fix(themes): keep last-known-good custom theme on transient file-lock

2026-05-07 19:51:43 +02:00
parent aff2528a6f
commit e4ee7aaafa
2 changed files with 24 additions and 6 deletions
@@ -63,7 +63,11 @@ internal static class ThemeJsonLoader

    public static Theme LoadFromFile(string path)
    {
-        var json = File.ReadAllText(path);
+        // FileShare.Read lets concurrent readers and well-behaved editors share
+        // the handle; atomic-replace editors still raise IOException, caught upstream.
+        using var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
+        using var reader = new StreamReader(stream);
+        var json = reader.ReadToEnd();
        return LoadFromString(json);
    }