Handle u2net.onnx to skip downloading

attachments/run_nvidia_gpu.bat

@@ -21,6 +21,15 @@ set PATH=%PATH%;%~dp0\python_embeded\Scripts
 @REM 该行命令会使 .pyc 文件集中保存在一处。
 set PYTHONPYCACHEPREFIX=.\pycache
 
+@REM This command will copy u2net.onnx to user's home path, to skip download at first start.
+@REM 该行命令会复制 u2net.onnx 到用户主目录下，以免启动时还需下载。
+IF NOT EXIST "%USERPROFILE%\.u2net\u2net.onnx" (
+    IF EXIST ".\extras\u2net.onnx" (
+        mkdir "%USERPROFILE%\.u2net" 2>nul
+        copy ".\extras\u2net.onnx" "%USERPROFILE%\.u2net\u2net.onnx"            
+    )
+)
+
 @REM If you don't want the browser to open automatically, add " --disable-auto-launch" (without quotation marks) to the end of the line below.
 @REM 如果不想要 ComfyUI 启动后自动打开浏览器，添加" --disable-auto-launch"（不含引号）到下行末尾。
 .\python_embeded\python.exe -s ComfyUI\main.py --windows-standalone-build

stage2.sh

@@ -113,6 +113,11 @@ $gcs https://github.com/ltdrdata/ComfyUI-Impact-Subpack.git impact_subpack
 cd "$workdir"/ComfyUI_Windows_portable
 ./python_embeded/python.exe -s -B ComfyUI/main.py --quick-test-for-ci --cpu
 
+# Copy model files from ~/
+cd "$workdir"/ComfyUI_Windows_portable
+mkdir extras
+cp ~/.u2net/u2net.onnx ./extras/u2net.onnx
+
 # Clean up
 rm "$workdir"/ComfyUI_Windows_portable/*.log
 # DO NOT clean pymatting cache, they are nbi/nbc files for Numba, and won't be regenerated.