create missing directories recurisvely

hugolib/helpers.go

@@ -17,12 +17,13 @@ import (
 	"bytes"
 	"fmt"
 	"github.com/kr/pretty"
+	"html/template"
 	"os"
+	"path/filepath"
 	"reflect"
 	"regexp"
 	"strconv"
 	"strings"
-	"html/template"
 	"time"
 )
 
@@ -137,11 +138,25 @@ func exists(path string) (bool, error) {
 	return false, err
 }
 
-func mkdirIf(path string) {
+func mkdirIf(path string) error {
 	err := os.Mkdir(path, 0777)
-	if err != nil && os.IsNotExist(err) {
-		fmt.Println(err)
+	if err != nil {
+		if os.IsExist(err) {
+			return nil
 		}
+		if os.IsNotExist(err) {
+			parent, _ := filepath.Split(path)
+			err2 := mkdirIf(parent)
+			if err2 != nil {
+				return err2
+			} else {
+				return mkdirIf(path)
+			}
+		}
+		return err
+	}
+
+	return nil
 }
 
 func Urlize(url string) string {