#!/usr/bin/env bash
# Build the Mistral Large 4 NVFP4 SGLang image for DGX Spark (aarch64).
#
# Generic driver: forwards every KEY=VAL pin in versions.env as a
# --build-arg to the Dockerfile (no hardcoded variable list). The sm121
# launcher writes a merged versions.env here when a recipe carries
# [build.versions] overrides (recipe wins over the image defaults).
set -euo pipefail
cd "$(dirname "$0")"
TAG="${TAG:-mistral-large4-sglang:local}"

ARGS=()
while IFS= read -r line; do
    # Skip blank lines and comments (# ...).
    case "$line" in
        ''|\#*) continue ;;
    esac
    key="${line%%=*}"
    val="${line#*=}"
    [ -n "$key" ] && ARGS+=(--build-arg "${key}=${val}")
done < versions.env

echo "=== Building ${TAG} ==="
# No buildkit cache mount needed: a single FROM stage, no compile.
docker buildx build "${ARGS[@]}" \
    --progress=plain --load -t "${TAG}" -f Dockerfile . 2>&1
echo "=== Done: ${TAG} ==="