Add AssetInfo() into debug mode using type asset

debug.go

@@ -33,6 +33,7 @@ func writeDebugHeader(w io.Writer) error {
 	"fmt"
 	"io/ioutil"
 	"strings"
+	"os"
 )
 
 // bindata_read reads the given file from disk. It returns an error on failure.
@@ -44,6 +45,11 @@ func bindata_read(path, name string) ([]byte, error) {
 	return buf, err
 }
 
+type asset struct {
+	bytes []byte
+	info  os.FileInfo
+}
+
 `)
 	return err
 }
@@ -53,11 +59,21 @@ func bindata_read(path, name string) ([]byte, error) {
 // the original file (e.g.: from disk).
 func writeDebugAsset(w io.Writer, asset *Asset) error {
 	_, err := fmt.Fprintf(w, `// %s reads file data from disk. It returns an error on failure.
-func %s() ([]byte, error) {
+func %s() (*asset, error) {
-	return bindata_read(
+	path := %q
-		%q,
+	name := %q
-		%q,
+	bytes, err := bindata_read(path, name)
-	)
+	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
 }
 
 `, asset.Func, asset.Func, asset.Path, asset.Name)

toc.go

@@ -80,7 +80,7 @@ func (root *assetTree) writeGoMap(w io.Writer, nident int) {
 
 func (root *assetTree) WriteAsGoMap(w io.Writer) error {
 	_, err := fmt.Fprint(w, `type _bintree_t struct {
-	Func func() ([]byte, error)
+	Func func() (*asset, error)
 	Children map[string]*_bintree_t
 }
 var _bintree = `)
@@ -161,11 +161,30 @@ func writeTOCHeader(w io.Writer) error {
 func Asset(name string) ([]byte, error) {
 	cannonicalName := strings.Replace(name, "\\", "/", -1)
 	if f, ok := _bindata[cannonicalName]; ok {
-		return f()
+		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))
@@ -176,7 +195,7 @@ func AssetNames() []string {
 }
 
 // _bindata is a table, holding each asset generator, mapped to its name.
-var _bindata = map[string]func() ([]byte, error){
+var _bindata = map[string]func() (*asset, error){
 `)
 	return err
 }
@@ -190,6 +209,7 @@ func writeTOCAsset(w io.Writer, asset *Asset) error {
 // writeTOCFooter writes the table of contents file footer.
 func writeTOCFooter(w io.Writer) error {
 	_, err := fmt.Fprintf(w, `}
+
 `)
 	return err
 }