fix(core): Use shell for spawn on Windows (#9995)

packages/core/src/ide/ide-installer.test.ts

@@ -119,7 +119,24 @@ describe('ide-installer', () => {
             'google.gemini-cli-vscode-ide-companion',
             '--force',
           ],
-          { stdio: 'pipe' },
+          { stdio: 'pipe', shell: false },
+        );
+      });
+
+      it('installs the extension using code cli on windows', async () => {
+        const { installer } = setup({
+          platform: 'win32',
+          execSync: () => 'C:\\Program Files\\Microsoft VS Code\\bin\\code.cmd',
+        });
+        await installer.install();
+        expect(child_process.spawnSync).toHaveBeenCalledWith(
+          'C:\\Program Files\\Microsoft VS Code\\bin\\code.cmd',
+          [
+            '--install-extension',
+            'google.gemini-cli-vscode-ide-companion',
+            '--force',
+          ],
+          { stdio: 'pipe', shell: true },
         );
       });
 

packages/core/src/ide/ide-installer.ts

@@ -125,7 +125,7 @@ class VsCodeInstaller implements IdeInstaller {
           'google.gemini-cli-vscode-ide-companion',
           '--force',
         ],
-        { stdio: 'pipe' },
+        { stdio: 'pipe', shell: this.platform === 'win32' },
       );
 
       if (result.status !== 0) {

packages/core/src/utils/editor.test.ts

@@ -339,6 +339,7 @@ describe('editor utils', () => {
           diffCommand.args,
           {
             stdio: 'inherit',
+            shell: process.platform === 'win32',
           },
         );
         expect(mockSpawnOn).toHaveBeenCalledWith('close', expect.any(Function));

packages/core/src/utils/editor.ts

@@ -195,6 +195,7 @@ export async function openDiff(
     return new Promise<void>((resolve, reject) => {
       const childProcess = spawn(diffCommand.command, diffCommand.args, {
         stdio: 'inherit',
+        shell: process.platform === 'win32',
       });
 
       childProcess.on('close', (code) => {