Review comments updates.

Remaining Args are now being passed into the commands and passed through to OperationsExecutor and XyzOperations classes.

src/EFCore.Design/Design/Internal/AppServiceProviderFactory.cs

@@ -44,7 +44,7 @@ public virtual IServiceProvider Create([NotNull] string[] args)
             _reporter.WriteVerbose(DesignStrings.FindingServiceProvider);
 
             return CreateFromHosting(args)
-                   ?? CreateArgsServiceProvider(args);
+                   ?? CreateEmptyServiceProvider();
         }
 
         private IServiceProvider CreateFromHosting(string[] args)
@@ -97,13 +97,11 @@ private IServiceProvider CreateFromHosting(string[] args)
             }
         }
 
-        private IServiceProvider CreateArgsServiceProvider(string[] args)
+        private IServiceProvider CreateEmptyServiceProvider()
         {
             _reporter.WriteVerbose(DesignStrings.NoServiceProvider);
 
-            return new ServiceCollection()
-                .AddScoped(typeof(string[]), sp => args)
-                .BuildServiceProvider();
+            return new ServiceCollection().BuildServiceProvider();
         }
     }
 }

src/EFCore.Design/Design/Internal/DatabaseOperations.cs

@@ -25,6 +25,7 @@ public class DatabaseOperations
         private readonly string _rootNamespace;
         private readonly string _language;
         private readonly DesignTimeServicesBuilder _servicesBuilder;
+        private readonly string[] _args;
 
         /// <summary>
         ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
@@ -51,6 +52,7 @@ public DatabaseOperations(
             _projectDir = projectDir;
             _rootNamespace = rootNamespace;
             _language = language;
+            _args = args;
 
             _servicesBuilder = new DesignTimeServicesBuilder(assembly, startupAssembly, reporter, args);
         }

src/EFCore.Design/Design/Internal/MigrationsOperations.cs

@@ -32,6 +32,7 @@ public class MigrationsOperations
         private readonly string _language;
         private readonly DesignTimeServicesBuilder _servicesBuilder;
         private readonly DbContextOperations _contextOperations;
+        private readonly string[] _args;
 
         /// <summary>
         ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
@@ -60,6 +61,7 @@ public MigrationsOperations(
             _projectDir = projectDir;
             _rootNamespace = rootNamespace;
             _language = language;
+            _args = args;
             _contextOperations = new DbContextOperations(
                 reporter,
                 assembly,

src/EFCore.Design/Design/OperationExecutor.cs

@@ -48,7 +48,7 @@ public class OperationExecutor : MarshalByRefObject
         ///     <para><c>projectDir</c>--The target project's root directory.</para>
         ///     <para><c>rootNamespace</c>--The target project's root namespace.</para>
         ///     <para><c>language</c>--The programming language to be used to generate classes.</para>
-        ///     <para><c>appArgs</c>--Extra arguments passed into the operation.</para>
+        ///     <para><c>remainingArguments</c>--Extra arguments passed into the operation.</para>
         /// </summary>
         /// <param name="reportHandler"> The <see cref="IOperationReportHandler" />. </param>
         /// <param name="args"> The executor arguments. </param>
@@ -63,7 +63,7 @@ public OperationExecutor([NotNull] IOperationReportHandler reportHandler, [NotNu
             _projectDir = (string)args["projectDir"];
             _rootNamespace = (string)args["rootNamespace"];
             _language = (string)args["language"];
-            _designArgs = (string[])args["appArgs"];
+            _designArgs = (string[])args["remainingArguments"];
 
             var toolsVersion = (string)args["toolsVersion"];
             var runtimeVersion = ProductInfo.GetVersion();

src/dotnet-ef/RootCommand.cs

@@ -53,7 +53,7 @@ public override void Configure(CommandLineApplication command)
             _command = command;
         }
 
-        protected override int Execute()
+        protected override int Execute(string[] _)
         {
             var commands = _args.TakeWhile(a => a[0] != '-').ToList();
             if (_help.HasValue()

src/ef/AppDomainOperationExecutor.cs

@@ -24,8 +24,9 @@ public AppDomainOperationExecutor(
             string projectDir,
             string dataDirectory,
             string rootNamespace,
-            string language)
-            : base(assembly, startupAssembly, projectDir, rootNamespace, language)
+            string language,
+            string[] remainingArguments)
+            : base(assembly, startupAssembly, projectDir, rootNamespace, language, remainingArguments)
         {
             var info = new AppDomainSetup { ApplicationBase = AppBasePath };
 
@@ -66,7 +67,8 @@ public AppDomainOperationExecutor(
                         { "projectDir", ProjectDirectory },
                         { "rootNamespace", RootNamespace },
                         { "language", Language },
-                        { "toolsVersion", ProductInfo.GetVersion() }
+                        { "toolsVersion", ProductInfo.GetVersion() },
+                        { "remainingArguments", RemainingArguments }
                     }
                 },
                 null,

src/ef/CommandLineUtils/CommandLineApplication.cs

@@ -27,14 +27,14 @@ private enum ParseOptionResult
         // remaining arguments, including the first unexpected argument, will be stored in RemainingArguments property.
         private readonly bool _throwOnUnexpectedArg;
 
-        public CommandLineApplication(bool throwOnUnexpectedArg = true)
+        public CommandLineApplication(bool throwOnUnexpectedArg = false)
         {
             _throwOnUnexpectedArg = throwOnUnexpectedArg;
             Options = new List<CommandOption>();
             Arguments = new List<CommandArgument>();
             Commands = new List<CommandLineApplication>();
             RemainingArguments = new List<string>();
-            Invoke = () => 0;
+            Invoke = (args) => 0;
         }
 
         public CommandLineApplication Parent { get; set; }
@@ -48,7 +48,7 @@ public CommandLineApplication(bool throwOnUnexpectedArg = true)
         public List<CommandArgument> Arguments { get; }
         public List<string> RemainingArguments { get; }
         public bool IsShowingInformation { get; protected set; } // Is showing help or version?
-        public Func<int> Invoke { get; set; }
+        public Func<string[],  int> Invoke { get; set; }
         public Func<string> LongVersionGetter { get; set; }
         public Func<string> ShortVersionGetter { get; set; }
         public List<CommandLineApplication> Commands { get; }
@@ -62,7 +62,7 @@ public CommandLineApplication Command(string name, bool throwOnUnexpectedArg = t
 
         public CommandLineApplication Command(
             string name, Action<CommandLineApplication> configuration,
-            bool throwOnUnexpectedArg = true)
+            bool throwOnUnexpectedArg = false)
         {
             var command = new CommandLineApplication(throwOnUnexpectedArg) { Name = name, Parent = this };
             Commands.Add(command);
@@ -98,9 +98,9 @@ public CommandArgument Argument(string name, string description, Action<CommandA
             return argument;
         }
 
-        public void OnExecute(Func<int> invoke) => Invoke = invoke;
+        public void OnExecute(Func<string[], int> invoke) => Invoke = invoke;
 
-        public void OnExecute(Func<Task<int>> invoke) => Invoke = () => invoke().Result;
+        public void OnExecute(Func<string[], Task<int>> invoke) => Invoke = (args) => invoke(args).Result;
 
         public int Execute(params string[] args)
         {
@@ -158,7 +158,7 @@ public int Execute(params string[] args)
                 }
             }
 
-            return command.Invoke();
+            return command.Invoke(command.RemainingArguments.ToArray());
         }
 
         private ParseOptionResult ParseOption(

src/ef/Commands/CommandBase.cs

@@ -1,43 +1,40 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System.Collections.Generic;
+using JetBrains.Annotations;
 using Microsoft.DotNet.Cli.CommandLine;
 using Microsoft.EntityFrameworkCore.Tools.Properties;
 
 namespace Microsoft.EntityFrameworkCore.Tools.Commands
 {
     internal abstract class CommandBase
     {
-        protected string[] RemainingArguments { get; private set; }
-
         public virtual void Configure(CommandLineApplication command)
         {
             var verbose = command.Option("-v|--verbose", Resources.VerboseDescription);
             var noColor = command.Option("--no-color", Resources.NoColorDescription);
             var prefixOutput = command.Option("--prefix-output", Resources.PrefixDescription);
 
             command.HandleResponseFiles = true;
-            RemainingArguments = command.RemainingArguments.ToArray();
 
             command.OnExecute(
-                () =>
+                (args) =>
                 {
                     Reporter.IsVerbose = verbose.HasValue();
                     Reporter.NoColor = noColor.HasValue();
                     Reporter.PrefixOutput = prefixOutput.HasValue();
 
                     Validate();
 
-                    return Execute();
+                    return Execute(args);
                 });
         }
 
         protected virtual void Validate()
         {
         }
 
-        protected virtual int Execute()
+        protected virtual int Execute([NotNull] string[] args)
             => 0;
     }
 }

src/ef/Commands/DatabaseDropCommand.cs

@@ -9,13 +9,13 @@ namespace Microsoft.EntityFrameworkCore.Tools.Commands
     // ReSharper disable once ArrangeTypeModifiers
     internal partial class DatabaseDropCommand
     {
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var executor = CreateExecutor();
+            var executor = CreateExecutor(args);
 
             void LogDropCommand(Func<object, object, string> resource)
             {
-                var result = executor.GetContextInfo(Context.Value(), RemainingArguments);
+                var result = executor.GetContextInfo(Context.Value());
                 var databaseName = result["DatabaseName"] as string;
                 var dataSource = result["DataSource"] as string;
                 Reporter.WriteInformation(resource(databaseName, dataSource));
@@ -38,9 +38,9 @@ void LogDropCommand(Func<object, object, string> resource)
                 }
             }
 
-            executor.DropDatabase(Context.Value(), RemainingArguments);
+            executor.DropDatabase(Context.Value());
 
-            return base.Execute();
+            return base.Execute(args);
         }
     }
 }

src/ef/Commands/DatabaseUpdateCommand.cs

@@ -6,11 +6,11 @@ namespace Microsoft.EntityFrameworkCore.Tools.Commands
     // ReSharper disable once ArrangeTypeModifiers
     internal partial class DatabaseUpdateCommand
     {
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            CreateExecutor().UpdateDatabase(_migration.Value, _connection.Value(), Context.Value(), RemainingArguments);
+            CreateExecutor(args).UpdateDatabase(_migration.Value, _connection.Value(), Context.Value());
 
-            return base.Execute();
+            return base.Execute(args);
         }
     }
 }

src/ef/Commands/DbContextInfoCommand.cs

@@ -9,9 +9,9 @@ namespace Microsoft.EntityFrameworkCore.Tools.Commands
     // ReSharper disable once ArrangeTypeModifiers
     internal partial class DbContextInfoCommand
     {
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var result = CreateExecutor().GetContextInfo(Context.Value(), RemainingArguments);
+            var result = CreateExecutor(args).GetContextInfo(Context.Value());
 
             if (_json.HasValue())
             {
@@ -22,7 +22,7 @@ protected override int Execute()
                 ReportResult(result);
             }
 
-            return base.Execute();
+            return base.Execute(args);
         }
 
         private static void ReportJsonResult(IDictionary result)

src/ef/Commands/DbContextListCommand.cs

@@ -11,9 +11,9 @@ namespace Microsoft.EntityFrameworkCore.Tools.Commands
     // ReSharper disable once ArrangeTypeModifiers
     internal partial class DbContextListCommand
     {
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var types = CreateExecutor().GetContextTypes().ToList();
+            var types = CreateExecutor(args).GetContextTypes().ToList();
 
             if (_json.HasValue())
             {
@@ -24,7 +24,7 @@ protected override int Execute()
                 ReportResults(types);
             }
 
-            return base.Execute();
+            return base.Execute(args);
         }
 
         private static void ReportJsonResults(IReadOnlyList<IDictionary> contextTypes)

src/ef/Commands/DbContextScaffoldCommand.cs

@@ -25,9 +25,9 @@ protected override void Validate()
             }
         }
 
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var result = CreateExecutor().ScaffoldContext(
+            var result = CreateExecutor(args).ScaffoldContext(
                 _provider.Value,
                 _connection.Value,
                 _outputDir.Value(),
@@ -37,14 +37,13 @@ protected override int Execute()
                 _tables.Values,
                 _dataAnnotations.HasValue(),
                 _force.HasValue(),
-                _useDatabaseNames.HasValue(),
-                RemainingArguments);
+                _useDatabaseNames.HasValue());
             if (_json.HasValue())
             {
                 ReportJsonResults(result);
             }
 
-            return base.Execute();
+            return base.Execute(args);
         }
 
         private static void ReportJsonResults(IDictionary result)

src/ef/Commands/DbContextScriptCommand.cs

@@ -10,10 +10,9 @@ namespace Microsoft.EntityFrameworkCore.Tools.Commands
     // ReSharper disable once ArrangeTypeModifiers
     internal partial class DbContextScriptCommand
     {
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var sql = CreateExecutor().ScriptDbContext(
-                Context.Value(), RemainingArguments);
+            var sql = CreateExecutor(args).ScriptDbContext(Context.Value());
 
             if (!_output.HasValue())
             {
@@ -37,7 +36,7 @@ protected override int Execute()
                 File.WriteAllText(output, sql, Encoding.UTF8);
             }
 
-            return base.Execute();
+            return base.Execute(args);
         }
     }
 }

src/ef/Commands/HelpCommandBase.cs

@@ -16,11 +16,11 @@ public override void Configure(CommandLineApplication command)
             base.Configure(command);
         }
 
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
             _command.ShowHelp();
 
-            return base.Execute();
+            return base.Execute(args);
         }
     }
 }

src/ef/Commands/MigrationsAddCommand.cs

@@ -19,9 +19,10 @@ protected override void Validate()
             }
         }
 
-        protected override int Execute()
+        protected override int Execute(string[] args)
         {
-            var files = CreateExecutor().AddMigration(_name.Value, _outputDir.Value(), Context.Value(), RemainingArguments);
+            var files = CreateExecutor(args)
+                .AddMigration(_name.Value, _outputDir.Value(), Context.Value());
 
             if (_json.HasValue())
             {
@@ -32,7 +33,7 @@ protected override int Execute()
                 Reporter.WriteInformation(Resources.MigrationsAddCompleted);
             }
 
-            return base.Execute();
+            return base.Execute(args);
         }
 
         private static void ReportJson(IDictionary files)