Shell fix and some other quick prettiness for output

Sources/Slurp/BasicTask.swift

@@ -15,9 +15,18 @@ public protocol SlurpTask {
 
     associatedtype OutputType
 
+    var name: String { get }
+
     func onPipe<U>(from input: U) -> Observable<OutputType>
 }
 
+extension SlurpTask {
+
+    public var name: String {
+        return String(describing: self)
+    }
+}
+
 public class RegisteredTask {
 
     let name: String

Sources/Slurp/Rx+Extensions.swift

@@ -33,6 +33,7 @@ extension ObservableType {
 
     public func pipe<S: SlurpTask>(to: S) -> Observable<S.OutputType> {
         return flatMap({ (element) -> Observable<S.OutputType> in
+            print("\n----- Running \(to.name) \n")
             return to.onPipe(from: element)
         })
     }

Sources/Slurp/Shell.swift

@@ -59,10 +59,12 @@ open class Shell: SlurpTask {
     public static func createObservable(arguments: [String]) -> Observable<(Int32, String?)> {
         return Observable<(Int32, String?)>.create({ (observer) -> Disposable in
 
-            print("$", arguments.joined(separator: " "))
+            let command = arguments.joined(separator: " ")
+            print("$", command)
+
             let process = Slurp.processType.init()
             process.launchPath = "/bin/bash"
-            process.arguments = ["-c"] + arguments
+            process.arguments = ["-c", command]
 
             if let cwd = Slurp.currentWorkingDirectory {
                 process.currentWorkingDirectory = Path(cwd).absolute().string

Sources/Slurp/Slurp.swift

@@ -51,6 +51,7 @@ public class Slurp {
     }
 
     public func startWith<S: SlurpTask>(_ task: S) -> Observable<S.OutputType> {
+        print("\n----- Running \(task.name) \n")
         return task.onPipe(from: ())
     }
 

Sources/SlurpXCTools/ApplicationLoader.swift

@@ -55,6 +55,13 @@ public class ApplicationLoader: Shell {
         }
 
         super.init(arguments: arguments)
+
+        let shellObs = self.observable
+        self.observable = Observable.just(())
+            .flatMap({ () -> Observable<(Int32, String?)> in
+                print("\n--- Uploading App, this may take several minutes\n")
+                return shellObs
+            })
     }
 
 }