Add InspectCode to CI.

build/InspectCode.cake

@@ -0,0 +1,52 @@
+#addin "nuget:?package=CodeFileSanity&version=0.0.33"
+#addin "nuget:?package=JetBrains.ReSharper.CommandLineTools&version=2019.2.1"
+#tool "nuget:?package=NVika.MSBuild&version=1.0.1"
+var nVikaToolPath = GetFiles("./tools/NVika.MSBuild.*/tools/NVika.exe").First();
+
+///////////////////////////////////////////////////////////////////////////////
+// ARGUMENTS
+///////////////////////////////////////////////////////////////////////////////
+
+var target = Argument("target", "CodeAnalysis");
+var configuration = Argument("configuration", "Release");
+
+var rootDirectory = new DirectoryPath("..");
+var sln = rootDirectory.CombineWithFilePath("osu.sln");
+var desktopSlnf = rootDirectory.CombineWithFilePath("osu.Desktop.slnf");
+
+///////////////////////////////////////////////////////////////////////////////
+// TASKS
+///////////////////////////////////////////////////////////////////////////////
+
+// windows only because both inspectcode and nvika depend on net45
+Task("InspectCode")
+    .WithCriteria(IsRunningOnWindows())
+    .Does(() => {
+        InspectCode(desktopSlnf, new InspectCodeSettings {
+            CachesHome = "inspectcode",
+            OutputFile = "inspectcodereport.xml",
+            ArgumentCustomization = arg => {
+                if (AppVeyor.IsRunningOnAppVeyor) // Don't flood CI output
+                    arg.Append("--verbosity:WARN");
+                    return arg;
+            },
+        });
+
+        int returnCode = StartProcess(nVikaToolPath, $@"parsereport ""inspectcodereport.xml"" --treatwarningsaserrors");
+        if (returnCode != 0)
+            throw new Exception($"inspectcode failed with return code {returnCode}");
+    });
+
+Task("CodeFileSanity")
+    .Does(() => {
+        ValidateCodeSanity(new ValidateCodeSanitySettings {
+            RootDirectory = rootDirectory.FullPath,
+            IsAppveyorBuild = AppVeyor.IsRunningOnAppVeyor
+        });
+    });
+
+Task("CodeAnalysis")
+    .IsDependentOn("CodeFileSanity")
+    .IsDependentOn("InspectCode");
+
+RunTarget(target);