Merge branch 'rel/1.0.0' into dev/jgoshi/switchToMsbuild

build_projects/dotnet-cli-build/DotNetRestore3.cs

@@ -0,0 +1,54 @@
+// 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.
+
+namespace Microsoft.DotNet.Cli.Build
+{
+    public class DotNetRestore3 : DotNetTool
+    {
+        protected override string Command
+        {
+            get { return "restore3"; }
+        }
+
+        protected override string Args
+        {
+            get { return $"{GetSource()} {GetPackages()} {GetSkipInvalidConfigurations()}"; }
+        }
+
+        public string Source { get; set; }
+
+        public string Packages { get; set; }
+
+        public bool SkipInvalidConfigurations { get; set; }
+
+        private string GetSource()
+        {
+            if (!string.IsNullOrEmpty(Source))
+            {
+                return $"--source {Source}";
+            }
+
+            return null;
+        }
+
+        private string GetPackages()
+        {
+            if (!string.IsNullOrEmpty(Packages))
+            {
+                return $"--packages {Packages}";
+            }
+
+            return null;
+        }
+
+        private string GetSkipInvalidConfigurations()
+        {
+            if (SkipInvalidConfigurations)
+            {
+                return "/p:SkipInvalidConfigurations=true";
+            }
+
+            return null;
+        }
+    }
+}