make dotnet-build show build summary (#5277)

* make dotnet-build show build summary

* Fix race in some dotnet-migrate (sln) tests

src/dotnet/commands/dotnet-build/Program.cs

@@ -89,6 +89,8 @@ namespace Microsoft.DotNet.Tools.Build
                     msbuildArgs.Add($"/verbosity:{verbosityOption.Value()}");
                 }
 
+                msbuildArgs.Add($"/clp:Summary");
+
                 msbuildArgs.AddRange(app.RemainingArguments);
 
                 return new MSBuildForwardingApp(msbuildArgs).Execute();

test/dotnet-build.Tests/GivenDotnetBuildBuildsCsproj.cs

@@ -72,5 +72,25 @@ namespace Microsoft.DotNet.Cli.Build.Tests
                 .Should().Pass()
                      .And.HaveStdOutContaining("Hello World");
         }
+
+        [Fact]
+        public void ItPrintsBuildSummary()
+        {
+            var testAppName = "MSBuildTestApp";
+            var testInstance = TestAssets.Get(testAppName)
+                .CreateInstance(testAppName)
+                .WithSourceFiles()
+                .WithRestoreFiles();
+
+            string expectedBuildSummary = @"Build succeeded.
+    0 Warning(s)
+    0 Error(s)";
+
+            var cmd = new BuildCommand()
+                .WithWorkingDirectory(testInstance.Root)
+                .ExecuteWithCapturedOutput();
+            cmd.Should().Pass();
+            cmd.StdOut.Should().ContainVisuallySameFragment(expectedBuildSummary);
+        }
     }
 }

test/dotnet-migrate.Tests/GivenThatIWantToMigrateSolutions.cs

@@ -7,6 +7,7 @@ using Microsoft.DotNet.TestFramework;
 using Microsoft.DotNet.Tools.Test.Utilities;
 using System.IO;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using Xunit;
 
 namespace Microsoft.DotNet.Migration.Tests
@@ -37,11 +38,11 @@ namespace Microsoft.DotNet.Migration.Tests
                 "PJAppWithSlnAndXprojRefThatRefsCsprojWhereSlnDoesNotRefCsproj");
         }
 
-        private void MigrateAndBuild(string groupName, string projectName)
+        private void MigrateAndBuild(string groupName, string projectName, [CallerMemberName] string callingMethod = "", string identifier = "")
         {
             var projectDirectory = TestAssets
                 .Get(groupName, projectName)
-                .CreateInstance()
+                .CreateInstance(callingMethod: callingMethod, identifier: identifier)
                 .WithSourceFiles()
                 .Root;