Add option for disabling simulated location

sources/coordinate.swift

@@ -1,6 +1,6 @@
 import CoreLocation
 
-func coordinate(from arguments: [String]) -> Result<CLLocationCoordinate2D> {
+func coordinate(from arguments: [String]) -> Result<CLLocationCoordinate2D?> {
     if arguments.count != 2 {
         return .failure("Incorrect number of arguments, expected 2 got \(arguments.count)")
     }

sources/delete.swift

@@ -0,0 +1,5 @@
+import CoreLocation
+
+func delete(_: [String]) -> Result<CLLocationCoordinate2D?> {
+    return .success(nil)
+}

sources/main.swift

@@ -10,6 +10,7 @@ guard let flag = arguments.popFirst() else {
 
 let commands = [
     "-c": coordinate,
+    "-d": delete,
     "-q": findLocation,
 ]
 
@@ -18,20 +19,24 @@ guard let command = commands[flag] else {
 }
 
 switch command(Array(arguments)) {
-    case .success(let coordinate) where coordinate.isValid:
+    case .success(let coordinate) where coordinate?.isValid != false:
         do {
             let bootedSimulators = try getBootedSimulators()
             let simulators =
                 try deviceUUID.map { try getSimulators(with: $0, from: bootedSimulators) }
                 ?? deviceName.map { try getSimulators(named: $0, from: bootedSimulators) }
                 ?? bootedSimulators
             postNotification(for: coordinate, to: simulators.map { $0.udid.uuidString })
-            print("Setting location to \(coordinate.latitude) \(coordinate.longitude)")
+            if let coordinate = coordinate {
+                print("Setting location to \(coordinate.latitude) \(coordinate.longitude)")
+            } else {
+                print("Clearing location")
+            }
         } catch let error as SimulatorFetchError {
             exitWithUsage(error: error.description)
         }
     case .success(let coordinate):
-        exitWithUsage(error: "Coordinate: \(coordinate) is invalid")
+        exitWithUsage(error: "Coordinate: \(String(describing: coordinate)) is invalid")
     case .failure(let error):
         exitWithUsage(error: error)
 }

sources/notification.swift

@@ -3,13 +3,16 @@ import Foundation
 
 private let kNotificationName = "com.apple.iphonesimulator.simulateLocation"
 
-func postNotification(for coordinate: CLLocationCoordinate2D, to simulators: [String]) {
-    let userInfo: [AnyHashable: Any] = [
-        "simulateLocationLatitude": coordinate.latitude,
-        "simulateLocationLongitude": coordinate.longitude,
+func postNotification(for coordinate: CLLocationCoordinate2D?, to simulators: [String]) {
+    var userInfo: [AnyHashable: Any] = [
         "simulateLocationDevices": simulators,
     ]
 
+    if let coordinate = coordinate {
+        userInfo["simulateLocationLatitude"] = coordinate.latitude
+        userInfo["simulateLocationLongitude"] = coordinate.longitude
+    }
+
     let notification = Notification(name: Notification.Name(rawValue: kNotificationName), object: nil,
                                     userInfo: userInfo)
 

sources/query.swift

@@ -2,7 +2,7 @@ import CoreLocation
 import Foundation
 import MapKit
 
-func findLocation(from arguments: [String]) -> Result<CLLocationCoordinate2D> {
+func findLocation(from arguments: [String]) -> Result<CLLocationCoordinate2D?> {
     if arguments.isEmpty {
         return .failure("No arguments passed for location search")
     }

sources/stderr.swift

@@ -13,7 +13,7 @@ func exitWithUsage(error: String? = nil) -> Never {
         print(error, terminator: "\n\n", to: &stderrStream)
     }
 
-    print("Usage: set-simulator-location [-c 0 0|-q San Francisco] [-s Simulator Name|-u Simulator udid]",
+    print("Usage: set-simulator-location [-c 0 0|-q San Francisco|-d] [-s Simulator Name|-u Simulator udid]",
           to: &stderrStream)
     exit(EXIT_FAILURE)
 }