Levi Installation Script

install.sh

#!/usr/bin/env bash
# Levi Installation Script
# Usage: curl -fsSL https://gist.github.com/patrickjholloway/fee78be2b6f25ef8a901ff41ababd940 | sh
#
# Detects Node.js, then launches the interactive TUI installer.
# For the legacy sequential installer: bash install-legacy.sh

set -euo pipefail

# ── Colors ────────────────────────────────────────────────────────────────────

if [[ -t 1 ]]; then
  BOLD='\033[1m' DIM='\033[2m' RED='\033[0;31m' GREEN='\033[0;32m'
  YELLOW='\033[1;33m' BLUE='\033[0;34m' NC='\033[0m'
else
  BOLD='' DIM='' RED='' GREEN='' YELLOW='' BLUE='' NC=''
fi

# ── Detect system ─────────────────────────────────────────────────────────────

OS=$(uname -s | tr '[:upper:]' '[:lower:]')
ARCH=$(uname -m)
case "$ARCH" in
  x86_64)        ARCH="x64" ;;
  aarch64|arm64) ARCH="arm64" ;;
  *)
    echo -e "${RED}Unsupported architecture: $ARCH${NC}"
    echo "  Levi supports x86_64 and arm64."
    exit 1
    ;;
esac

case "$OS" in
  linux|darwin) ;;
  *)
    echo -e "${RED}Unsupported OS: $OS${NC}"
    echo "  Levi supports Linux and macOS."
    exit 1
    ;;
esac

# ── Ensure Node 18+ ──────────────────────────────────────────────────────────

MIN_NODE=18
HAS_NODE=false

if command -v node &>/dev/null; then
  NODE_VER=$(node -e 'console.log(process.versions.node.split(".")[0])')
  if (( NODE_VER >= MIN_NODE )); then
    HAS_NODE=true
  fi
fi

if [[ "$HAS_NODE" != "true" ]]; then
  echo ""
  echo -e "  ${BOLD}Levi requires Node.js ${MIN_NODE} or later.${NC}"
  echo ""

  if [[ "$OS" == "linux" ]]; then
    echo "  Install Node.js:"
    echo -e "  ${DIM}curl -fsSL https://deb.nodesource.com/setup_20.x | sudo bash -${NC}"
    echo -e "  ${DIM}sudo apt-get install -y nodejs${NC}"
  else
    echo "  Install Node.js:"
    echo -e "  ${DIM}brew install node${NC}"
  fi

  echo ""
  echo "  Then re-run:"
  echo -e "  ${BLUE}curl -fsSL https://get.levi.sh | sh${NC}"
  exit 1
fi

# ── npm registry ──────────────────────────────────────────────────────────────

REGISTRY_ARGS=""
if [[ -n "${LEVI_NPM_REGISTRY:-}" ]]; then
  REGISTRY_ARGS="--registry ${LEVI_NPM_REGISTRY}"
fi

# ── Parse installer args for fail-fast checks ────────────────────────────────

PROFILE=""
YES_MODE=false

for arg in "$@"; do
  case "$arg" in
    --yes|-y) YES_MODE=true ;;
    --profile=*) PROFILE="${arg#*=}" ;;
    --help|-h)
      echo "Levi installer bootstrap"
      echo ""
      echo "Usage:"
      echo "  curl -fsSL https://get.levi.sh | sh"
      echo "  curl -fsSL https://get.levi.sh | sh -s -- --profile local --yes"
      echo ""
      echo "Options forwarded to @marsman-io/levi-installer:"
      echo "  --profile <cloud|local>   Select install profile"
      echo "  --yes, -y                 Non-interactive mode (skip prompts)"
      echo ""
      echo "Environment:"
      echo "  LEVI_NPM_REGISTRY=<url>   Custom npm registry"
      exit 0
      ;;
  esac
done

for ((i=1; i<=$#; i++)); do
  if [[ "${!i}" == "--profile" ]]; then
    next_index=$((i + 1))
    if (( next_index <= $# )); then
      PROFILE="${!next_index}"
    fi
  fi
done

if [[ -n "$PROFILE" && "$PROFILE" != "cloud" && "$PROFILE" != "local" ]]; then
  echo -e "${RED}Invalid --profile: ${PROFILE}${NC}"
  echo "  Expected one of: cloud, local"
  echo "  See install docs: https://github.com/marsman-io/levi/blob/main/docs/bootstrap/INSTALL.md"
  exit 1
fi

if [[ "$YES_MODE" == "true" && "$PROFILE" == "local" ]]; then
  if ! sudo -n true 2>/dev/null; then
    echo -e "${YELLOW}Non-interactive local install needs sudo access up front.${NC}"
    echo "  Re-run without --yes for interactive prompts, or enable sudo for this session."
    echo "  See troubleshooting: https://github.com/marsman-io/levi/blob/main/docs/bootstrap/INSTALL.md#troubleshooting"
    exit 1
  fi
fi

# ── Launch installer TUI ─────────────────────────────────────────────────────

echo ""
echo -e "  ${BLUE}${BOLD}Levi${NC} — Agent Control Plane"
echo -e "  ${DIM}Launching installer...${NC}"
echo ""

exec npx --yes @marsman-io/levi-installer ${REGISTRY_ARGS} "$@"