@wonderwhy-er/desktop-commander/dist/utils/ripgrep-resolver.js

MCP server for terminal operations and file editing

import { existsSync, chmodSync } from 'fs';
import path from 'path';
import os from 'os';
import { resolveShellPath } from './shell.js';
let cachedRgPath = null;
/**
 * Resolve ripgrep binary path with multiple fallback strategies
 * This handles cases where @vscode/ripgrep postinstall fails in npx environments
 */
export async function getRipgrepPath() {
    if (cachedRgPath) {
        return cachedRgPath;
    }
    // Strategy 1: Try @vscode/ripgrep package
    try {
        const { rgPath } = await import('@vscode/ripgrep');
        if (existsSync(rgPath)) {
            // Ensure executable permissions on Unix systems
            if (process.platform !== 'win32') {
                try {
                    chmodSync(rgPath, 0o755);
                }
                catch (e) {
                    // Ignore chmod errors - might not have write access
                }
            }
            cachedRgPath = rgPath;
            return rgPath;
        }
    }
    catch (e) {
        // @vscode/ripgrep import or binary resolution failed, continue to fallbacks
    }
    // Strategy 2: system ripgrep on PATH (never the working folder, which
    // 'where' searched first on Windows)
    const systemRg = resolveShellPath(process.platform === 'win32' ? 'rg.exe' : 'rg');
    if (systemRg) {
        cachedRgPath = systemRg;
        return systemRg;
    }
    // Strategy 3: Try common installation paths
    const commonPaths = [];
    if (process.platform === 'win32') {
        // Windows' own Program Files folders, which aren't always on C:
        commonPaths.push(path.join(process.env.ProgramFiles ?? 'C:\\Program Files', 'Ripgrep', 'rg.exe'), path.join(process.env['ProgramFiles(x86)'] ?? 'C:\\Program Files (x86)', 'Ripgrep', 'rg.exe'), path.join(os.homedir(), 'scoop', 'apps', 'ripgrep', 'current', 'rg.exe'), path.join(os.homedir(), '.cargo', 'bin', 'rg.exe'));
    }
    else {
        commonPaths.push('/usr/local/bin/rg', '/usr/bin/rg', path.join(os.homedir(), '.cargo', 'bin', 'rg'), '/opt/homebrew/bin/rg' // Apple Silicon Homebrew
        );
    }
    for (const possiblePath of commonPaths) {
        if (existsSync(possiblePath)) {
            cachedRgPath = possiblePath;
            return possiblePath;
        }
    }
    // No ripgrep found - provide helpful error message
    throw new Error('ripgrep binary not found. Desktop Commander requires ripgrep to perform searches. ' +
        'Please install ripgrep:\n' +
        '  macOS: brew install ripgrep\n' +
        '  Linux: See https://github.com/BurntSushi/ripgrep#installation\n' +
        '  Windows: choco install ripgrep or download from https://github.com/BurntSushi/ripgrep/releases');
}
/**
 * Clear the cached ripgrep path (useful for testing)
 */
export function clearRipgrepCache() {
    cachedRgPath = null;
}