Update app icon once for each build version update.

Author: es-kumagai

OpenTerminal.xcodeproj/project.pbxproj

@@ -25,6 +25,7 @@
 		B19FD9FE1FD5A14700A0864A /* FinderWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = B19FD9FD1FD5A14700A0864A /* FinderWindow.swift */; };
 		B19FDA001FD5A16400A0864A /* FinderFinderWindow.swift in Sources */ = {isa = PBXBuildFile; fileRef = B19FD9FF1FD5A16400A0864A /* FinderFinderWindow.swift */; };
 		B1AED4B028369EA3004B2A19 /* Icon.swift in Sources */ = {isa = PBXBuildFile; fileRef = B1AED4AF28369C94004B2A19 /* Icon.swift */; };
+		B1AED4B22836B247004B2A19 /* AppInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = B1AED4B12836B1F2004B2A19 /* AppInfo.swift */; };
 		B1FF6E1E210948E30056E3C0 /* AppleScript.swift in Sources */ = {isa = PBXBuildFile; fileRef = B1FF6E1D210948E30056E3C0 /* AppleScript.swift */; };
 /* End PBXBuildFile section */
 
@@ -54,6 +55,7 @@
 		B19FD9FD1FD5A14700A0864A /* FinderWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FinderWindow.swift; sourceTree = "<group>"; };
 		B19FD9FF1FD5A16400A0864A /* FinderFinderWindow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FinderFinderWindow.swift; sourceTree = "<group>"; };
 		B1AED4AF28369C94004B2A19 /* Icon.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Icon.swift; sourceTree = "<group>"; };
+		B1AED4B12836B1F2004B2A19 /* AppInfo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppInfo.swift; sourceTree = "<group>"; };
 		B1FF6E1D210948E30056E3C0 /* AppleScript.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppleScript.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
@@ -110,6 +112,7 @@
 			children = (
 				B19FD9A91FD51BE800A0864A /* main.swift */,
 				B1AED4AF28369C94004B2A19 /* Icon.swift */,
+				B1AED4B12836B1F2004B2A19 /* AppInfo.swift */,
 				B108F89720EE3F230020BA08 /* Alert.swift */,
 				B108F88A20EE33F90020BA08 /* URL.swift */,
 				B108F88C20EE37240020BA08 /* Settings.swift */,
@@ -238,6 +241,7 @@
 				B19FD9EB1FD5552800A0864A /* FinderApplication.swift in Sources */,
 				B108F89020EE398C0020BA08 /* AppleTerminal.swift in Sources */,
 				B1AED4B028369EA3004B2A19 /* Icon.swift in Sources */,
+				B1AED4B22836B247004B2A19 /* AppInfo.swift in Sources */,
 				B108F89420EE3A390020BA08 /* iTerm2.swift in Sources */,
 				B19FD9F11FD5552800A0864A /* TerminalApplication.swift in Sources */,
 				B19FD9D61FD538B000A0864A /* main.swift in Sources */,
@@ -369,7 +373,7 @@
 				CODE_SIGN_IDENTITY = "-";
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
-				CURRENT_PROJECT_VERSION = 7;
+				CURRENT_PROJECT_VERSION = 8;
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = Sources/OpenTerminal/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
@@ -392,7 +396,7 @@
 				CODE_SIGN_STYLE = Manual;
 				COMBINE_HIDPI_IMAGES = YES;
 				COPY_PHASE_STRIP = YES;
-				CURRENT_PROJECT_VERSION = 7;
+				CURRENT_PROJECT_VERSION = 8;
 				DEVELOPMENT_TEAM = "";
 				INFOPLIST_FILE = Sources/OpenTerminal/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";

Sources/OpenTerminal/AppInfo.swift

@@ -0,0 +1,53 @@
+//
+//  AppInfo.swift
+//  OpenTerminal
+//  
+//  Created by Tomohiro Kumagai on 2022/05/20
+//  Copyright © 2022 EasyStyle G.K. All rights reserved.
+//
+
+import AppKit
+
+struct AppInfo {
+	
+	private static let buildVersionKey = "CFBundleVersion"
+	private static let lastLaunchedBuildVersionKey = "LastLaunchedBuildVersion"
+	
+	static var buildVersion: Int {
+		
+		guard let rawVersion = Bundle.main.object(forInfoDictionaryKey: buildVersionKey) as? String else {
+			
+			fatalError("Failed to get current build version.")
+		}
+		
+		guard let version = Int(rawVersion, radix: 10) else {
+			
+			fatalError("Invalid build version: \(rawVersion)")
+		}
+		
+		return version
+	}
+	
+	static var lastLaunchedBuildVersion: Int {
+		
+		get {
+			
+			UserDefaults.standard.integer(forKey: lastLaunchedBuildVersionKey)
+		}
+		
+		set (version) {
+			
+			UserDefaults.standard.set(version, forKey: lastLaunchedBuildVersionKey)
+		}
+	}
+	
+	static var effectiveAppIcon: NSImage {
+		
+		NSImage(named: "EffectiveAppIcon")!
+	}
+	
+	static var bundlePath: String {
+		
+		Bundle.main.bundlePath
+	}
+}

Sources/OpenTerminal/Icon.swift

@@ -9,9 +9,16 @@
 import AppKit
 
 func updateAppIcon() {
-	
-	let icon = NSImage(named: "EffectiveAppIcon")!
-	let path = Bundle.main.bundlePath
 
-	NSWorkspace.shared.setIcon(icon, forFile: path)
+	let buildVersion = AppInfo.buildVersion
+	
+	guard buildVersion != AppInfo.lastLaunchedBuildVersion else {
+		
+		return
+	}
+	
+	if NSWorkspace.shared.setIcon(AppInfo.effectiveAppIcon, forFile: AppInfo.bundlePath) {
+		
+		AppInfo.lastLaunchedBuildVersion = buildVersion
+	}
 }