Include virtual workspace check for task type enablment

extensions/grunt/package.json

@@ -67,7 +67,8 @@
             "type": "string",
             "description": "%grunt.taskDefinition.file.description%"
           }
-        }
+        },
+        "when": "shellExecutionSupported"
       }
     ]
   },

extensions/gulp/package.json

@@ -63,7 +63,8 @@
             "type": "string",
             "description": "%gulp.taskDefinition.file.description%"
           }
-        }
+        },
+        "when": "shellExecutionSupported"
       }
     ]
   },

extensions/jake/package.json

@@ -63,7 +63,8 @@
             "type": "string",
             "description": "%jake.taskDefinition.file.description%"
           }
-        }
+        },
+        "when": "shellExecutionSupported"
       }
     ]
   },

extensions/typescript-language-features/package.json

@@ -1114,7 +1114,8 @@
           "option": {
             "type": "string"
           }
-        }
+        },
+        "when": "shellExecutionSupported"
       }
     ],
     "problemPatterns": [

src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts

@@ -81,6 +81,7 @@ import { ILogService } from 'vs/platform/log/common/log';
 import { once } from 'vs/base/common/functional';
 import { ThemeIcon } from 'vs/platform/theme/common/themeService';
 import { IWorkspaceTrustRequestService } from 'vs/platform/workspace/common/workspaceTrust';
+import { VirtualWorkspaceContext } from 'vs/workbench/browser/contextkeys';
 
 const QUICKOPEN_HISTORY_LIMIT_CONFIG = 'task.quickOpen.history';
 const PROBLEM_MATCHER_NEVER_CONFIG = 'task.problemMatchers.neverPrompt';
@@ -343,13 +344,14 @@ export abstract class AbstractTaskService extends Disposable implements ITaskSer
 			const customContext = CustomExecutionSupportedContext.bindTo(this.contextKeyService);
 			customContext.set(custom);
 		}
+		const isVirtual = !!VirtualWorkspaceContext.getValue(this.contextKeyService);
 		if (shell !== undefined) {
 			const shellContext = ShellExecutionSupportedContext.bindTo(this.contextKeyService);
-			shellContext.set(shell);
+			shellContext.set(shell && !isVirtual);
 		}
 		if (process !== undefined) {
 			const processContext = ProcessExecutionSupportedContext.bindTo(this.contextKeyService);
-			processContext.set(process);
+			processContext.set(process && !isVirtual);
 		}
 		this._onDidRegisterSupportedExecutions.fire();
 	}