improve config save

Author: xanunderscore

BossMod/BossMod.csproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Dalamud.NET.Sdk/14.0.1">
   <PropertyGroup>
-    <Version>0.4.21.7</Version>
+    <Version>0.4.21.8</Version>
   </PropertyGroup>
 
   <ItemGroup>

BossMod/Config/ConfigRoot.cs

@@ -63,7 +63,8 @@ public void SaveToFile(FileInfo file)
     {
         try
         {
-            ConfigConverter.Schema.Save(file, jwriter =>
+            var tmp = new FileInfo(Path.GetTempFileName());
+            ConfigConverter.Schema.Save(tmp, jwriter =>
             {
                 jwriter.WriteStartObject();
                 var ser = Serialization.BuildSerializationOptions();
@@ -75,6 +76,7 @@ public void SaveToFile(FileInfo file)
                 jwriter.WriteEndObject();
                 jwriter.WriteString(nameof(AssemblyVersion), AssemblyVersion.ToString());
             });
+            tmp.Replace(file.FullName, Path.ChangeExtension(file.FullName, "json.bak"));
         }
         catch (Exception e)
         {