66 lines
2.1 KiB
C#
66 lines
2.1 KiB
C#
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// Copyright (c) .NET Foundation and contributors. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System.Reflection;
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using Microsoft.DotNet.Cli.Utils;
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namespace Microsoft.DotNet.Tools.Help
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{
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public class HelpCommand
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{
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private const string ProductLongName = ".NET Command Line Tools";
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private const string UsageText = @"Usage: dotnet [common-options] [command] [arguments]
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Arguments:
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[command] The command to execute
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[arguments] Arguments to pass to the command
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Common Options (passed before the command):
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-v|--verbose Enable verbose output
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--version Display .NET CLI Version Info
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Common Commands:
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new Initialize a basic .NET project
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restore Restore dependencies specified in the .NET project
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build Builds a .NET project
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publish Publishes a .NET project for deployment (including the runtime)
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run Compiles and immediately executes a .NET project
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repl Launch an interactive session (read, eval, print, loop)
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pack Creates a NuGet package";
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private static readonly string ProductVersion = GetProductVersion();
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private static string GetProductVersion()
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{
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var attr = typeof(HelpCommand).GetTypeInfo().Assembly.GetCustomAttribute<AssemblyInformationalVersionAttribute>();
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return attr?.InformationalVersion;
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}
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public static int Run(string[] args)
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{
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if (args.Length == 0)
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{
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PrintHelp();
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return 0;
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}
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else
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{
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return Cli.Program.Main(new[] { args[0], "--help" });
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}
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}
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public static void PrintHelp()
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{
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PrintVersionHeader();
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Reporter.Output.WriteLine(UsageText);
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}
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public static void PrintVersionHeader()
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{
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var versionString = string.IsNullOrEmpty(ProductVersion) ?
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string.Empty :
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$" ({ProductVersion})";
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Reporter.Output.WriteLine(ProductLongName + versionString);
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}
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}
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}
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