Fixed exit code issues with promises

src/vs/workbench/contrib/terminal/node/terminalProcess.ts

@@ -73,7 +73,7 @@ export class TerminalProcess implements ITerminalChildProcess, IDisposable {
 				return Promise.reject(SHELL_CWD_INVALID_EXIT_CODE);
 			}
 			return;
-		}).catch((err) => {
+		}, err => {
 			if (err && err.code === 'ENOENT') {
 				// So we can include in the error message the specified CWD
 				shellLaunchConfig.cwd = cwd;
@@ -87,7 +87,7 @@ export class TerminalProcess implements ITerminalChildProcess, IDisposable {
 				return Promise.reject(stat.isDirectory() ? SHELL_PATH_DIRECTORY_EXIT_CODE : SHELL_PATH_INVALID_EXIT_CODE);
 			}
 			return;
-		}).catch(async (err) => {
+		}, async (err) => {
 			if (err && err.code === 'ENOENT') {
 				let cwd = shellLaunchConfig.cwd instanceof URI ? shellLaunchConfig.cwd.path : shellLaunchConfig.cwd!;
 				const executable = await findExecutable(shellLaunchConfig.executable!, cwd);
@@ -95,7 +95,6 @@ export class TerminalProcess implements ITerminalChildProcess, IDisposable {
 					return Promise.reject(SHELL_PATH_INVALID_EXIT_CODE);
 				}
 			}
-			return;
 		});
 
 		Promise.all([cwdVerification, exectuableVerification]).then(() => {