set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

cd "$SCRIPT_DIR"

if ! command -v cargo >/dev/null 2>&1; then

echo "[ERROR] cargo not found in PATH."

echo "Install Rust first: https://rustup.rs/"

exit 1

if ! command -v rustc >/dev/null 2>&1; then

echo "[ERROR] rustc not found in PATH."

echo "Install Rust first: https://rustup.rs/"

exit 1

RUSTC_INFO=""

if ! RUSTC_INFO="$(rustc -vV 2>/dev/null)"; then

echo "[ERROR] Failed to run 'rustc -vV'."

echo "Ensure your Rust toolchain is installed correctly."

exit 1

RUST_HOST="$(printf '%s\n' "$RUSTC_INFO" | awk '/^host:/{print $2; exit}')"

if [[ -z "$RUST_HOST" ]]; then

echo "[ERROR] Unable to detect rustc host target."

echo "Run 'rustc -vV' and ensure Rust is installed correctly."

exit 1

echo "[INFO] Building vn CLI for host target $RUST_HOST..."

if ! cargo build --manifest-path cli/Cargo.toml -p vn --target "$RUST_HOST"; then

echo "[ERROR] Build failed."

exit 1

VN_BIN="./cli/target/$RUST_HOST/debug/vn"

if [[ ! -x "$VN_BIN" ]]; then

echo "[ERROR] Binary not found: $VN_BIN"

exit 1

if ! command -v rustscan >/dev/null 2>&1; then

echo "[INFO] rustscan not found. Installing via cargo (one-time)..."

if ! cargo install rustscan; then

echo "[WARNING] Failed to install rustscan. 'vn net scan' will not work until it is installed."

fi

echo "[INFO] Launching vn..."

set +e

"$VN_BIN" "$@"

VN_EXIT=$?

set -e

if [[ "$VN_EXIT" -ne 0 ]]; then

echo "[ERROR] vn exited with code $VN_EXIT."

exit "$VN_EXIT"