Back port convenience functions to Swift 1.2

Operations/Operations/GroupOperation.swift

@@ -68,6 +68,10 @@ public class GroupOperation: Operation {
         queue.addOperation(operation)
     }
 
+    public func addOperations(operations: [NSOperation]) {
+        queue.addOperations(operations, waitUntilFinished: false)
+    }
+
     final func aggregateError(error: ErrorType) {
         aggregateErrors.append(error)
     }

Operations/Operations/Operation.swift

@@ -386,8 +386,8 @@ extension NSOperation {
     }
 
     /// Add multiple depdendencies to the operation.
-    func addDependencies(dependencies: [NSOperation]) {
-        dependencies.map { self.addDependency($0) }
+    public func addDependencies(dependencies: [NSOperation]) {
+        dependencies.map(addDependency)
     }
 }
 

Operations/Queue/OperationQueue.swift

@@ -80,12 +80,6 @@ public class OperationQueue: NSOperationQueue {
     public override func addOperations(ops: [AnyObject], waitUntilFinished wait: Bool) {
         if let ops = ops as? [NSOperation] {
             ops.map(addOperation)
-
-            if wait {
-                for operation in operations {
-                    operation.waitUntilFinished()
-                }
-            }
         }
     }
 

OperationsTests/GroupOperationTests.swift

@@ -63,6 +63,21 @@ class GroupOperationTests: OperationTests {
         waitForExpectationsWithTimeout(5, handler: nil)
         XCTAssertTrue(group.finished)
     }
+
+    func test__that_adding_multiple_operations_to_a_group_works() {
+        let group = GroupOperation(operations: [])
+        let operations: [TestOperation] = (0..<3).map { _ in TestOperation() }
+        group.addOperations(operations)
+
+        addCompletionBlockToTestOperation(group, withExpectation: expectationWithDescription("Test: \(__FUNCTION__)"))
+        runOperation(group)
+        waitForExpectationsWithTimeout(3, handler: nil)
+
+        XCTAssertTrue(group.finished)
+        XCTAssertTrue(operations[0].didExecute)
+        XCTAssertTrue(operations[1].didExecute)
+        XCTAssertTrue(operations[2].didExecute)
+    }
 }