Remove as many references to RuntimeEnvironment as possible.

Author: eerhardt

src/Cli/Microsoft.DotNet.Cli.Utils/DotnetVersionFile.cs

@@ -18,9 +18,9 @@ internal class DotnetVersionFile
         /// The runtime identifier (rid) that this CLI was built for.
         /// </summary>
         /// <remarks>
-        /// This is different than RuntimeEnvironment.GetRuntimeIdentifier() because the 
+        /// This is different than RuntimeInformation.RuntimeIdentifier because the 
         /// BuildRid is a RID that is guaranteed to exist and works on the current machine. The
-        /// RuntimeEnvironment.GetRuntimeIdentifier() may be for a new version of the OS that 
+        /// RuntimeInformation.RuntimeIdentifier may be for a new version of the OS that 
         /// doesn't have full support yet.
         /// </remarks>
         public string BuildRid { get; set; }

src/Cli/Microsoft.DotNet.Cli.Utils/RuntimeEnvironment.cs

@@ -112,7 +112,7 @@ private class DistroInfo
             public string VersionId;
         }
 
-        public static string GetOSName()
+        private static string GetOSName()
         {
             switch (GetOSPlatform())
             {
@@ -129,7 +129,7 @@ public static string GetOSName()
             }
         }
 
-        public static string GetOSVersion()
+        private static string GetOSVersion()
         {
             switch (GetOSPlatform())
             {
@@ -183,7 +183,7 @@ private static string GetFreeBSDVersion()
             return string.Empty;
         }
 
-        public static Platform GetOSPlatform()
+        private static Platform GetOSPlatform()
         {
             return _platform.Value;
         }

src/Tests/Microsoft.DotNet.CommandFactory.Tests/GivenAProjectPathCommandResolver.cs

@@ -3,6 +3,7 @@
 
 using System;
 using System.IO;
+using System.Runtime.InteropServices;
 using FluentAssertions;
 using Microsoft.DotNet.Cli.Utils;
 using Microsoft.DotNet.CommandFactory;
@@ -243,7 +244,7 @@ private ProjectPathCommandResolver SetupPlatformProjectPathCommandResolver(
 
             IPlatformCommandSpecFactory platformCommandSpecFactory = new GenericPlatformCommandSpecFactory();
 
-            if (RuntimeEnvironment.OperatingSystemPlatform == Platform.Windows
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
                 && !forceGeneric)
             {
                 platformCommandSpecFactory = new WindowsExePreferredCommandSpecFactory();

src/Tests/Microsoft.DotNet.CommandFactory.Tests/GivenAnAppBaseCommandResolver.cs

@@ -3,10 +3,11 @@
 
 using System;
 using System.IO;
+using System.Runtime.InteropServices;
 using FluentAssertions;
+using Microsoft.DotNet.Cli.Utils;
 using Microsoft.DotNet.CommandFactory;
 using Xunit;
-using Microsoft.DotNet.Cli.Utils;
 
 namespace Microsoft.DotNet.Tests
 {
@@ -187,7 +188,7 @@ private AppBaseCommandResolver SetupPlatformAppBaseCommandResolver(
 
             IPlatformCommandSpecFactory platformCommandSpecFactory = new GenericPlatformCommandSpecFactory();
 
-            if (RuntimeEnvironment.OperatingSystemPlatform == Platform.Windows
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
                 && !forceGeneric)
             {
                 platformCommandSpecFactory = new WindowsExePreferredCommandSpecFactory();

src/Tests/Microsoft.NET.TestFramework/AssertionHelper.cs

@@ -11,7 +11,7 @@ public static string[] AppendApphostOnNonMacOS(string ProjectName, string[] expe
     {
         string apphost = $"{ProjectName}{Constants.ExeSuffix}";
         // No UseApphost is false by default on macOS
-        return !RuntimeInformation.IsOSPlatform (OSPlatform.OSX)
+        return !RuntimeInformation.IsOSPlatform(OSPlatform.OSX)
             ? expectedFiles.Append(apphost).ToArray()
             : expectedFiles;
     }

src/Tests/Microsoft.NET.TestFramework/Attributes/RequiresSpecificFrameworkFactAttribute.cs

@@ -1,6 +1,8 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
+#if NETCOREAPP
+
 using Xunit;
 
 namespace Microsoft.NET.TestFramework
@@ -16,3 +18,5 @@ public RequiresSpecificFrameworkFactAttribute(string framework)
         }
     }
 }
+
+#endif

src/Tests/Microsoft.NET.TestFramework/Attributes/RequiresSpecificFrameworkTheoryAttribute.cs

@@ -1,6 +1,8 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
+#if NETCOREAPP
+
 using Microsoft.DotNet.Tools.Test.Utilities;
 using System;
 using System.Collections.Generic;
@@ -20,3 +22,5 @@ public RequiresSpecificFrameworkTheoryAttribute(string framework)
         }
     }
 }
+
+#endif

src/Tests/Microsoft.NET.TestFramework/Commands/ComposeStoreCommand.cs

@@ -1,8 +1,11 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
+#if NETCOREAPP
+
 using Microsoft.DotNet.Cli.Utils;
 using System.IO;
+using System.Runtime.InteropServices;
 using Xunit.Abstractions;
 
 namespace Microsoft.NET.TestFramework.Commands
@@ -31,10 +34,12 @@ private string BuildRelativeOutputPath(string targetFramework, string configurat
         {
             if (runtimeIdentifier.Length == 0)
             {
-                runtimeIdentifier = RuntimeEnvironment.GetRuntimeIdentifier();
+                runtimeIdentifier = RuntimeInformation.RuntimeIdentifier;
             }
             string arch = runtimeIdentifier.Substring(runtimeIdentifier.LastIndexOf("-") + 1);
             return Path.Combine(configuration, arch, targetFramework, PublishSubfolderName);
         }
     }
 }
+
+#endif

src/Tests/Microsoft.NET.TestFramework/EnvironmentInfo.cs

@@ -1,6 +1,8 @@
 // Copyright (c) .NET Foundation and contributors. All rights reserved.
 // Licensed under the MIT license. See LICENSE file in the project root for full license information.
 
+#if NETCOREAPP
+
 using System;
 using System.Runtime.InteropServices;
 using NuGet.Frameworks;
@@ -19,7 +21,7 @@ public static string ExecutableExtension
 
         public static string GetCompatibleRid(string targetFramework = null)
         {
-            string rid = DotNet.Cli.Utils.RuntimeEnvironment.GetRuntimeIdentifier();
+            string rid = RuntimeInformation.RuntimeIdentifier;
 
             if (targetFramework == null)
             {
@@ -56,7 +58,7 @@ public static string GetCompatibleRid(string targetFramework = null)
         public static bool SupportsTargetFramework(string targetFramework)
         {
             var nugetFramework = NuGetFramework.Parse(targetFramework);
-            string currentRid = DotNet.Cli.Utils.RuntimeEnvironment.GetRuntimeIdentifier();
+            string currentRid = RuntimeInformation.RuntimeIdentifier;
 
             string ridOS = currentRid.Split('.')[0];
             if (ridOS.Equals("alpine", StringComparison.OrdinalIgnoreCase))
@@ -162,3 +164,5 @@ public static bool SupportsTargetFramework(string targetFramework)
         }
     }
 }
+
+#endif

src/Tests/dotnet.Tests/GivenThatIWantToManageMulticoreJIT.cs

@@ -87,7 +87,7 @@ private static string GetUserProfileRoot(string overrideUserProfileRoot = null)
 
         private static string GetOptimizationRootPath(string version)
         {
-            var rid = DotNet.Cli.Utils.RuntimeEnvironment.GetRuntimeIdentifier();
+            var rid = RuntimeInformation.RuntimeIdentifier;
 
             return RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
                 ? $@"Microsoft\dotnet\optimizationdata\{version}\{rid}"