Merge pull request #5220 from mishra14/dev-anmishr-dotnetremovepackage

Adding dotnet remove package sub command

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

@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using Microsoft.DotNet.Cli;
+using Microsoft.DotNet.Tools.Remove.PackageReference;
 using Microsoft.DotNet.Tools.Remove.ProjectFromSolution;
 using Microsoft.DotNet.Tools.Remove.ProjectToProjectReference;
 
@@ -18,6 +19,7 @@ namespace Microsoft.DotNet.Tools.Remove
             {
                 RemoveProjectFromSolutionCommand.Create,
                 RemoveProjectToProjectReferenceCommand.Create,
+                RemovePackageReferenceCommand.Create
             };
 
         public static int Run(string[] args)

src/dotnet/commands/dotnet-remove/dotnet-remove-package/LocalizableStrings.cs

@@ -0,0 +1,17 @@
+// 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.Remove.PackageReference
+{
+    internal class LocalizableStrings
+    {
+        public const string AppFullName = ".NET Remove Package reference Command.";
+
+        public const string AppDescription = "Command to remove package reference.";
+
+        public const string AppHelpText = "Package reference to remove.";
+
+        public const string SpecifyExactlyOnePackageReference = "Please specify only one package reference to remove.";
+
+    }
+}

src/dotnet/commands/dotnet-remove/dotnet-remove-package/Program.cs

@@ -0,0 +1,76 @@
+// 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 Microsoft.Build.Evaluation;
+using Microsoft.DotNet.Cli;
+using Microsoft.DotNet.Cli.CommandLine;
+using Microsoft.DotNet.Cli.Utils;
+using Microsoft.DotNet.Tools.Common;
+using Microsoft.DotNet.Tools.MSBuild;
+using Microsoft.DotNet.Tools.NuGet;
+using NuGet.Frameworks;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Microsoft.DotNet.Tools.Remove.PackageReference
+{
+    internal class RemovePackageReferenceCommand : DotNetSubCommandBase
+    {
+
+        public static DotNetSubCommandBase Create()
+        {
+            var command = new RemovePackageReferenceCommand
+            {
+                Name = "package",
+                FullName = LocalizableStrings.AppFullName,
+                Description = LocalizableStrings.AppDescription,
+                HandleRemainingArguments = true,
+                ArgumentSeparatorHelpText = LocalizableStrings.AppHelpText,
+            };
+
+            command.HelpOption("-h|--help");
+
+            return command;
+        }
+
+        public override int Run(string fileOrDirectory)
+        {
+            if (RemainingArguments.Count != 1)
+            {
+                throw new GracefulException(LocalizableStrings.SpecifyExactlyOnePackageReference);
+            }
+
+            var projectFilePath = string.Empty;
+
+            if (!File.Exists(fileOrDirectory))
+            {
+                projectFilePath = MsbuildProject.GetProjectFileFromDirectory(fileOrDirectory).FullName;
+            }
+            else
+            {
+                projectFilePath = fileOrDirectory;
+            }
+
+            var packageToRemove = RemainingArguments.First();
+            var result = NuGetCommand.Run(TransformArgs(packageToRemove, projectFilePath));
+
+            return result;
+        }
+
+        private string[] TransformArgs(string packageId, string projectFilePath)
+        {
+            return new string[]{
+                "package",
+                "remove",
+                "--package",
+                packageId,
+                "--project",
+                projectFilePath
+            };
+        }
+    }
+}