File Operation MCP Server

#!/bin/bash # Exit immediately if a command exits with a non-zero status. set -e # --- Configuration --- PROJECT_PATH=$(pwd) SRC_DIR="src" STABLE_DIST_DIR="stable_build/dist" STABLE_BUILD_ENTRY="$STABLE_DIST_DIR/index.js" TOOLS_HASH_FILE=".tools_hash_stable" SERVER_LOG_FILE="server.log" # --- Helper Functions --- log_script() { # This logs to standard error, keeping standard out clean echo "[SCRIPT] $1" >&2 } # Use lsof for reliable port checking on standard Linux find_available_port() { local port=3000 while [ $port -le 3010 ]; do if ! lsof -i :$port >/dev/null; then log_script "✅ Port $port is available." echo $port return 0 fi port=$((port + 1)) done log_script "❌ No available port found in range 3000-3010." return 1 } wait_for_server() { local port=$1 local pid=$2 log_script "Waiting for server (PID: $pid) on port $port to become healthy..." for i in {1..15}; do # First, check if the process is still alive if ! kill -0 $pid 2>/dev/null; then log_script "❌ Server process (PID: $pid) died unexpectedly." return 1 fi # If alive, check health endpoint if curl --silent --fail http://localhost:$port/health >/dev/null 2>&1; then log_script "✅ Server is healthy!" return 0 fi sleep 1 done log_script "❌ Server did not become healthy in time." return 1 } stop_server_processes() { log_script "Stopping any running server instances..." # A bit more aggressive to catch all node/bun processes related to the project pkill -f "bun-files-mcp" || true sleep 1 } # --- Main Execution --- stop_server_processes # Always start with a clean log file > "$SERVER_LOG_FILE" # 1. Calculate Hashes NEW_HASH=$( [ -f "$SRC_DIR/tools/index.ts" ] && sha256sum "$SRC_DIR/tools/index.ts" | awk '{print $1}' || echo "" ) OLD_HASH=$( [ -f "$TOOLS_HASH_FILE" ] && cat "$TOOLS_HASH_FILE" || echo "" ) # 2. Decide whether to build or use cache if [ "$NEW_HASH" = "$OLD_HASH" ] && [ -n "$NEW_HASH" ] && [ -f "$STABLE_BUILD_ENTRY" ]; then log_script "🔄 Hash matches. Starting cached build..." SERVER_TO_RUN=$STABLE_BUILD_ENTRY else log_script "🛠️ Hash mismatch or no stable build. Building new version..." TEMP_BUILD="temp_build_$(date +%s)" mkdir -p "$TEMP_BUILD" # Copy files and build cp -r package*.json tsconfig.json rslib.config.ts src "$TEMP_BUILD/" ( cd "$TEMP_BUILD" log_script "Installing dependencies..." bun install log_script "Building project..." bun run build ) # The 'set -e' will handle errors here log_script "✅ Build successful. Testing new build..." # Test the new build TEST_BUILD_ENTRY="$TEMP_BUILD/dist/index.js" PORT_FOR_TEST=$(find_available_port) PORT=$PORT_FOR_TEST nohup bun run "$TEST_BUILD_ENTRY" >> "$SERVER_LOG_FILE" 2>&1 & TEST_PID=$! if wait_for_server $PORT_FOR_TEST $TEST_PID; then log_script "✨ New build is healthy. Promoting to stable." stop_server_processes rm -rf "$STABLE_DIST_DIR" mv "$TEMP_BUILD/dist" "$STABLE_DIST_DIR" echo "$NEW_HASH" > "$TOOLS_HASH_FILE" SERVER_TO_RUN=$STABLE_BUILD_ENTRY else log_script "⏪ New build failed. Rolling back to previous stable version." stop_server_processes if [ -f "$STABLE_BUILD_ENTRY" ]; then SERVER_TO_RUN=$STABLE_BUILD_ENTRY else log_script "💀 No stable version available to roll back to. Exiting." rm -rf "$TEMP_BUILD" exit 1 fi fi rm -rf "$TEMP_BUILD" fi # 3. Final Start if [ -z "$SERVER_TO_RUN" ]; then log_script "💀 Could not determine which server version to run. Exiting." exit 1 fi FINAL_PORT=$(find_available_port) log_script "🚀 Starting final server from '$SERVER_TO_RUN' on port $FINAL_PORT..." PORT=$FINAL_PORT nohup bun run "$SERVER_TO_RUN" >> "$SERVER_LOG_FILE" 2>&1 & FINAL_PID=$! # Final verification sleep 2 if ! kill -0 $FINAL_PID 2>/dev/null; then log_script "💀 Final server process failed to start. Check '$SERVER_LOG_FILE' for errors." exit 1 fi log_script "✅ Server is running successfully (PID: $FINAL_PID) on port $FINAL_PORT." if command -v notify-send &> /dev/null; then notify-send "MCP Server" "Server is running on port $FINAL_PORT" fi