From 35d1c94549cf75e7e312372d90fee0acc2806426 Mon Sep 17 00:00:00 2001
From: w-e-w <40751091+w-e-w@users.noreply.github.com>
Date: Wed, 6 Sep 2023 20:24:26 +0900
Subject: [PATCH] save_images_add_number_suffix

---
 modules/images.py         | 10 +++++++++-
 modules/shared_options.py |  2 +-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/modules/images.py b/modules/images.py
index eb6447338..10dcd9ab8 100644
--- a/modules/images.py
+++ b/modules/images.py
@@ -661,7 +661,15 @@ def save_image(image, path, basename, seed=None, prompt=None, extension='png', i
 
         save_image_with_geninfo(image_to_save, info, temp_file_path, extension, existing_pnginfo=params.pnginfo, pnginfo_section_name=pnginfo_section_name)
 
-        os.replace(temp_file_path, filename_without_extension + extension)
+        full_file_name = filename_without_extension + extension
+        if shared.opts.save_images_add_number_suffix and os.path.exists(full_file_name):
+            count = 1
+            while True:
+                full_file_name = f"{filename_without_extension}_{count}{extension}"
+                if not os.path.exists(full_file_name):
+                    break
+                count += 1
+        os.replace(temp_file_path, full_file_name)
 
     fullfn_without_extension, extension = os.path.splitext(params.filename)
     if hasattr(os, 'statvfs'):
diff --git a/modules/shared_options.py b/modules/shared_options.py
index 00b273faa..2f4caa9dd 100644
--- a/modules/shared_options.py
+++ b/modules/shared_options.py
@@ -26,7 +26,7 @@ options_templates.update(options_section(('saving-images', "Saving images/grids"
     "samples_format": OptionInfo('png', 'File format for images'),
     "samples_filename_pattern": OptionInfo("", "Images filename pattern", component_args=hide_dirs).link("wiki", "https://github.com/AUTOMATIC1111/stable-diffusion-webui/wiki/Custom-Images-Filename-Name-and-Subdirectory"),
     "save_images_add_number": OptionInfo(True, "Add number to filename when saving", component_args=hide_dirs),
-
+    "save_images_add_number_suffix": OptionInfo(True, "Add number suffix when necessary", component_args=hide_dirs).info("prevent existing image from being override"),
     "grid_save": OptionInfo(True, "Always save all generated image grids"),
     "grid_format": OptionInfo('png', 'File format for grids'),
     "grid_extended_filename": OptionInfo(False, "Add extended info (seed, prompt) to filename when saving grid"),