Show a message when building as part of dotnet-run

src/Assets/TestProjects/TestAppWithLaunchSettings/Program.cs

@@ -0,0 +1,16 @@
+// 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.
+
+using System;
+
+namespace ConsoleApplication
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            Console.WriteLine("Hello world");
+            Console.WriteLine($"MyCoolEnvironmentVariableKey={Environment.GetEnvironmentVariable("MyCoolEnvironmentVariableKey")}");
+        }
+    }
+}

src/Assets/TestProjects/TestAppWithLaunchSettings/Properties/launchSettings.json

@@ -0,0 +1,11 @@
+{
+  "profiles": {
+    "TestAppWithLaunchSettings": {
+      "commandName": "Project",
+      "dotnetRunMessages": "true",
+      "environmentVariables": {
+        "MyCoolEnvironmentVariableKey": "MyCoolEnvironmentVariableValue"
+      }
+    }
+  }
+}

src/Assets/TestProjects/TestAppWithLaunchSettings/TestAppWithLaunchSettings.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), testAsset.props))\testAsset.props" />
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+    <OutputType>Exe</OutputType>
+  </PropertyGroup>
+</Project>

src/Cli/dotnet/commands/dotnet-run/LaunchSettings/ILaunchSettingsProvider.cs

@@ -5,9 +5,7 @@ namespace Microsoft.DotNet.Tools.Run.LaunchSettings
 {
     internal interface ILaunchSettingsProvider
     {
-        string CommandName { get; }
-
-        LaunchSettingsApplyResult TryApplySettings(JsonElement model, ref ICommand command);
+        LaunchSettingsApplyResult TryGetLaunchSettings(JsonElement model);
     }
 
 }

src/Cli/dotnet/commands/dotnet-run/LaunchSettings/LaunchSettingsApplyResult.cs

@@ -1,18 +1,21 @@
+// 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.Tools.Run.LaunchSettings
 {
     public class LaunchSettingsApplyResult
     {
-        public LaunchSettingsApplyResult(bool success, string failureReason, string runAfterLaunch = null)
+        public LaunchSettingsApplyResult(bool success, string failureReason, ProjectLaunchSettingsModel launchSettings = null)
         {
             Success = success;
             FailureReason = failureReason;
-            RunAfterLaunch = runAfterLaunch;
+            LaunchSettings = launchSettings;
         }
 
         public bool Success { get; }
 
         public string FailureReason { get; }
 
-        public string RunAfterLaunch { get; }
+        public ProjectLaunchSettingsModel LaunchSettings { get; }
     }
 }

src/Cli/dotnet/commands/dotnet-run/LaunchSettings/LaunchSettingsManager.cs

@@ -1,4 +1,7 @@
-using System;
+// 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.
+
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text.Json;
@@ -21,7 +24,7 @@ static LaunchSettingsManager()
             };
         }
 
-        public static LaunchSettingsApplyResult TryApplyLaunchSettings(string launchSettingsJsonContents, ref ICommand command, string profileName = null)
+        public static LaunchSettingsApplyResult TryApplyLaunchSettings(string launchSettingsJsonContents, string profileName = null)
         {
             try
             {
@@ -90,7 +93,7 @@ public static LaunchSettingsApplyResult TryApplyLaunchSettings(string launchSett
                         return new LaunchSettingsApplyResult(false, string.Format(LocalizableStrings.LaunchProfileHandlerCannotBeLocated, commandName));
                     }
 
-                    return provider.TryApplySettings(profileObject, ref command);
+                    return provider.TryGetLaunchSettings(profileObject);
                 }
             }
             catch (JsonException ex)

src/Cli/dotnet/commands/dotnet-run/LaunchSettings/ProjectLaunchSettingsModel.cs

@@ -0,0 +1,23 @@
+// 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.
+
+using System;
+using System.Collections.Generic;
+
+namespace Microsoft.DotNet.Tools.Run.LaunchSettings
+{
+    public class ProjectLaunchSettingsModel
+    {
+        public string CommandLineArgs { get; set; }
+
+        public bool LaunchBrowser { get; set; }
+
+        public string LaunchUrl { get; set; }
+
+        public string ApplicationUrl { get; set; }
+
+        public string DotNetRunMessages { get; set; }
+
+        public Dictionary<string, string> EnvironmentVariables { get; } = new Dictionary<string, string>(StringComparer.Ordinal);
+    }
+}

src/Cli/dotnet/commands/dotnet-run/LaunchSettings/ProjectLaunchSettingsProvider.cs

@@ -1,7 +1,8 @@
-using System;
-using System.Collections.Generic;
+// 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.
+
+using System;
 using System.Text.Json;
-using Microsoft.DotNet.Cli.Utils;
 
 namespace Microsoft.DotNet.Tools.Run.LaunchSettings
 {
@@ -11,7 +12,7 @@ internal class ProjectLaunchSettingsProvider : ILaunchSettingsProvider
 
         public string CommandName => CommandNameValue;
 
-        public LaunchSettingsApplyResult TryApplySettings(JsonElement model, ref ICommand command)
+        public LaunchSettingsApplyResult TryGetLaunchSettings(JsonElement model)
         {
             var config = new ProjectLaunchSettingsModel();
             foreach (var property in model.EnumerateObject())
@@ -52,14 +53,23 @@ public LaunchSettingsApplyResult TryApplySettings(JsonElement model, ref IComman
 
                     config.ApplicationUrl = applicationUrlValue;
                 }
+                else if (string.Equals(property.Name, nameof(ProjectLaunchSettingsModel.DotNetRunMessages), StringComparison.OrdinalIgnoreCase))
+                {
+                    if (!TryGetStringValue(property.Value, out var dotNetRunMessages))
+                    {
+                        return new LaunchSettingsApplyResult(false, string.Format(LocalizableStrings.CouldNotConvertToString, property.Name));
+                    }
+
+                    config.DotNetRunMessages = dotNetRunMessages;
+                }
                 else if (string.Equals(property.Name, nameof(ProjectLaunchSettingsModel.EnvironmentVariables), StringComparison.OrdinalIgnoreCase))
                 {
                     if (property.Value.ValueKind != JsonValueKind.Object)
                     {
                         return new LaunchSettingsApplyResult(false, string.Format(LocalizableStrings.ValueMustBeAnObject, property.Name));
                     }
 
-                    foreach(var environmentVariable in property.Value.EnumerateObject())
+                    foreach (var environmentVariable in property.Value.EnumerateObject())
                     {
                         if (TryGetStringValue(environmentVariable.Value, out var environmentVariableValue))
                         {
@@ -69,21 +79,7 @@ public LaunchSettingsApplyResult TryApplySettings(JsonElement model, ref IComman
                 }
             }
 
-            if (!string.IsNullOrEmpty(config.ApplicationUrl))
-            {
-                command.EnvironmentVariable("ASPNETCORE_URLS", config.ApplicationUrl);
-            }
-
-            //For now, ignore everything but the environment variables section
-
-            foreach (var entry in config.EnvironmentVariables)
-            {
-                string value = Environment.ExpandEnvironmentVariables(entry.Value);
-                //NOTE: MSBuild variables are not expanded like they are in VS
-                command.EnvironmentVariable(entry.Key, value);
-            }
-
-            return new LaunchSettingsApplyResult(true, null, config.LaunchUrl);
+            return new LaunchSettingsApplyResult(true, null, config);
         }
 
         private static bool TryGetBooleanValue(JsonElement element, out bool value)
@@ -136,23 +132,5 @@ private static bool TryGetStringValue(JsonElement element, out string value)
                     return false;
             }
         }
-
-        private class ProjectLaunchSettingsModel
-        {
-            public ProjectLaunchSettingsModel()
-            {
-                EnvironmentVariables = new Dictionary<string, string>(StringComparer.Ordinal);
-            }
-
-            public string CommandLineArgs { get; set; }
-
-            public bool LaunchBrowser { get; set; }
-
-            public string LaunchUrl { get; set; }
-
-            public string ApplicationUrl { get; set; }
-
-            public Dictionary<string, string> EnvironmentVariables { get; }
-        }
     }
 }

src/Cli/dotnet/commands/dotnet-run/LocalizableStrings.resx

@@ -147,6 +147,9 @@
   <data name="RuntimeOptionDescription" xml:space="preserve">
     <value>The target runtime to run for.</value>
   </data>
+  <data name="RunCommandBuilding" xml:space="preserve">
+    <value>Building...</value>
+  </data>
   <data name="RunCommandException" xml:space="preserve">
     <value>The build failed. Fix the build errors and run again.</value>
   </data>
@@ -214,4 +217,4 @@ The current {1} is '{2}'.</value>
   <data name="ValueMustBeAnObject" xml:space="preserve">
     <value>The property '{0}' must be an object if it is specified.</value>
   </data>
-</root>
+</root>

src/Cli/dotnet/commands/dotnet-run/RunCommand.cs

@@ -8,8 +8,6 @@
 using Microsoft.Build.Execution;
 using Microsoft.Build.Exceptions;
 using Microsoft.DotNet.Cli.Utils;
-using Microsoft.DotNet.Tools;
-using Microsoft.DotNet.Tools.MSBuild;
 using Microsoft.DotNet.Tools.Run.LaunchSettings;
 using Microsoft.DotNet.CommandFactory;
 
@@ -41,17 +39,37 @@ public int Execute()
         {
             Initialize();
 
+            if (!TryGetLaunchProfileSettingsIfNeeded(out var launchSettings))
+            {
+                return 1;
+            }
+
             if (ShouldBuild)
             {
+                if (string.Equals("true", launchSettings?.DotNetRunMessages, StringComparison.OrdinalIgnoreCase))
+                {
+                    Reporter.Output.WriteLine(LocalizableStrings.RunCommandBuilding);
+                }
+
                 EnsureProjectIsBuilt();
             }
 
             try
             {
                 ICommand targetCommand = GetTargetCommand();
-                if (!ApplyLaunchProfileSettingsIfNeeded(ref targetCommand))
+                if (launchSettings != null)
                 {
-                    return 1;
+                    if (!string.IsNullOrEmpty(launchSettings.ApplicationUrl))
+                    {
+                        targetCommand.EnvironmentVariable("ASPNETCORE_URLS", launchSettings.ApplicationUrl);
+                    }
+
+                    foreach (var entry in launchSettings.EnvironmentVariables)
+                    {
+                        string value = Environment.ExpandEnvironmentVariables(entry.Value);
+                        //NOTE: MSBuild variables are not expanded like they are in VS
+                        targetCommand.EnvironmentVariable(entry.Key, value);
+                    }
                 }
 
                 // Ignore Ctrl-C for the remainder of the command's execution
@@ -92,8 +110,9 @@ public RunCommand(string configuration,
             Interactive = interactive;
         }
 
-        private bool ApplyLaunchProfileSettingsIfNeeded(ref ICommand targetCommand)
+        private bool TryGetLaunchProfileSettingsIfNeeded(out ProjectLaunchSettingsModel launchSettingsModel)
         {
+            launchSettingsModel = default;
             if (!UseLaunchProfile)
             {
                 return true;
@@ -117,7 +136,8 @@ private bool ApplyLaunchProfileSettingsIfNeeded(ref ICommand targetCommand)
 
             if (File.Exists(launchSettingsPath))
             {
-                if (!HasQuietVerbosity) {
+                if (!HasQuietVerbosity)
+                {
                     Reporter.Output.WriteLine(string.Format(LocalizableStrings.UsingLaunchSettingsFromMessage, launchSettingsPath));
                 }
 
@@ -126,11 +146,15 @@ private bool ApplyLaunchProfileSettingsIfNeeded(ref ICommand targetCommand)
                 try
                 {
                     var launchSettingsFileContents = File.ReadAllText(launchSettingsPath);
-                    var applyResult = LaunchSettingsManager.TryApplyLaunchSettings(launchSettingsFileContents, ref targetCommand, LaunchProfile);
+                    var applyResult = LaunchSettingsManager.TryApplyLaunchSettings(launchSettingsFileContents, LaunchProfile);
                     if (!applyResult.Success)
                     {
                         Reporter.Error.WriteLine(string.Format(LocalizableStrings.RunCommandExceptionCouldNotApplyLaunchSettings, profileName, applyResult.FailureReason).Bold().Red());
                     }
+                    else
+                    {
+                        launchSettingsModel = applyResult.LaunchSettings;
+                    }
                 }
                 catch (IOException ex)
                 {
@@ -155,7 +179,7 @@ private void EnsureProjectIsBuilt()
                 new RestoringCommand(
                     restoreArgs.Prepend(Project),
                     restoreArgs,
-                    new [] { Project },
+                    new[] { Project },
                     NoRestore
                 ).Execute();
 

src/Cli/dotnet/commands/dotnet-run/xlf/LocalizableStrings.cs.xlf

@@ -32,6 +32,11 @@
         <target state="translated">Hodnotu vlastnosti {0} nejde převést na řetězec.</target>
         <note />
       </trans-unit>
+      <trans-unit id="RunCommandBuilding">
+        <source>Building...</source>
+        <target state="new">Building...</target>
+        <note />
+      </trans-unit>
       <trans-unit id="RunCommandException">
         <source>The build failed. Fix the build errors and run again.</source>
         <target state="translated">Sestavení se nepovedlo. Opravte v sestavení chyby a spusťte ho znovu.</target>

src/Cli/dotnet/commands/dotnet-run/xlf/LocalizableStrings.de.xlf

@@ -32,6 +32,11 @@
         <target state="translated">Der Wert der Eigenschaft "{0}" konnte nicht in eine Zeichenfolge konvertiert werden.</target>
         <note />
       </trans-unit>
+      <trans-unit id="RunCommandBuilding">
+        <source>Building...</source>
+        <target state="new">Building...</target>
+        <note />
+      </trans-unit>
       <trans-unit id="RunCommandException">
         <source>The build failed. Fix the build errors and run again.</source>
         <target state="translated">Fehler beim Buildvorgang. Beheben Sie die Buildfehler, und versuchen Sie es anschließend noch mal.</target>

src/Cli/dotnet/commands/dotnet-run/xlf/LocalizableStrings.es.xlf

@@ -32,6 +32,11 @@
         <target state="translated">No se pudo convertir el valor de la propiedad "{0}" en una cadena.</target>
         <note />
       </trans-unit>
+      <trans-unit id="RunCommandBuilding">
+        <source>Building...</source>
+        <target state="new">Building...</target>
+        <note />
+      </trans-unit>
       <trans-unit id="RunCommandException">
         <source>The build failed. Fix the build errors and run again.</source>
         <target state="translated">No se pudo llevar a cabo la compilación. Corrija los errores de compilación y vuelva a ejecutar el proyecto.</target>

src/Cli/dotnet/commands/dotnet-run/xlf/LocalizableStrings.fr.xlf

@@ -32,6 +32,11 @@
         <target state="translated">Impossible de convertir la valeur de la propriété '{0}' en chaîne.</target>
         <note />
       </trans-unit>
+      <trans-unit id="RunCommandBuilding">
+        <source>Building...</source>
+        <target state="new">Building...</target>
+        <note />
+      </trans-unit>
       <trans-unit id="RunCommandException">
         <source>The build failed. Fix the build errors and run again.</source>
         <target state="translated">La build a échoué. Corrigez les erreurs de la build et réexécutez-la.</target>

src/Cli/dotnet/commands/dotnet-run/xlf/LocalizableStrings.it.xlf

@@ -32,6 +32,11 @@
         <target state="translated">Non è stato possibile convertire il valore della proprietà '{0}' in una stringa.</target>
         <note />
       </trans-unit>
+      <trans-unit id="RunCommandBuilding">
+        <source>Building...</source>
+        <target state="new">Building...</target>
+        <note />
+      </trans-unit>
       <trans-unit id="RunCommandException">
         <source>The build failed. Fix the build errors and run again.</source>
         <target state="translated">La compilazione non è riuscita. Correggere gli errori di compilazione e ripetere l'esecuzione.</target>