scripts/install_comfyui.sh: portable ComfyUI install (SD/SDXL runner; mflux is FLUX-only)

scripts/install_comfyui.sh

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+#!/usr/bin/env bash
+# ComfyUI — Stable Diffusion / SDXL runner for Apple Silicon (MPS).
+#
+# Why this exists: MODELBEAST's flux_local uses mflux, which is FLUX-only and
+# CANNOT run SD1.5/SDXL checkpoints. ComfyUI is the engine for the ~44GB of
+# Civitai models in ~/Documents/localmodels (A1111 layout).
+#
+# Portable across the fleet: reads models from $LOCALMODELS (default
+# ~/Documents/localmodels) via extra_model_paths.yaml — no copying into vendor/.
+#
+#   bash scripts/install_comfyui.sh
+#   cd vendor/comfyui && .venv/bin/python main.py --port 8188
+set -euo pipefail
+cd "$(dirname "$0")/.."
+VENDOR="vendor/comfyui"
+LOCALMODELS="${LOCALMODELS:-$HOME/Documents/localmodels}"
+
+# uv lives in different places per node (brew on the Studios, ~/.local/bin on the mini)
+UV="$(command -v uv || true)"
+[ -x "$UV" ] || UV=/opt/homebrew/bin/uv
+[ -x "$UV" ] || UV="$HOME/.local/bin/uv"
+[ -x "$UV" ] || { echo "[comfy] ERROR: uv not found"; exit 1; }
+echo "[comfy] uv: $UV"
+
+[ -d "$VENDOR" ] || git clone --depth 1 https://github.com/comfyanonymous/ComfyUI.git "$VENDOR"
+cd "$VENDOR"
+
+echo "[comfy] venv (python 3.12) ..."
+[ -x .venv/bin/python ] || "$UV" venv --python 3.12 .venv
+
+echo "[comfy] torch (MPS) + requirements ..."
+"$UV" pip install --python .venv/bin/python torch torchvision torchaudio
+"$UV" pip install --python .venv/bin/python -r requirements.txt
+
+echo "[comfy] pointing at models: $LOCALMODELS"
+cat > extra_model_paths.yaml <<YAML
+# Read the existing A1111-style model folder in place (no copying).
+a111:
+    base_path: $LOCALMODELS
+    checkpoints: Stable-diffusion
+    loras: Lora
+YAML
+
+echo "[comfy] verifying ..."
+.venv/bin/python -c "import torch; print('[comfy] torch', torch.__version__, 'mps', torch.backends.mps.is_available())"
+if [ -d "$LOCALMODELS/Stable-diffusion" ]; then
+  echo "[comfy] checkpoints found: $(ls "$LOCALMODELS"/Stable-diffusion/*.safetensors "$LOCALMODELS"/Stable-diffusion/*.ckpt 2>/dev/null | wc -l | tr -d ' ')"
+  echo "[comfy] loras found:       $(ls "$LOCALMODELS"/Lora/*.safetensors 2>/dev/null | wc -l | tr -d ' ')"
+else
+  echo "[comfy] NOTE: $LOCALMODELS not present yet — rsync the models, then just start ComfyUI."
+fi
+echo "[comfy] done — run: cd $VENDOR && .venv/bin/python main.py --port 8188"
+echo "[comfy] reminder: the SD1.5 LoRAs only work with Hyper_Realism_1.2_fp16 (see localmodels/README.md)"