Configure plugin provided workspace tasks under a root folder

Signed-off-by: Alvaro Sanchez-Leon <alvaro.sanchez-leon@ericsson.com>

packages/task/src/browser/task-configuration-manager.ts

@@ -172,6 +172,11 @@ export class TaskConfigurationManager {
         return this.models.get(scope);
     }
 
+    findFirstWorkSpaceFolder(): string | undefined {
+        const firstWorkSpaceFolder = Array.from(this.models.keys()).find(mScope => typeof mScope === 'string');
+        return typeof firstWorkSpaceFolder === 'string' ? firstWorkSpaceFolder : undefined;
+    }
+
     protected async doOpen(model: TaskConfigurationModel, configURI: URI): Promise<EditorWidget | undefined> {
         if (!model.uri) {
             // The file has not yet been created.

packages/task/src/browser/task-service.ts

@@ -49,6 +49,7 @@ import {
     TaskInfo,
     TaskOutputPresentation,
     TaskOutputProcessedEvent,
+    TaskScope,
     TaskServer
 } from '../common';
 import { TaskWatcher } from '../common/task-watcher';
@@ -1105,7 +1106,20 @@ export class TaskService implements TaskConfigurationClient {
      * @param task The task to configure
      */
     async configure(token: number, task: TaskConfiguration): Promise<void> {
-        Object.assign(task, { label: this.taskNameResolver.resolve(task) });
+        const adaptedProperties: {label: string, _scope?: string} = {label: this.taskNameResolver.resolve(task)};
+
+        // Configure plugin provided tasks of workspace scope in the first root folder
+        // we identify provided workspace tasks by the presence of the "scope" property.
+        if (!!task.scope && task.scope === TaskScope.Workspace) {
+            const firstWorkspaceFolder = this.taskConfigurationManager.findFirstWorkSpaceFolder();
+            if (firstWorkspaceFolder === undefined) {
+                console.log('Unable to save configuration as no workspace root folder exist');
+                return;
+            }
+            adaptedProperties._scope = firstWorkspaceFolder;
+        }
+
+        Object.assign(task, adaptedProperties);
         await this.taskConfigurations.configure(token, task);
     }