delete attachments from the database and file system

models/release.go

@@ -6,6 +6,7 @@ package models
 
 import (
 	"fmt"
+	"os"
 	"sort"
 	"strings"
 
@@ -469,6 +470,24 @@ func DeleteReleaseByID(id int64, u *User, delTag bool) error {
 		go HookQueue.Add(rel.Repo.ID)
 	}
 
+	if setting.AttachmentEnabled {
+
+		uuids := make([]string, 0, len(rel.Attachments))
+
+		for i := range rel.Attachments {
+			attachment := rel.Attachments[i]
+			if err := os.RemoveAll(attachment.LocalPath()); err != nil {
+				return err
+			}
+
+			uuids = append(uuids, attachment.UUID)
+		}
+
+		if _, err := x.In("uuid", uuids).Delete(new(Attachment)); err != nil {
+			return err
+		}
+	}
+
 	return nil
 }