Fixes #28489: Bug with tasks in realease 1.13

src/vs/workbench/parts/tasks/node/taskConfiguration.ts

@@ -854,26 +854,28 @@ namespace CommandConfiguration {
 			runtime: undefined,
 			presentation: undefined
 		};
-		fillProperty(target, source, 'name');
+		if (target.name === void 0) {
+			fillProperty(target, source, 'name');
+			fillProperty(target, source, 'taskSelector');
+			fillProperty(target, source, 'suppressTaskName');
+			let args: string[] = source.args ? source.args.slice() : [];
+			if (!target.suppressTaskName) {
+				if (target.taskSelector !== void 0) {
+					args.push(target.taskSelector + taskName);
+				} else {
+					args.push(taskName);
+				}
+			}
+			if (target.args) {
+				args = args.concat(target.args);
+			}
+			target.args = args;
+		}
 		fillProperty(target, source, 'runtime');
-		fillProperty(target, source, 'taskSelector');
-		fillProperty(target, source, 'suppressTaskName');
 
 		target.presentation = PresentationOptions.fillProperties(target.presentation, source.presentation);
 		target.options = CommandOptions.fillProperties(target.options, source.options);
 
-		let args: string[] = source.args ? source.args.slice() : [];
-		if (!target.suppressTaskName) {
-			if (target.taskSelector !== void 0) {
-				args.push(target.taskSelector + taskName);
-			} else {
-				args.push(taskName);
-			}
-		}
-		if (target.args) {
-			args = args.concat(target.args);
-		}
-		target.args = args;
 		return target;
 	}
 

src/vs/workbench/parts/tasks/test/electron-browser/configuration.test.ts

@@ -1530,4 +1530,30 @@ suite('Bugs / regression tests', () => {
 			testConfiguration(external, builder);
 		}
 	});
+
+	test('Bug 28489', () => {
+		let external = {
+			version: '0.1.0',
+			command: '',
+			isShellCommand: true,
+			args: [''],
+			showOutput: 'always',
+			'tasks': [
+				{
+					taskName: 'build',
+					command: 'bash',
+					args: [
+						'build.sh'
+					]
+				}
+			]
+		};
+		let builder = new ConfiguationBuilder();
+		builder.task('build', 'bash').
+			group(Tasks.TaskGroup.Build).
+			command().suppressTaskName(true).
+			args(['build.sh']).
+			runtime(Tasks.RuntimeType.Shell);
+		testConfiguration(external, builder);
+	});
 });