WIP rename project tool

rename-ue-project/Program.cs

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+using System.Text.RegularExpressions;
+
+namespace rename_ue_project
+{
+    internal class Program
+    {
+        const string OLD_PROJECT_NAME = "MotionMatching";
+        const string UE_PROJECT_EXTENSION = ".uproject";
+        const string GITIGNORE = ".gitignore";
+        const string README = "READ.ME";
+        const string CONFIG_FOLDER = "config";
+        const string DEGAULT_GAME_INI = "DefaultGame.ini";
+
+        // todo: test this!!
+        /// <summary>
+        /// Replaces folder and ue project file with new project name. Also replaces occurrences in .gitignore and projectName in DefaultGame.ini
+        /// </summary>
+        /// <param name="args">
+        ///     0: absolute path to unreal project root
+        ///     1: new project name, must be no longer than 20 chars and [a-zA-Z0-9-_]
+        ///     2: long description for your game, can be markdown is used for READ.ME
+        /// </param>
+        /// <returns></returns>
+        /// <exception cref="IOException">if a file was not where expected</exception>
+        /// <exception cref="ArgumentException">if an app parameter was invalid</exception>
+        static async Task Main(string[] args)
+        {
+            var projectPath = args[0];
+            var projectName = args[1];
+            var descLong = args[2];
+
+
+            if (!Directory.Exists(projectPath))
+            {
+                throw new IOException($"Directory {projectPath} does not exist");
+            }
+
+            // step 0: validate ue project name
+            var rgxName = "'^[a-zA-Z0-9_-]+$";
+            Match m = Regex.Match(projectName, rgxName, RegexOptions.IgnoreCase);
+            if (m.Success)
+            {
+                throw new ArgumentException("Unreal project names can not be longer than 20 chars and must not contain special chars, except - and _");
+            }
+
+            // step 1: rename directory
+            if (!Directory.Exists(OLD_PROJECT_NAME))
+            {
+                throw new IOException($"Directory {OLD_PROJECT_NAME} does not exist");
+            }
+
+            Directory.Move(
+                Path.Combine(projectPath, OLD_PROJECT_NAME),
+                  Path.Combine(projectPath, projectName)
+                );
+            Console.WriteLine("Renamed project directory");
+
+            // step 2: rename project file
+            File.Move(
+                Path.Combine(projectPath, projectName, $"{OLD_PROJECT_NAME}{UE_PROJECT_EXTENSION}"),
+                Path.Combine(projectPath, projectName, $"{projectName}{UE_PROJECT_EXTENSION}")
+                );
+
+            // step 3: replace everything in gitignore
+            var ignoreContent = await File.ReadAllTextAsync(Path.Combine(projectPath, GITIGNORE));
+            ignoreContent = ignoreContent.Replace(OLD_PROJECT_NAME, projectName);
+            Console.WriteLine("Replaced project name in gitignore");
+
+            // step 4: write read.me in format # projectName + new line + descrLong
+            var readMe = @$"# {projectName}{Environment.NewLine}{descLong}";
+            await File.WriteAllTextAsync(Path.Combine(projectPath, README), readMe);
+            Console.WriteLine("Wrote READ.ME");
+
+            // step 5: replace name in DefaultGame.ini
+            var configPath = Path.Combine(projectPath, projectName, CONFIG_FOLDER, DEGAULT_GAME_INI);
+            if (!File.Exists(configPath))
+            {
+                throw new IOException($"Unreal config {DEGAULT_GAME_INI} not found at {configPath} - can not replace project name");
+            }
+
+            var defaultGameIni = await File.ReadAllTextAsync(configPath);
+            var rgxPrjName = @"(?<=ProjectName=)[^\s]+";
+
+            // Perform the replacement
+            defaultGameIni = Regex.Replace(defaultGameIni, rgxPrjName, projectName);
+            await File.WriteAllTextAsync(configPath, defaultGameIni);
+            Console.WriteLine($"Replaced project name in {DEGAULT_GAME_INI}");
+
+        }
+    }
+}

rename-ue-project/rename-ue-project.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <RootNamespace>rename_ue_project</RootNamespace>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

rename-ue-project/rename-ue-project.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.10.35013.160
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "rename-ue-project", "rename-ue-project.csproj", "{A8D865C3-BFF0-4276-8260-EC60FC6493F9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A8D865C3-BFF0-4276-8260-EC60FC6493F9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A8D865C3-BFF0-4276-8260-EC60FC6493F9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A8D865C3-BFF0-4276-8260-EC60FC6493F9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A8D865C3-BFF0-4276-8260-EC60FC6493F9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {EF1712C3-E679-4CE7-9977-5B49871CA26D}
+	EndGlobalSection
+EndGlobal