Search Visual Studio if not on PATH

build/BuildWindowsTask.cs

@@ -1,3 +1,4 @@
+using Cake.Common.Tools.VSWhere.Latest;
 
 namespace BuildScripts;
 
@@ -10,12 +11,23 @@ public sealed class BuildWindowsTask : FrostingTask<BuildContext>
 
     public override void Run(BuildContext context)
     {
+        var vswhere = new VSWhereLatest(context.FileSystem, context.Environment, context.ProcessRunner, context.Tools);
+
+        string cmake = "cmake";
+        string msbuild = "msbuild";
+
+        // If processes are not on PATH, we want to retrieve the Visual Studio installation
+        if (!IsOnPATH(cmake))
+            cmake = vswhere.Latest(new VSWhereLatestSettings()).FullPath + @"\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\bin\cmake.exe";
+        if (!IsOnPATH(msbuild))
+            msbuild = vswhere.Latest(new VSWhereLatestSettings()).FullPath + @"\MSBuild\Current\Bin\MSBuild.exe";
+
         // Build
         var buildDir = "sdl/build_x64";
         context.CreateDirectory(buildDir);
         context.CreateDirectory($"{context.ArtifactsDir}/win-x64");
-        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildDir, Arguments = "-A x64 -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded ../" });
-        context.StartProcess("msbuild", new ProcessSettings { WorkingDirectory = buildDir, Arguments = "SDL2.sln /p:Configuration=Release" });
+        context.StartProcess(cmake, new ProcessSettings { WorkingDirectory = buildDir, Arguments = "-A x64 -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded ../" });
+        context.StartProcess(msbuild, new ProcessSettings { WorkingDirectory = buildDir, Arguments = "SDL2.sln /p:Configuration=Release" });
 
         // Copy artifact
         context.CreateDirectory(context.ArtifactsDir);
@@ -24,11 +36,35 @@ public override void Run(BuildContext context)
         buildDir = "sdl/build_arm64";
         context.CreateDirectory(buildDir);
         context.CreateDirectory($"{context.ArtifactsDir}/win-arm64");
-        context.StartProcess("cmake", new ProcessSettings { WorkingDirectory = buildDir, Arguments = "-A ARM64 -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded ../" });
-        context.StartProcess("msbuild", new ProcessSettings { WorkingDirectory = buildDir, Arguments = "SDL2.sln /p:Configuration=Release" });
+        context.StartProcess(cmake, new ProcessSettings { WorkingDirectory = buildDir, Arguments = "-A ARM64 -D CMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded ../" });
+        context.StartProcess(msbuild, new ProcessSettings { WorkingDirectory = buildDir, Arguments = "SDL2.sln /p:Configuration=Release" });
 
         // Copy artifact
         context.CreateDirectory(context.ArtifactsDir);
         context.CopyFile("sdl/build_arm64/Release/SDL2.dll", $"{context.ArtifactsDir}/win-arm64/SDL2.dll");
     }
+
+    private bool IsOnPATH(string process)
+    {
+        if (string.IsNullOrEmpty(process))
+            return false;
+
+        if (!process.EndsWith(".exe"))
+            process += ".exe";
+
+        // Check if process exist on PATH env
+
+        var split = Environment.GetEnvironmentVariable("PATH")?.Split(';');
+        if (split != null)
+        {
+            foreach (var path in split)
+            {
+                string processPath = System.IO.Path.Combine(path, process);
+                if (File.Exists(processPath))
+                    return true;
+            }
+        }
+
+        return false;
+    }
 }