add lora extraction script

loras/extract_lora.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+cd ~/sd/kohya-sd-scripts
+# ./venv/bin/pip install --upgrade pip
+# ./venv/bin/pip install --pre torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/nightly/cpu
+# ./venv/bin/pip install --upgrade xformers
+
+# ./venv/bin/python networks/extract_lora_from_models.py -h
+./venv/bin/python networks/extract_lora_from_models.py \
+--model_org ~/sd/ComfyUI/models/checkpoints/v1-5-pruned-emaonly.safetensors \
+--model_tuned ~/sd/ComfyUI/models/checkpoints/spin-diffusion-v3-sd15.safetensors \
+--dim 256 \
+--save_precision fp16 \
+--save_to ~/sd/ComfyUI/models/loras/spin-diffusion-v3-256.ckpt
+
+
+./venv/bin/python networks/extract_lora_from_models.py \
+--model_org ~/sd/ComfyUI/models/checkpoints/v1-5-pruned-emaonly.safetensors \
+--model_tuned ~/sd/ComfyUI/models/checkpoints/spin-diffusion-v3-sd15.safetensors \
+--dim 128 \
+--save_precision fp16 \
+--save_to ~/sd/ComfyUI/models/loras/spin-diffusion-v3-128.ckpt