fix download for sd15/sdxl reference models

Signed-off-by: Vladimir Mandic <mandic00@live.com>

CHANGELOG.md

@@ -1,6 +1,6 @@
 # Change Log for SD.Next
 
-## Update for 2025-09-19
+## Update for 2025-09-20
 
 - **Models**
   - [WAN 2.2 14B VACE](https://huggingface.co/alibaba-pai/Wan2.2-VACE-Fun-A14B)  
@@ -27,6 +27,7 @@
   - framepack: add explicit hf-login before framepack load  
   - benchmark: remove forced sampler from system info benchmark  
   - xyz-grid: fix xyz grid with random seeds  
+  - fix download for sd15/sdxl reference models  
 
 ## Update for 2025-09-15
 

modules/civitai/download_civitai.py

@@ -103,10 +103,11 @@ def download_civit_model_thread(model_name: str, model_url: str, model_path: str
     if os.path.isfile(temp_file):
         starting_pos = os.path.getsize(temp_file)
         headers['Range'] = f'bytes={starting_pos}-'
-    if token is None or len(token) == 0:
-        token = shared.opts.civitai_token
-    if token is not None and len(token) > 0:
-        headers['Authorization'] = f'Bearer {token}'
+    if ('civit' in model_url.lower()):
+        if token is None or len(token) == 0:
+            token = shared.opts.civitai_token
+        if (token is not None) and (len(token) > 0):
+            headers['Authorization'] = f'Bearer {token}'
 
     r = shared.req(model_url, headers=headers, stream=True)
     total_size = int(r.headers.get('content-length', 0))

modules/lora/lora_overrides.py

@@ -61,7 +61,9 @@ def get_method(shorthash=''):
         use_diffusers = use_diffusers or any(x.startswith(shorthash) for x in maybe_diffusers)
     if shared.opts.lora_force_diffusers and len(shorthash) > 4:
         use_diffusers = use_diffusers or any(x.startswith(shorthash) for x in force_diffusers)
-    use_nunchaku = hasattr(shared.sd_model, 'transformer') and 'Nunchaku' in shared.sd_model.transformer.__class__.__name__
+    nunchaku_dit = hasattr(shared.sd_model, 'transformer') and 'Nunchaku' in shared.sd_model.transformer.__class__.__name__
+    nunchaku_unet = hasattr(shared.sd_model, 'unet') and 'Nunchaku' in shared.sd_model.unet.__class__.__name__
+    use_nunchaku = nunchaku_dit or nunchaku_unet
     if use_nunchaku:
         return 'nunchaku'
     elif use_diffusers: