Merge branch 'atsushieno-fix-linux-msbuild-invocation' into develop

Author: devlead

src/Cake.Common.Tests/Fixtures/Tools/MSBuildRunnerFixture.cs

@@ -4,6 +4,7 @@
 
 using System.Collections.Generic;
 using Cake.Common.Tools.MSBuild;
+using Cake.Core;
 using Cake.Core.IO;
 using Cake.Testing;
 using Cake.Testing.Fixtures;
@@ -15,23 +16,27 @@ internal sealed class MSBuildRunnerFixture : ToolFixture<MSBuildSettings>
         public HashSet<FilePath> KnownMSBuildPaths { get; }
         public FilePath Solution { get; set; }
 
-        public MSBuildRunnerFixture(bool is64BitOperativeSystem)
+        public MSBuildRunnerFixture(bool is64BitOperativeSystem, PlatformFamily platformFamily)
             : base("MSBuild.exe")
         {
             // Create the list of all known MSBuild paths.
-            KnownMSBuildPaths = new HashSet<FilePath>(new PathComparer(false));
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework/v2.0.50727/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework64/v2.0.50727/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework/v3.5/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework64/v3.5/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework/v4.0.30319/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Windows/Microsoft.NET/Framework64/v4.0.30319/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/MSBuild/12.0/Bin/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/MSBuild/12.0/Bin/amd64/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/MSBuild/14.0/Bin/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/MSBuild/14.0/Bin/amd64/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/Microsoft Visual Studio/2017/Enterprise/MSBuild/15.0/Bin/MSBuild.exe");
-            KnownMSBuildPaths.Add("/Program86/Microsoft Visual Studio/2017/Enterprise/MSBuild/15.0/Bin/amd64/MSBuild.exe");
+            KnownMSBuildPaths = new HashSet<FilePath>(new PathComparer(false))
+            {
+                "/Windows/Microsoft.NET/Framework/v2.0.50727/MSBuild.exe",
+                "/Windows/Microsoft.NET/Framework64/v2.0.50727/MSBuild.exe",
+                "/Windows/Microsoft.NET/Framework/v3.5/MSBuild.exe",
+                "/Windows/Microsoft.NET/Framework64/v3.5/MSBuild.exe",
+                "/Windows/Microsoft.NET/Framework/v4.0.30319/MSBuild.exe",
+                "/Windows/Microsoft.NET/Framework64/v4.0.30319/MSBuild.exe",
+                "/Program86/MSBuild/12.0/Bin/MSBuild.exe",
+                "/Program86/MSBuild/12.0/Bin/amd64/MSBuild.exe",
+                "/Program86/MSBuild/14.0/Bin/MSBuild.exe",
+                "/Program86/MSBuild/14.0/Bin/amd64/MSBuild.exe",
+                "/Program86/Microsoft Visual Studio/2017/Enterprise/MSBuild/15.0/Bin/MSBuild.exe",
+                "/Program86/Microsoft Visual Studio/2017/Enterprise/MSBuild/15.0/Bin/amd64/MSBuild.exe",
+                "/usr/bin/msbuild",
+                "/Library/Frameworks/Mono.framework/Versions/Current/Commands/msbuild"
+            };
 
             // Install all known MSBuild versions.
             foreach (var msBuildPath in KnownMSBuildPaths)
@@ -43,6 +48,12 @@ public MSBuildRunnerFixture(bool is64BitOperativeSystem)
             Environment.SetSpecialPath(SpecialPath.ProgramFilesX86, "/Program86");
             Environment.SetSpecialPath(SpecialPath.Windows, "/Windows");
             Environment.ChangeOperativeSystemBitness(is64BitOperativeSystem);
+            Environment.ChangeOperatingSystemFamily(platformFamily);
+            if (platformFamily == PlatformFamily.Windows)
+            {
+                Environment.WorkingDirectory = new DirectoryPath("C:/Working");
+                Environment.ApplicationRoot = Environment.WorkingDirectory.Combine("bin");
+            }
 
             // Prepare the tool parameters.
             Solution = new FilePath("./src/Solution.sln");