fix(cli): Fix Codex CLI execution issue in PowerShell with Hapi Codex (#763)

* fix(cli): fixed an issue where the codex cli failed to run successfully when using hapi codex in powershell

* fix(cli): Fixes the issue of Windows Codex npm shim bypassing the launcher

---------

Co-authored-by: xhd902 <xuhang@infypower.cn>

cli/src/codex/utils/codexExecutable.test.ts

@@ -0,0 +1,184 @@
+import { win32 } from 'node:path';
+import { beforeAll, afterAll, beforeEach, describe, expect, it, vi } from 'vitest';
+
+const { execFileSyncMock, existsSyncMock, homedirMock } = vi.hoisted(() => ({
+    execFileSyncMock: vi.fn(),
+    existsSyncMock: vi.fn(),
+    homedirMock: vi.fn(() => 'home\junes')
+}));
+
+vi.mock('node:child_process', async () => {
+    const actual = await vi.importActual<typeof import('node:child_process')>('node:child_process');
+    return {
+        ...actual,
+        execFileSync: execFileSyncMock
+    };
+});
+
+vi.mock('node:fs', async () => {
+    const actual = await vi.importActual<typeof import('node:fs')>('node:fs');
+    return {
+        ...actual,
+        existsSync: existsSyncMock
+    };
+});
+
+vi.mock('node:os', async () => {
+    const actual = await vi.importActual<typeof import('node:os')>('node:os');
+    return {
+        ...actual,
+        homedir: homedirMock
+    };
+});
+
+const originalPlatformDescriptor = Object.getOwnPropertyDescriptor(process, 'platform');
+const homeDir = win32.join('home', 'junes');
+const nodeRoot = win32.join('toolchains', 'nodejs');
+
+function codexShimPath(): string {
+    return win32.join(nodeRoot, 'codex.cmd');
+}
+
+function nativeCodexPath(): string {
+    return win32.join(
+        nodeRoot,
+        'node_modules',
+        '@openai',
+        'codex',
+        'node_modules',
+        '@openai',
+        'codex-win32-x64',
+        'vendor',
+        'x86_64-pc-windows-msvc',
+        'bin',
+        'codex.exe'
+    );
+}
+
+function codexScriptPath(): string {
+    return win32.join(nodeRoot, 'node_modules', '@openai', 'codex', 'bin', 'codex.js');
+}
+
+function userCodexExePath(): string {
+    return win32.join(homeDir, '.local', 'bin', 'codex.exe');
+}
+
+function setPlatform(value: string) {
+    Object.defineProperty(process, 'platform', {
+        value,
+        configurable: true
+    });
+}
+
+describe('resolveCodexCommand', () => {
+    beforeAll(() => {
+        if (!originalPlatformDescriptor?.configurable) {
+            throw new Error('process.platform is not configurable in this runtime');
+        }
+    });
+
+    beforeEach(() => {
+        vi.clearAllMocks();
+        vi.resetModules();
+        homedirMock.mockReturnValue(homeDir);
+        execFileSyncMock.mockImplementation(() => {
+            throw new Error('not found');
+        });
+        existsSyncMock.mockReturnValue(false);
+    });
+
+    afterAll(() => {
+        if (originalPlatformDescriptor) {
+            Object.defineProperty(process, 'platform', originalPlatformDescriptor);
+        }
+    });
+
+    it('resolves a Windows npm codex.cmd shim through the Codex launcher', async () => {
+        setPlatform('win32');
+        const shim = codexShimPath();
+        const laterExe = userCodexExePath();
+        const executable = nativeCodexPath();
+        const script = codexScriptPath();
+        execFileSyncMock.mockImplementation((command: string, args: string[]) => {
+            if (command === 'where.exe' && args[0] === 'codex') {
+                return `${shim}\r\n${laterExe}\r\n`;
+            }
+            throw new Error('not found');
+        });
+        existsSyncMock.mockImplementation((candidate: string) =>
+            candidate === shim || candidate === laterExe || candidate === executable || candidate === script
+        );
+        const { resolveCodexCommand } = await import('./codexExecutable');
+
+        expect(resolveCodexCommand()).toEqual({
+            command: 'node',
+            args: [script]
+        });
+    });
+
+    it('continues to the next Windows PATH candidate when a shim has no launcher script', async () => {
+        setPlatform('win32');
+        const shim = codexShimPath();
+        const executable = userCodexExePath();
+        execFileSyncMock.mockImplementation((command: string, args: string[]) => {
+            if (command === 'where.exe' && args[0] === 'codex') {
+                return `${shim}\r\n${executable}\r\n`;
+            }
+            throw new Error('not found');
+        });
+        existsSyncMock.mockImplementation((candidate: string) => candidate === shim || candidate === executable);
+        const { resolveCodexCommand } = await import('./codexExecutable');
+
+        expect(resolveCodexCommand()).toEqual({
+            command: executable,
+            args: []
+        });
+    });
+
+    it('keeps a Windows codex.exe found first on PATH', async () => {
+        setPlatform('win32');
+        const executable = userCodexExePath();
+        execFileSyncMock.mockImplementation((command: string, args: string[]) => {
+            if (command === 'where.exe' && args[0] === 'codex') {
+                return `${executable}\r\n`;
+            }
+            throw new Error('not found');
+        });
+        existsSyncMock.mockImplementation((candidate: string) => candidate === executable);
+        const { resolveCodexCommand } = await import('./codexExecutable');
+
+        expect(resolveCodexCommand()).toEqual({
+            command: executable,
+            args: []
+        });
+    });
+
+    it('falls back to node plus codex.js when a Windows shim has no native exe', async () => {
+        setPlatform('win32');
+        const shim = codexShimPath();
+        const script = codexScriptPath();
+        execFileSyncMock.mockImplementation((command: string, args: string[]) => {
+            if (command === 'where.exe' && args[0] === 'codex') {
+                return `${shim}\r\n`;
+            }
+            throw new Error('not found');
+        });
+        existsSyncMock.mockImplementation((candidate: string) => candidate === shim || candidate === script);
+        const { resolveCodexCommand } = await import('./codexExecutable');
+
+        expect(resolveCodexCommand()).toEqual({
+            command: 'node',
+            args: [script]
+        });
+    });
+
+    it('uses the plain codex command outside Windows', async () => {
+        setPlatform('linux');
+        const { resolveCodexCommand } = await import('./codexExecutable');
+
+        expect(resolveCodexCommand()).toEqual({
+            command: 'codex',
+            args: []
+        });
+    });
+});

cli/src/codex/utils/codexExecutable.ts

@@ -0,0 +1,75 @@
+import { execFileSync } from 'node:child_process';
+import { existsSync } from 'node:fs';
+import { homedir } from 'node:os';
+import path from 'node:path';
+
+const windowsPath = path.win32;
+
+export interface CodexCommand {
+    command: string;
+    args: string[];
+}
+
+function findWhereResults(command: string): string[] {
+    try {
+        const result = execFileSync('where.exe', [command], {
+            encoding: 'utf8',
+            stdio: ['pipe', 'pipe', 'pipe'],
+            cwd: homedir()
+        });
+
+        return result
+            .split(/\r?\n/)
+            .map((line) => line.trim())
+            .filter(Boolean);
+    } catch {
+        return [];
+    }
+}
+
+function resolveShimScript(shimPath: string): string | null {
+    const shimDirectory = windowsPath.dirname(shimPath);
+    const script = windowsPath.join(shimDirectory, 'node_modules', '@openai', 'codex', 'bin', 'codex.js');
+
+    if (existsSync(script)) {
+        return script;
+    }
+
+    return null;
+}
+
+function resolveWindowsCandidate(candidate: string): CodexCommand | null {
+    if (!existsSync(candidate)) {
+        return null;
+    }
+
+    if (windowsPath.extname(candidate).toLowerCase() === '.exe') {
+        return { command: candidate, args: [] };
+    }
+
+    const script = resolveShimScript(candidate);
+    if (script) {
+        return { command: 'node', args: [script] };
+    }
+
+    return null;
+}
+
+function resolveWindowsCodexCommand(): CodexCommand {
+    for (const candidate of findWhereResults('codex')) {
+        const resolved = resolveWindowsCandidate(candidate);
+        if (resolved) {
+            return resolved;
+        }
+    }
+
+    return { command: 'codex', args: [] };
+}
+
+export function resolveCodexCommand(): CodexCommand {
+    if (process.platform !== 'win32') {
+        return { command: 'codex', args: [] };
+    }
+
+    return resolveWindowsCodexCommand();
+}

cli/src/codex/utils/codexVersion.test.ts

@@ -1,9 +1,15 @@
+import { win32 } from 'node:path'
 import { beforeEach, describe, expect, it, vi } from 'vitest'
 
-const { spawnSyncMock } = vi.hoisted(() => ({
+const { resolveCodexCommandMock, spawnSyncMock } = vi.hoisted(() => ({
+    resolveCodexCommandMock: vi.fn(() => ({ command: 'codex', args: [] as string[] })),
     spawnSyncMock: vi.fn()
 }))
 
+vi.mock('./codexExecutable', () => ({
+    resolveCodexCommand: resolveCodexCommandMock
+}))
+
 vi.mock('cross-spawn', () => ({
     default: {
         sync: spawnSyncMock
@@ -17,8 +23,12 @@ import {
     parseCodexVersion
 } from './codexVersion'
 
+const codexScriptPath = win32.join('toolchains', 'nodejs', 'node_modules', '@openai', 'codex', 'bin', 'codex.js')
+
 describe('codexVersion', () => {
     beforeEach(() => {
+        resolveCodexCommandMock.mockReset()
+        resolveCodexCommandMock.mockReturnValue({ command: 'codex', args: [] as string[] })
         spawnSyncMock.mockReset()
     })
 
@@ -48,6 +58,27 @@ describe('codexVersion', () => {
     })
 
     describe('assertCodexLocalSupported', () => {
+        it('checks the resolved Codex command', () => {
+            resolveCodexCommandMock.mockReturnValue({
+                command: 'node',
+                args: [codexScriptPath]
+            })
+            spawnSyncMock.mockReturnValueOnce({
+                status: 0,
+                stdout: 'codex-cli 0.124.0\n',
+                stderr: ''
+            })
+
+            expect(() => assertCodexLocalSupported()).not.toThrow()
+            expect(spawnSyncMock).toHaveBeenCalledWith(
+                'node',
+                [codexScriptPath, '--version'],
+                expect.objectContaining({
+                    encoding: 'utf8'
+                })
+            )
+        })
+
         it('passes when codex is new enough', () => {
             spawnSyncMock.mockReturnValueOnce({
                 status: 0,
@@ -56,9 +87,6 @@ describe('codexVersion', () => {
             })
 
             expect(() => assertCodexLocalSupported()).not.toThrow()
-            expect(spawnSyncMock).toHaveBeenCalledWith('codex', ['--version'], expect.objectContaining({
-                encoding: 'utf8'
-            }))
         })
 
         it('fails when codex is too old', () => {

cli/src/codex/utils/codexVersion.ts

@@ -1,5 +1,6 @@
 import spawn from 'cross-spawn'
 import { withBunRuntimeEnv } from '@/utils/bunRuntime'
+import { resolveCodexCommand } from './codexExecutable'
 
 export const MIN_CODEX_HOOKS_VERSION = '0.124.0'
 
@@ -53,8 +54,9 @@ export function isCodexVersionAtLeast(version: string, minimum: string): boolean
 
 export function assertCodexLocalSupported(): void {
     let output: string
+    const codexCommand = resolveCodexCommand()
 
-    const result = spawn.sync('codex', ['--version'], {
+    const result = spawn.sync(codexCommand.command, [...codexCommand.args, '--version'], {
         encoding: 'utf8',
         env: withBunRuntimeEnv()
     })