Enable file links when task terminals complete

packages/task/src/browser/task-terminal-widget-manager.ts

@@ -23,6 +23,7 @@ import { PanelKind, TaskConfiguration, TaskWatcher, TaskExitedEvent, TaskServer,
 import { ProcessTaskInfo } from '../common/process/task-protocol';
 import { TaskDefinitionRegistry } from './task-definition-registry';
 import { WorkspaceService } from '@theia/workspace/lib/browser/workspace-service';
+import URI from '@theia/core/lib/common/uri';
 
 export interface TaskTerminalWidget extends TerminalWidget {
     readonly kind: 'task';
@@ -195,10 +196,13 @@ export class TaskTerminalWidgetManager {
         }
 
         // we are unable to find a terminal widget to run the task, or `taskPresentation === 'new'`
+        const lastCwd = new URI(taskConfig?.options.cwd);
         if (!reusableTerminalWidget) {
             const widget = await this.newTaskTerminal(factoryOptions);
+            widget.lastCwd = lastCwd;
             return { isNew: true, widget };
         }
+        reusableTerminalWidget.lastCwd = lastCwd;
         return { isNew: false, widget: reusableTerminalWidget };
     }
 

packages/terminal/src/browser/base/terminal-widget.ts

@@ -45,6 +45,9 @@ export abstract class TerminalWidget extends BaseWidget {
 
     abstract readonly dimensions: TerminalDimensions;
 
+    /** The last CWD assigned to the terminal, useful when attempting getCwdURI on a task terminal fails */
+    lastCwd: URI | undefined;
+
     /**
      * Start terminal and return terminal id.
      * @param id - terminal id.

packages/terminal/src/browser/terminal-widget-impl.ts

@@ -61,6 +61,7 @@ export class TerminalWidgetImpl extends TerminalWidget implements StatefulWidget
     protected hoverMessage: HTMLDivElement;
     protected lastTouchEnd: TouchEvent | undefined;
     protected isAttachedCloseListener: boolean = false;
+    lastCwd: URI;
 
     @inject(WorkspaceService) protected readonly workspaceService: WorkspaceService;
     @inject(WebSocketConnectionProvider) protected readonly webSocketConnectionProvider: WebSocketConnectionProvider;
@@ -298,7 +299,10 @@ export class TerminalWidgetImpl extends TerminalWidget implements StatefulWidget
         }
         if (this.terminalService.getById(this.id)) {
             return this.shellTerminalServer.getCwdURI(this.terminalId)
-                .then(cwdUrl => new URI(cwdUrl));
+                .then(cwdUrl => {
+                    this.lastCwd = new URI(cwdUrl);
+                    return this.lastCwd;
+                }).catch(() => this.lastCwd);
         }
         return Promise.resolve(new URI());
     }