset() (*asset, error) {
+	bytes, err := in_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
 }
 
 // Asset loads and returns the asset for the given name.
-// This returns nil of the asset could not be found.
+// It returns an error if the asset could not be found or
-func Asset(name string) []byte {
+// could not be loaded.
-	if f, ok := _bindata[name]; ok {
+func Asset(name string) ([]byte, error) {
-		return f()
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)
+		}
+		return a.bytes, nil
+	}
+	return nil, fmt.Errorf("Asset %s not found", name)
+}
+
+// AssetInfo loads and returns the asset info for the given name.
+// It returns an error if the asset could not be found or
+// could not be loaded.
+func AssetInfo(name string) (os.FileInfo, error) {
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)
+		}
+		return a.info, nil
+	}
+	return nil, fmt.Errorf("AssetInfo %s not found", name)
+}
+
+// AssetNames returns the names of the assets.
+func AssetNames() []string {
+	names := make([]string, 0, len(_bindata))
+	for name := range _bindata {
+		names = append(names, name)
+	}
+	return names
+}
+
+// _bindata is a table, holding each asset generator, mapped to its name.
+var _bindata = map[string]func() (*asset, error){
+	"in/a/test.asset": in_a_test_asset,
+	"in/b/test.asset": in_b_test_asset,
+	"in/c/test.asset": in_c_test_asset,
+	"in/test.asset": in_test_asset,
+}
+
+// AssetDir returns the file names below a certain
+// directory embedded in the file by go-bindata.
+// For example if you run go-bindata on data/... and data contains the
+// following hierarchy:
+//     data/
+//       foo.txt
+//       img/
+//         a.png
+//         b.png
+// then AssetDir("data") would return []string{"foo.txt", "img"}
+// AssetDir("data/img") would return []string{"a.png", "b.png"}
+// AssetDir("foo.txt") and AssetDir("notexist") would return an error
+// AssetDir("") will return []string{"data"}.
+func AssetDir(name string) ([]string, error) {
+	node := _bintree
+	if len(name) != 0 {
+		cannonicalName := strings.Replace(name, "\\", "/", -1)
+		pathList := strings.Split(cannonicalName, "/")
+		for _, p := range pathList {
+			node = node.Children[p]
+			if node == nil {
+				return nil, fmt.Errorf("Asset %s not found", name)
+			}
+		}
+	}
+	if node.Func != nil {
+		return nil, fmt.Errorf("Asset %s not found", name)
+	}
+	rv := make([]string, 0, len(node.Children))
+	for name := range node.Children {
+		rv = append(rv, name)
+	}
+	return rv, nil
+}
+
+type _bintree_t struct {
+	Func func() (*asset, error)
+	Children map[string]*_bintree_t
+}
+var _bintree = &_bintree_t{nil, map[string]*_bintree_t{
+	"in": &_bintree_t{nil, map[string]*_bintree_t{
+		"a": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_a_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"b": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_b_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"c": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_c_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"test.asset": &_bintree_t{in_test_asset, map[string]*_bintree_t{
+		}},
+	}},
+}}
+
+// Restore an asset under the given directory
+func RestoreAsset(dir, name string) error {
+        data, err := Asset(name)
+        if err != nil {
+                return err
+        }
+        info, err := AssetInfo(name)
+        if err != nil {
+                return err
+        }
+        err = os.MkdirAll(_filePath(dir, path.Dir(name)), os.FileMode(0755))
+        if err != nil {
+                return err
+        }
+        err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())
+        if err != nil {
+                return err
+        }
+        err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())
+        if err != nil {
+                return err
         }
         return nil
 }
 
-// _bindata is a table, holding each asset generator, mapped to its name.
+// Restore assets under the given directory recursively
-var _bindata = map[string]func() []byte{
+func RestoreAssets(dir, name string) error {
-	"in/b/test.asset": in_b_test_asset,
+        children, err := AssetDir(name)
-	"in/test.asset":   in_test_asset,
+        if err != nil { // File
-	"in/a/test.asset": in_a_test_asset,
+                return RestoreAsset(dir, name)
-	"in/c/test.asset": in_c_test_asset,
+        } else { // Dir
+                for _, child := range children {
+                        err = RestoreAssets(dir, path.Join(name, child))
+                        if err != nil {
+                                return err
+                        }
+                }
+        }
+        return nil
 }
+
+func _filePath(dir, name string) string {
+        cannonicalName := strings.Replace(name, "\\", "/", -1)
+        return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
+}
+

testdata/out/nocompress-nomemcopy.go

@@ -1,11 +1,18 @@
 package main
 
 import (
+	"fmt"
 	"reflect"
+	"strings"
 	"unsafe"
+	"os"
+	"time"
+	"io/ioutil"
+	"path"
+	"path/filepath"
 )
 
-func bindata_read(data, name string) []byte {
+func bindata_read(data, name string) ([]byte, error) {
 	var empty [0]byte
 	sx := (*reflect.StringHeader)(unsafe.Pointer(&data))
 	b := empty[:]
@@ -13,58 +20,268 @@ func bindata_read(data, name string) []byte {
 	bx.Data = sx.Data
 	bx.Len = len(data)
 	bx.Cap = bx.Len
-	return b
+	return b, nil
 }
 
-var _in_b_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
+type asset struct {
-
+	bytes []byte
-func in_b_test_asset() []byte {
+	info  os.FileInfo
-	return bindata_read(
-		_in_b_test_asset,
-		"in/b/test.asset",
-	)
 }
 
-var _in_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
+type bindata_file_info struct {
+	name string
+	size int64
+	mode os.FileMode
+	modTime time.Time
+}
 
-func in_test_asset() []byte {
+func (fi bindata_file_info) Name() string {
-	return bindata_read(
+	return fi.name
-		_in_test_asset,
+}
-		"in/test.asset",
+func (fi bindata_file_info) Size() int64 {
-	)
+	return fi.size
+}
+func (fi bindata_file_info) Mode() os.FileMode {
+	return fi.mode
+}
+func (fi bindata_file_info) ModTime() time.Time {
+	return fi.modTime
+}
+func (fi bindata_file_info) IsDir() bool {
+	return false
+}
+func (fi bindata_file_info) Sys() interface{} {
+	return nil
 }
 
 var _in_a_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
 
-func in_a_test_asset() []byte {
+func in_a_test_asset_bytes() ([]byte, error) {
 	return bindata_read(
 		_in_a_test_asset,
 		"in/a/test.asset",
 	)
 }
 
+func in_a_test_asset() (*asset, error) {
+	bytes, err := in_a_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/a/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_b_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
+
+func in_b_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_b_test_asset,
+		"in/b/test.asset",
+	)
+}
+
+func in_b_test_asset() (*asset, error) {
+	bytes, err := in_b_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/b/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
 var _in_c_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
 
-func in_c_test_asset() []byte {
+func in_c_test_asset_bytes() ([]byte, error) {
 	return bindata_read(
 		_in_c_test_asset,
 		"in/c/test.asset",
 	)
 }
 
+func in_c_test_asset() (*asset, error) {
+	bytes, err := in_c_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/c/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
+var _in_test_asset = "\x2f\x2f\x20\x73\x61\x6d\x70\x6c\x65\x20\x66\x69\x6c\x65\x0a"
+
+func in_test_asset_bytes() ([]byte, error) {
+	return bindata_read(
+		_in_test_asset,
+		"in/test.asset",
+	)
+}
+
+func in_test_asset() (*asset, error) {
+	bytes, err := in_test_asset_bytes()
+	if err != nil {
+		return nil, err
+	}
+
+	info := bindata_file_info{name: "in/test.asset", size: 15, mode: os.FileMode(420), modTime: time.Unix(1418006091, 0)}
+	a := &asset{bytes: bytes, info:  info}
+	return a, nil
+}
+
 // Asset loads and returns the asset for the given name.
-// This returns nil of the asset could not be found.
+// It returns an error if the asset could not be found or
-func Asset(name string) []byte {
+// could not be loaded.
-	if f, ok := _bindata[name]; ok {
+func Asset(name string) ([]byte, error) {
-		return f()
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err)
+		}
+		return a.bytes, nil
+	}
+	return nil, fmt.Errorf("Asset %s not found", name)
+}
+
+// AssetInfo loads and returns the asset info for the given name.
+// It returns an error if the asset could not be found or
+// could not be loaded.
+func AssetInfo(name string) (os.FileInfo, error) {
+	cannonicalName := strings.Replace(name, "\\", "/", -1)
+	if f, ok := _bindata[cannonicalName]; ok {
+		a, err := f()
+		if err != nil {
+			return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err)
+		}
+		return a.info, nil
+	}
+	return nil, fmt.Errorf("AssetInfo %s not found", name)
+}
+
+// AssetNames returns the names of the assets.
+func AssetNames() []string {
+	names := make([]string, 0, len(_bindata))
+	for name := range _bindata {
+		names = append(names, name)
+	}
+	return names
+}
+
+// _bindata is a table, holding each asset generator, mapped to its name.
+var _bindata = map[string]func() (*asset, error){
+	"in/a/test.asset": in_a_test_asset,
+	"in/b/test.asset": in_b_test_asset,
+	"in/c/test.asset": in_c_test_asset,
+	"in/test.asset": in_test_asset,
+}
+
+// AssetDir returns the file names below a certain
+// directory embedded in the file by go-bindata.
+// For example if you run go-bindata on data/... and data contains the
+// following hierarchy:
+//     data/
+//       foo.txt
+//       img/
+//         a.png
+//         b.png
+// then AssetDir("data") would return []string{"foo.txt", "img"}
+// AssetDir("data/img") would return []string{"a.png", "b.png"}
+// AssetDir("foo.txt") and AssetDir("notexist") would return an error
+// AssetDir("") will return []string{"data"}.
+func AssetDir(name string) ([]string, error) {
+	node := _bintree
+	if len(name) != 0 {
+		cannonicalName := strings.Replace(name, "\\", "/", -1)
+		pathList := strings.Split(cannonicalName, "/")
+		for _, p := range pathList {
+			node = node.Children[p]
+			if node == nil {
+				return nil, fmt.Errorf("Asset %s not found", name)
+			}
+		}
+	}
+	if node.Func != nil {
+		return nil, fmt.Errorf("Asset %s not found", name)
+	}
+	rv := make([]string, 0, len(node.Children))
+	for name := range node.Children {
+		rv = append(rv, name)
+	}
+	return rv, nil
+}
+
+type _bintree_t struct {
+	Func func() (*asset, error)
+	Children map[string]*_bintree_t
+}
+var _bintree = &_bintree_t{nil, map[string]*_bintree_t{
+	"in": &_bintree_t{nil, map[string]*_bintree_t{
+		"a": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_a_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"b": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_b_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"c": &_bintree_t{nil, map[string]*_bintree_t{
+			"test.asset": &_bintree_t{in_c_test_asset, map[string]*_bintree_t{
+			}},
+		}},
+		"test.asset": &_bintree_t{in_test_asset, map[string]*_bintree_t{
+		}},
+	}},
+}}
+
+// Restore an asset under the given directory
+func RestoreAsset(dir, name string) error {
+        data, err := Asset(name)
+        if err != nil {
+                return err
+        }
+        info, err := AssetInfo(name)
+        if err != nil {
+                return err
+        }
+        err = os.MkdirAll(_filePath(dir, path.Dir(name)), os.FileMode(0755))
+        if err != nil {
+                return err
+        }
+        err = ioutil.WriteFile(_filePath(dir, name), data, info.Mode())
+        if err != nil {
+                return err
+        }
+        err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime())
+        if err != nil {
+                return err
         }
         return nil
 }
 
-// _bindata is a table, holding each asset generator, mapped to its name.
+// Restore assets under the given directory recursively
-var _bindata = map[string]func() []byte{
+func RestoreAssets(dir, name string) error {
-	"in/b/test.asset": in_b_test_asset,
+        children, err := AssetDir(name)
-	"in/test.asset":   in_test_asset,
+        if err != nil { // File
-	"in/a/test.asset": in_a_test_asset,
+                return RestoreAsset(dir, name)
-	"in/c/test.asset": in_c_test_asset,
+        } else { // Dir
+                for _, child := range children {
+                        err = RestoreAssets(dir, path.Join(name, child))
+                        if err != nil {
+                                return err
+                        }
+                }
+        }
+        return nil
 }
+
+func _filePath(dir, name string) string {
+        cannonicalName := strings.Replace(name, "\\", "/", -1)
+        return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...)
+}
+