Vibe Coding Documentation MCP (MUSE)

/** * Git command execution utility using spawn for security */ import { spawn } from 'child_process'; import * as path from 'path'; import { ToolError } from '../core/errors.js'; export interface GitExecResult { stdout: string; stderr: string; exitCode: number; } export interface GitExecOptions { cwd?: string; timeout?: number; env?: Record<string, string>; } /** * Execute git command safely using spawn (no shell injection) */ export async function execGit( args: string[], options: GitExecOptions = {} ): Promise<GitExecResult> { const { cwd = process.cwd(), timeout = 30000, env = {} } = options; return new Promise((resolve, reject) => { const proc = spawn('git', args, { cwd, env: { ...process.env, ...env, GIT_TERMINAL_PROMPT: '0', LC_ALL: 'C.UTF-8', }, timeout, }); let stdout = ''; let stderr = ''; proc.stdout.on('data', (data: Buffer) => { stdout += data.toString(); }); proc.stderr.on('data', (data: Buffer) => { stderr += data.toString(); }); proc.on('close', (code) => { resolve({ stdout, stderr, exitCode: code ?? 0 }); }); proc.on('error', (err) => { reject( new ToolError(`Failed to execute git: ${err.message}`, 'INTERNAL_ERROR', { args, cwd, }) ); }); }); } /** * Check if directory is a git repository */ export async function isGitRepository(repoPath: string): Promise<boolean> { try { const result = await execGit(['rev-parse', '--git-dir'], { cwd: repoPath }); return result.exitCode === 0; } catch { return false; } } /** * Get repository root path */ export async function getRepoRoot(repoPath: string): Promise<string | null> { try { const result = await execGit(['rev-parse', '--show-toplevel'], { cwd: repoPath }); if (result.exitCode === 0) { return result.stdout.trim(); } return null; } catch { return null; } } /** * Get remote URL for origin */ export async function getRemoteUrl(repoPath: string): Promise<string | null> { try { const result = await execGit(['remote', 'get-url', 'origin'], { cwd: repoPath }); if (result.exitCode === 0) { return result.stdout.trim(); } return null; } catch { return null; } } /** * Validate and resolve repository path */ export async function validateRepoPath(inputPath?: string): Promise<string> { const repoPath = inputPath ? path.resolve(inputPath) : process.cwd(); const isRepo = await isGitRepository(repoPath); if (!isRepo) { throw new ToolError( `Not a git repository: ${repoPath}. Initialize with "git init" or specify a valid repository path.`, 'VALIDATION_ERROR', { path: repoPath } ); } return repoPath; }