From 4bad13692dcc63b4e742922bd5d045b46607a1a1 Mon Sep 17 00:00:00 2001
From: Emik <emik.cuber@gmail.com>
Date: Sun, 24 May 2026 03:27:28 +0200
Subject: [PATCH] Update upscale.bat

---
 assets/upscale.bat | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/assets/upscale.bat b/assets/upscale.bat
index 4feff88..117e6c5 100644
--- a/assets/upscale.bat
+++ b/assets/upscale.bat
@@ -1 +1,18 @@
-for /F %%x in ('dir /B/D 1x') do magick 1x\%%x -scale 200%% 2x\%%x
+@echo off
+for /F %%x in ('dir /B/D 2x') do (
+    if %%~xx == .png (
+        if not exist 1x\%%x (
+            echo Removing deleted file 1x\%%x from 2x\
+            del 2x\%%x
+        )
+    )
+)
+for /F %%x in ('dir /B/D 1x') do (
+    if %%~xx == .png (
+        REM https://stackoverflow.com/questions/1687014/how-do-i-compare-timestamps-of-files-in-a-batch-script/58323817#58323817
+        xcopy /LDY /-I 1x\%%x 2x\%%x | findstr /B /C:"1 " > nul 2>&1 && (
+            echo Updating changed file 1x\%%x in 2x\
+            magick 1x\%%x -filter point -resize 200%% 2x\%%x
+        )
+    )
+)
\ No newline at end of file