fix: add rg to path (#146)

src/tools/impl/Bash.ts

@@ -2,6 +2,7 @@ import type { ExecOptions } from "node:child_process";
 import { exec, spawn } from "node:child_process";
 import { promisify } from "node:util";
 import { backgroundProcesses, getNextBashId } from "./process_manager.js";
+import { getShellEnv } from "./shellEnv.js";
 import { LIMITS, truncateByChars } from "./truncation.js";
 import { validateRequiredParams } from "./validation.js";
 
@@ -60,7 +61,7 @@ export async function bash(args: BashArgs): Promise<BashResult> {
     const childProcess = spawn(command, [], {
       shell: true,
       cwd: userCwd,
-      env: { ...process.env },
+      env: getShellEnv(),
     });
     backgroundProcesses.set(bashId, {
       process: childProcess,
@@ -118,7 +119,7 @@ export async function bash(args: BashArgs): Promise<BashResult> {
       timeout: effectiveTimeout,
       maxBuffer: 10 * 1024 * 1024,
       cwd: userCwd,
-      env: { ...process.env },
+      env: getShellEnv(),
       signal,
     };
     const { stdout, stderr } = await execAsync(command, options);

src/tools/impl/Shell.ts

@@ -1,5 +1,6 @@
 import { spawn } from "node:child_process";
 import * as path from "node:path";
+import { getShellEnv } from "./shellEnv.js";
 import { validateRequiredParams } from "./validation.js";
 
 interface ShellArgs {
@@ -50,7 +51,7 @@ export async function shell(args: ShellArgs): Promise<ShellResult> {
 
     const child = spawn(executable, execArgs, {
       cwd,
-      env: process.env,
+      env: getShellEnv(),
       stdio: ["ignore", "pipe", "pipe"],
     });
 

src/tools/impl/shellEnv.ts

@@ -0,0 +1,42 @@
+/**
+ * Shell environment utilities
+ * Provides enhanced environment variables for shell execution,
+ * including bundled tools like ripgrep in PATH.
+ */
+
+import { createRequire } from "node:module";
+import * as path from "node:path";
+import { fileURLToPath } from "node:url";
+
+/**
+ * Get the directory containing the bundled ripgrep binary.
+ * Returns undefined if @vscode/ripgrep is not installed.
+ */
+function getRipgrepBinDir(): string | undefined {
+  try {
+    const __filename = fileURLToPath(import.meta.url);
+    const require = createRequire(__filename);
+    const rgPackage = require("@vscode/ripgrep");
+    // rgPath is the full path to the binary, we want the directory
+    return path.dirname(rgPackage.rgPath);
+  } catch (_error) {
+    return undefined;
+  }
+}
+
+/**
+ * Get enhanced environment variables for shell execution.
+ * Includes bundled tools (like ripgrep) in PATH.
+ */
+export function getShellEnv(): NodeJS.ProcessEnv {
+  const env = { ...process.env };
+
+  // Add ripgrep bin directory to PATH if available
+  const rgBinDir = getRipgrepBinDir();
+  if (rgBinDir) {
+    const currentPath = env.PATH || "";
+    env.PATH = `${rgBinDir}${path.delimiter}${currentPath}`;
+  }
+
+  return env;
+}