ix-cursor-plugin/install.sh at main · ix-infrastructure/ix-cursor-plugin · GitHub

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#!/usr/bin/env bash

set -euo pipefail

REPO="${IX_CURSOR_REPO:-ix-infrastructure/ix-cursor-plugin}"
REF="${IX_CURSOR_REF:-main}"
PLUGIN_NAME="${IX_CURSOR_PLUGIN_NAME:-ix-memory}"
CURSOR_LOCAL_ROOT="${HOME}/.cursor/plugins/local"
DEST_DIR="${CURSOR_LOCAL_ROOT}/${PLUGIN_NAME}"
ARCHIVE_URL="https://codeload.github.com/${REPO}/tar.gz/refs/heads/${REF}"

need_cmd() {
  if ! command -v "$1" >/dev/null 2>&1; then
    echo "Error: required command not found: $1" >&2
    exit 1
  fi
}

echo "Installing ${PLUGIN_NAME} from ${REPO}@${REF}"

need_cmd curl
need_cmd tar
need_cmd node

if ! command -v ix >/dev/null 2>&1; then
  echo "Error: 'ix' is not available on PATH." >&2
  echo "Install ix first, then rerun this installer." >&2
  exit 1
fi

TMP_DIR="$(mktemp -d)"
cleanup() {
  rm -rf "${TMP_DIR}"
}
trap cleanup EXIT

mkdir -p "${CURSOR_LOCAL_ROOT}"

echo "Downloading archive..."
curl -fsSL "${ARCHIVE_URL}" -o "${TMP_DIR}/plugin.tar.gz"

echo "Extracting archive..."
tar -xzf "${TMP_DIR}/plugin.tar.gz" -C "${TMP_DIR}"

EXTRACTED_DIR="$(find "${TMP_DIR}" -mindepth 1 -maxdepth 1 -type d | head -n 1)"
if [[ -z "${EXTRACTED_DIR}" ]]; then
  echo "Error: could not find extracted plugin directory." >&2
  exit 1
fi

if [[ ! -f "${EXTRACTED_DIR}/.cursor-plugin/plugin.json" ]]; then
  echo "Error: extracted archive does not contain .cursor-plugin/plugin.json." >&2
  echo "Check REPO and REF, or override them with IX_CURSOR_REPO / IX_CURSOR_REF." >&2
  exit 1
fi

if [[ -L "${DEST_DIR}" ]]; then
  echo "Removing existing symlink at ${DEST_DIR}"
  rm "${DEST_DIR}"
elif [[ -d "${DEST_DIR}" ]]; then
  echo "Replacing existing install at ${DEST_DIR}"
  rm -rf "${DEST_DIR}"
elif [[ -e "${DEST_DIR}" ]]; then
  echo "Error: ${DEST_DIR} exists and is not a directory or symlink." >&2
  exit 1
fi

mkdir -p "${DEST_DIR}"
cp -R "${EXTRACTED_DIR}/." "${DEST_DIR}/"

if [[ ! -d "${DEST_DIR}/mcp/node_modules" ]]; then
  if ! command -v npm >/dev/null 2>&1; then
    echo "Error: npm is required because mcp/node_modules is missing." >&2
    exit 1
  fi
  echo "Installing MCP runtime dependencies..."
  (
    cd "${DEST_DIR}/mcp"
    npm ci --omit=dev
  )
fi

if [[ ! -f "${DEST_DIR}/mcp/dist/server.js" ]]; then
  if ! command -v npm >/dev/null 2>&1; then
    echo "Error: npm is required because mcp/dist/server.js is missing." >&2
    exit 1
  fi
  echo "Building MCP server..."
  (
    cd "${DEST_DIR}/mcp"
    npm ci
    npm run build
  )
fi

echo
echo "Installed Cursor plugin:"
echo "  ${DEST_DIR}"
echo
echo "Next step:"
echo "  Restart Cursor or reload plugins so it picks up the new install."