Adapt terminal widget to the upstream (#750)

* Add processInfo to terminal widget

Signed-off-by: svor <vsvydenk@redhat.com>

extensions/eclipse-che-theia-terminal/src/browser/terminal-widget/remote-terminal-widget.ts

@@ -10,7 +10,7 @@
 
 import { injectable, inject, postConstruct } from 'inversify';
 import { TerminalWidgetImpl } from '@theia/terminal/lib/browser/terminal-widget-impl';
-import { IBaseTerminalServer } from '@theia/terminal/lib/common/base-terminal-protocol';
+import { IBaseTerminalServer, TerminalProcessInfo } from '@theia/terminal/lib/common/base-terminal-protocol';
 import { TerminalProxyCreatorProvider } from '../server-definition/terminal-proxy-creator';
 import { ATTACH_TERMINAL_SEGMENT, RemoteTerminalServerProxy, RemoteTerminalWatcher } from '../server-definition/remote-terminal-protocol';
 import { RemoteWebSocketConnectionProvider } from '../server-definition/remote-connection';
@@ -199,6 +199,15 @@ export class RemoteTerminalWidget extends TerminalWidgetImpl {
         })();
     }
 
+    get processInfo(): Promise<TerminalProcessInfo> {
+        return (async () => {
+            if (!IBaseTerminalServer.validateId(this.terminalId)) {
+                throw new Error('terminal is not started');
+            }
+            return { executable: '/bin/bash', arguments: [] };
+        })();
+    }
+
     protected async connectSocket(id: number): Promise<void> {
         if (this.socket) {
             return Promise.resolve();