Feature: Installer version number auto-updates based on app version.

Work smart, not hard. :)

Author: DeanEdisGG

ShaderShrinker/InnoSetupProject/InstallScript.iss

@@ -4,7 +4,7 @@
 [Setup]
 AppId={{996B4B28-98DA-451F-ED15-8777E28DBDE4}
 AppName={#MyAppName}
-AppVersion=0.3
+AppVersion=0.4
 AppPublisher=Dean Edis
 AppPublisherURL=https://github.com/deanthecoder/GLSLShaderShrinker
 DefaultDirName={commonpf}\ShaderShrinker
@@ -29,4 +29,4 @@ Name: "{group}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"
 Name: "{commondesktop}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"; Tasks: desktopicon
 
 [Run]
-Filename: "{app}\{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent
+Filename: "{app}\{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent

ShaderShrinker/Shrinker.WpfApp/Properties/AssemblyInfo.cs

@@ -49,5 +49,5 @@
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.3.0.0")]
-[assembly: AssemblyFileVersion("0.3.0.0")]
+[assembly: AssemblyVersion("0.4.0.0")]
+[assembly: AssemblyFileVersion("0.4.0.0")]

ShaderShrinker/UnitTests/InstallerVersionUpdater.cs

@@ -0,0 +1,48 @@
+// -----------------------------------------------------------------------
+//  <copyright file="ReadmeBuInstallerVersionUpdater.cs">
+//      Copyright (c) 2021 Dean Edis. All rights reserved.
+//  </copyright>
+//  <summary>
+//  This example is provided on an "as is" basis and without warranty of any kind.
+//  We do not warrant or make any representations regarding the use or
+//  results of use of this example.
+//  </summary>
+// -----------------------------------------------------------------------
+
+using System.IO;
+using System.Linq;
+using System.Reflection;
+using NUnit.Framework;
+
+namespace UnitTests
+{
+    [TestFixture]
+    public class ReadmeBuInstallerVersionUpdater
+    {
+        [Test]
+        public void UpdateInstallerVersion()
+        {
+            var rootDir = new FileInfo(Assembly.GetExecutingAssembly().Location).Directory;
+            while (!rootDir.EnumerateFiles("*.md").Any())
+                rootDir = rootDir.Parent;
+
+            // Get app version.
+            var assemblyInfoFile = rootDir.EnumerateFiles("ShaderShrinker/Shrinker.WpfApp/Properties/AssemblyInfo.cs").First();
+            var assemblyVersionLine = File.ReadAllLines(assemblyInfoFile.FullName).First(o => o.StartsWith("[assembly: AssemblyVersion("));
+            var assemblyVersion = assemblyVersionLine.Substring(28).Replace(".0.0\")]", null);
+
+            // Open installer .iss.
+            var issFile = rootDir.EnumerateFiles("InstallScript.iss", SearchOption.AllDirectories).FirstOrDefault();
+            Assert.That(issFile, Is.Not.Null);
+            var issLines = File.ReadAllLines(issFile.FullName);
+
+            for (var i = 0; i < issLines.Length; i++)
+            {
+                if (issLines[i].StartsWith("AppVersion="))
+                    issLines[i] = $"AppVersion={assemblyVersion}";
+            }
+
+            File.WriteAllLines(issFile.FullName, issLines);
+        }
+    }
+}