#!/usr/bin/env bash
# Fetch Qwen3.8-27B weights.
#
# UD-Q4_K_XL carries the MTP head embedded as blk.64.nextn.* — there is no
# separate drafter file to download for MTP. The DSpark drafter is only needed
# if you want to A/B block-diffusion drafting against MTP.
set -euo pipefail

MODEL_DIR="${MODEL_DIR:-$HOME/models/qwen3.8-27b}"
HF=https://huggingface.co

mkdir -p "$MODEL_DIR"
cd "$MODEL_DIR"

get() {
    local out="$1" url="$2"
    echo "==> $out"
    curl -sSL --retry 5 --retry-delay 5 -C - -o "$out" "$url"
}

get Qwen3.8-27B-UD-Q4_K_XL.gguf \
    "$HF/unsloth/Qwen3.8-27B-GGUF/resolve/main/Qwen3.8-27B-UD-Q4_K_XL.gguf"

# Vision tower — skip if you only want text.
get mmproj-F16.gguf \
    "$HF/unsloth/Qwen3.8-27B-GGUF/resolve/main/mmproj-F16.gguf"

# Optional: DSpark drafter, for benchmarking against built-in MTP.
get Qwen3.8-27B-DSpark-Q8_0.gguf \
    "$HF/magnitudedev/Qwen3.8-27B-DSpark-GGUF/resolve/main/Qwen3.8-27B-DSpark-Q8_0.gguf"

ls -lh "$MODEL_DIR"