Fixed slow livesync

Author: Tsvetan Raikov

lib/common

@@ -31,6 +31,14 @@ export class IOSAppIdentifier extends deviceAppDataBaseLib.DeviceAppDataBase imp
 		return this.getDeviceProjectRootPath(this._deviceProjectRootPath);
 	}
 
+	public get deviceSyncZipPath(): string {
+		if (this.device.isEmulator) {
+			return undefined;
+		} else {
+			return "Library/Application Support/LiveSync/sync.zip";
+		}
+	}
+
 	public isLiveSyncSupported(): IFuture<boolean> {
 		return Future.fromResult(true);
 	}

lib/providers/device-app-data-provider.ts

@@ -1,11 +1,13 @@
 import * as path from "path";
+import * as temp from "temp";
 
 export class LiveSyncProvider implements ILiveSyncProvider {
 	constructor(private $androidLiveSyncServiceLocator: {factory: Function},
 		private $iosLiveSyncServiceLocator: {factory: Function},
 		private $platformService: IPlatformService,
 		private $platformsData: IPlatformsData,
-		private $logger: ILogger) { }
+		private $logger: ILogger,
+		private $childProcess: IChildProcess) { }
 
 	private static FAST_SYNC_FILE_EXTENSIONS = [".css", ".xml"];
 
@@ -54,5 +56,25 @@ export class LiveSyncProvider implements ILiveSyncProvider {
 		let fastSyncFileExtensions = LiveSyncProvider.FAST_SYNC_FILE_EXTENSIONS.concat(platformData.fastLivesyncFileExtensions);
 		return _.contains(fastSyncFileExtensions, path.extname(filePath));
 	}
+
+	public transferFiles(deviceAppData: Mobile.IDeviceAppData, localToDevicePaths: Mobile.ILocalToDevicePathData[], projectFilesPath: string, isFullSync: boolean): IFuture<void> {
+		return (() => {
+			if (deviceAppData.platform.toLowerCase() === "android" || !deviceAppData.deviceSyncZipPath || !isFullSync) {
+				deviceAppData.device.fileSystem.transferFiles(deviceAppData, localToDevicePaths).wait();
+			} else {
+				temp.track();
+				let tempZip = temp.path({prefix: "sync", suffix: ".zip"});
+				this.$logger.trace("Creating zip file: " + tempZip);
+				this.$childProcess.spawnFromEvent("zip", [ "-r", "-0", tempZip, "app" ], "close", { cwd: path.dirname(projectFilesPath) }).wait();
+
+				deviceAppData.device.fileSystem.transferFiles(deviceAppData, [{
+					getLocalPath: () => tempZip,
+					getDevicePath: () => deviceAppData.deviceSyncZipPath,
+					getRelativeToProjectBasePath: () => "../sync.zip",
+					deviceProjectRootPath: deviceAppData.deviceProjectRootPath
+				}]).wait();
+			}
+		}).future<void>()();
+	}
 }
 $injector.register("liveSyncProvider", LiveSyncProvider);