From a2be4cd3497945008f2799af942477ae7bfffb00 Mon Sep 17 00:00:00 2001
From: Stuart Breckenridge <stuart.breckenridge@icloud.com>
Date: Thu, 5 Jan 2023 07:43:30 +0800
Subject: [PATCH] Fixes 3789 by checking lastPathComponent

---
 Shared/ArticleStyles/ArticleThemesManager.swift | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/Shared/ArticleStyles/ArticleThemesManager.swift b/Shared/ArticleStyles/ArticleThemesManager.swift
index 254cccbd1..7a9685d47 100644
--- a/Shared/ArticleStyles/ArticleThemesManager.swift
+++ b/Shared/ArticleStyles/ArticleThemesManager.swift
@@ -76,11 +76,13 @@ final class ArticleThemesManager: NSObject, NSFilePresenter, Logging {
 	}
 	
 	func presentedSubitemDidChange(at url: URL) {
-		themeNames = buildThemeNames()
-		do {
-			currentTheme = try articleThemeWithThemeName(currentThemeName)
-		} catch {
-			appDelegate.presentThemeImportError(error)
+		if url.lastPathComponent.localizedCaseInsensitiveContains("nnwtheme") {
+			themeNames = buildThemeNames()
+			do {
+				currentTheme = try articleThemeWithThemeName(currentThemeName)
+			} catch {
+				appDelegate.presentThemeImportError(error)
+			}
 		}
 	}