set dependency manager to SPM

Package.swift

@@ -7,6 +7,6 @@ let package = Package(
     .library(name: "Swiftline", targets: ["Swiftline"]),
   ],
   targets: [
-    .target(name: "Swiftline", path: "Source"),
+    .target(name: "Swiftline"),
   ]
 )

Source/Choose.swift → Source/Swiftline/Choose.swift

@@ -16,6 +16,7 @@
 
  - returns: The user selected item
  */
+@discardableResult
 public func choose(_ prompt: String, choices: String...) -> String {
     return choose(prompt, type: String.self) {
         for choice in choices {

Source/Runner.swift → Source/Swiftline/Runner.swift

@@ -17,35 +17,41 @@ class 🏃{
         return run(command, args: [], settings: initalSettings).exitStatus
     }
 
+    @discardableResult
     class func run(_ command: String, args: String...) -> RunResults {
         return run(command, args: args as [String])
     }
 
+    @discardableResult
     class func run(_ command: String, args: [String]) -> RunResults {
         let settings = RunSettings()
         return run(command, args: args, settings: settings)
     }
 
+    @discardableResult
     class func run(_ command: String, settings: ((RunSettings) -> Void)) -> RunResults {
         let initalSettings = RunSettings()
         settings(initalSettings)
 
         return run(command, args: [], settings: initalSettings)
     }
 
+    @discardableResult
     class func run(_ command: String, args: [String], settings: ((RunSettings) -> Void)) -> RunResults {
         let initalSettings = RunSettings()
         settings(initalSettings)
 
         return run(command, args: args, settings: initalSettings)
     }
 
+    @discardableResult
     class func run(_ command: String, echo: EchoSettings) -> RunResults {
         let initalSettings = RunSettings()
         initalSettings.echo = echo
         return run(command, args: [], settings: initalSettings)
     }
 
+    @discardableResult
     class func run(_ command: String, args: [String], settings: RunSettings) -> RunResults {
 
         let commandParts = commandToRun(command, args: args)

Swiftline.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -0,0 +1,25 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "Nimble",
+        "repositoryURL": "[email protected]:Quick/Nimble.git",
+        "state": {
+          "branch": null,
+          "revision": "f8657642dfdec9973efc79cc68bcef43a653a2bc",
+          "version": "8.0.2"
+        }
+      },
+      {
+        "package": "Quick",
+        "repositoryURL": "[email protected]:Quick/Quick.git",
+        "state": {
+          "branch": null,
+          "revision": "94df9b449508344667e5afc7e80f8bcbff1e4c37",
+          "version": "2.1.0"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Swiftline.xcodeproj/xcshareddata/xcschemes/Swiftline.xcscheme

@@ -29,8 +29,6 @@
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </TestAction>
    <LaunchAction
       buildConfiguration = "Debug"
@@ -51,8 +49,6 @@
             ReferencedContainer = "container:Swiftline.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
    </LaunchAction>
    <ProfileAction
       buildConfiguration = "Release"

Swiftline.xcodeproj/xcshareddata/xcschemes/SwiftlineTests.xcscheme

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1100"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+         <TestableReference
+            skipped = "NO">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "8B6AA75B23042E370008C1D0"
+               BuildableName = "SwiftlineTests.xctest"
+               BlueprintName = "SwiftlineTests"
+               ReferencedContainer = "container:Swiftline.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>