Relaunch agent if updated (#86)

Secretive.xcodeproj/project.pbxproj

@@ -10,6 +10,8 @@
 		50020BB024064869003D4025 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50020BAF24064869003D4025 /* AppDelegate.swift */; };
 		5018F54F24064786002EB505 /* Notifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5018F54E24064786002EB505 /* Notifier.swift */; };
 		50524B442420969E008DBD97 /* OpenSSHWriterTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50524B432420969D008DBD97 /* OpenSSHWriterTests.swift */; };
+		50571E0324393C2600F76F6C /* JustUpdatedChecker.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50571E0224393C2600F76F6C /* JustUpdatedChecker.swift */; };
+		50571E0524393D1500F76F6C /* LaunchAgentController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50571E0424393D1500F76F6C /* LaunchAgentController.swift */; };
 		50617D8323FCE48E0099B055 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50617D8223FCE48E0099B055 /* AppDelegate.swift */; };
 		50617D8523FCE48E0099B055 /* ContentView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 50617D8423FCE48E0099B055 /* ContentView.swift */; };
 		50617D8723FCE48E0099B055 /* Assets.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 50617D8623FCE48E0099B055 /* Assets.xcassets */; };
@@ -206,6 +208,8 @@
 		50020BAF24064869003D4025 /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		5018F54E24064786002EB505 /* Notifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Notifier.swift; sourceTree = "<group>"; };
 		50524B432420969D008DBD97 /* OpenSSHWriterTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpenSSHWriterTests.swift; sourceTree = "<group>"; };
+		50571E0224393C2600F76F6C /* JustUpdatedChecker.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = JustUpdatedChecker.swift; sourceTree = "<group>"; };
+		50571E0424393D1500F76F6C /* LaunchAgentController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LaunchAgentController.swift; sourceTree = "<group>"; };
 		50617D7F23FCE48E0099B055 /* Secretive.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Secretive.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		50617D8223FCE48E0099B055 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
 		50617D8423FCE48E0099B055 /* ContentView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ContentView.swift; sourceTree = "<group>"; };
@@ -512,6 +516,8 @@
 			isa = PBXGroup;
 			children = (
 				508A58B2241ED2180069DC07 /* AgentStatusChecker.swift */,
+				50571E0224393C2600F76F6C /* JustUpdatedChecker.swift */,
+				50571E0424393D1500F76F6C /* LaunchAgentController.swift */,
 			);
 			path = Controllers;
 			sourceTree = "<group>";
@@ -916,10 +922,12 @@
 			files = (
 				50C385A9240B636500AF2719 /* SetupView.swift in Sources */,
 				50617D8523FCE48E0099B055 /* ContentView.swift in Sources */,
+				50571E0324393C2600F76F6C /* JustUpdatedChecker.swift in Sources */,
 				50617DD223FCEFA90099B055 /* PreviewStore.swift in Sources */,
 				508A58B3241ED2180069DC07 /* AgentStatusChecker.swift in Sources */,
 				50C385A52407A76D00AF2719 /* SecretDetailView.swift in Sources */,
 				5099A02423FD2AAA0062B6F2 /* CreateSecretView.swift in Sources */,
+				50571E0524393D1500F76F6C /* LaunchAgentController.swift in Sources */,
 				50B8550D24138C4F009958AC /* DeleteSecretView.swift in Sources */,
 				50BB046B2418AAAE00D6E079 /* EmptyStoreView.swift in Sources */,
 				50731669241E00C20023809E /* NoticeView.swift in Sources */,

Secretive/AppDelegate.swift

@@ -17,6 +17,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
     }()
     let updater = Updater()
     let agentStatusChecker = AgentStatusChecker()
+    let justUpdatedChecker = JustUpdatedChecker()
 
     func applicationDidFinishLaunching(_ aNotification: Notification) {
         let contentView = ContentView(storeList: storeList, updater: updater, agentStatusChecker: agentStatusChecker, runSetupBlock: { self.runSetup(sender: nil) })
@@ -40,6 +41,7 @@ class AppDelegate: NSObject, NSApplicationDelegate {
             newMenuItem.isEnabled = true
         }
         runSetupIfNeeded()
+        relaunchAgentIfNeeded()
     }
 
     func applicationDidBecomeActive(_ notification: Notification) {
@@ -89,6 +91,12 @@ extension AppDelegate {
         }
     }
 
+    func relaunchAgentIfNeeded() {
+        if agentStatusChecker.running && justUpdatedChecker.justUpdated {
+            LaunchAgentController().relaunch()
+        }
+    }
+
 }
 
 extension AppDelegate {

Secretive/Controllers/JustUpdatedChecker.swift

@@ -0,0 +1,36 @@
+import Foundation
+import Combine
+import AppKit
+
+protocol JustUpdatedCheckerProtocol: ObservableObject {
+    var justUpdated: Bool { get }
+}
+
+class JustUpdatedChecker: ObservableObject, JustUpdatedCheckerProtocol {
+
+    @Published var justUpdated: Bool = false
+
+    init() {
+        check()
+    }
+
+    func check() {
+        let lastBuild = UserDefaults.standard.object(forKey: Constants.previousVersionUserDefaultsKey) as? String ?? "None"
+        let currentBuild = Bundle.main.infoDictionary!["CFBundleShortVersionString"] as! String
+        UserDefaults.standard.set(currentBuild, forKey: Constants.previousVersionUserDefaultsKey)
+        if lastBuild != currentBuild {
+            justUpdated = true
+        }
+    }
+
+
+
+}
+
+extension JustUpdatedChecker {
+
+    enum Constants {
+        static let previousVersionUserDefaultsKey = "com.maxgoedjen.Secretive.lastBuild"
+    }
+
+}

Secretive/Controllers/LaunchAgentController.swift

@@ -0,0 +1,19 @@
+import Foundation
+import ServiceManagement
+
+struct LaunchAgentController {
+
+    func install() -> Bool {
+        setEnabled(true)
+    }
+
+    func relaunch() {
+        _ = setEnabled(false)
+        _ = setEnabled(true)
+    }
+
+    private func setEnabled(_ enabled: Bool) -> Bool {
+        SMLoginItemSetEnabled("com.maxgoedjen.Secretive.SecretAgent" as CFString, enabled)
+    }
+
+}

Secretive/Views/SetupView.swift

@@ -1,6 +1,5 @@
 import Foundation
 import SwiftUI
-import ServiceManagement
 
 struct SetupView: View {
     
@@ -117,7 +116,7 @@ struct SetupStepCommandView: View {
 extension SetupView {
     
     func installLaunchAgent() -> Bool {
-        SMLoginItemSetEnabled("com.maxgoedjen.Secretive.SecretAgent" as CFString, true)
+        LaunchAgentController().install()
     }
     
     func markAsDone() -> Bool {