77 lines
2.8 KiB
C#
77 lines
2.8 KiB
C#
// 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;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace Microsoft.DotNet.Cli.Utils
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{
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public class WindowsExePreferredCommandSpecFactory : IPlatformCommandSpecFactory
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{
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public CommandSpec CreateCommandSpec(
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string commandName,
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IEnumerable<string> args,
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string commandPath,
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CommandResolutionStrategy resolutionStrategy,
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IEnvironmentProvider environment)
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{
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var useCmdWrapper = false;
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if (Path.GetExtension(commandPath).Equals(".cmd", StringComparison.OrdinalIgnoreCase))
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{
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var preferredCommandPath = environment.GetCommandPath(commandName, ".exe");
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if (preferredCommandPath == null)
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{
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useCmdWrapper = true;
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}
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else
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{
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commandPath = preferredCommandPath;
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}
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}
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return useCmdWrapper
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? CreateCommandSpecWrappedWithCmd(commandPath, args, resolutionStrategy)
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: CreateCommandSpecFromExecutable(commandPath, args, resolutionStrategy);
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}
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private CommandSpec CreateCommandSpecFromExecutable(
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string command,
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IEnumerable<string> args,
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CommandResolutionStrategy resolutionStrategy)
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{
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var escapedArgs = ArgumentEscaper.EscapeAndConcatenateArgArrayForProcessStart(args);
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return new CommandSpec(command, escapedArgs, resolutionStrategy);
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}
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private CommandSpec CreateCommandSpecWrappedWithCmd(
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string command,
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IEnumerable<string> args,
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CommandResolutionStrategy resolutionStrategy)
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{
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var comSpec = Environment.GetEnvironmentVariable("ComSpec") ?? "cmd.exe";
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// Handle the case where ComSpec is already the command
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if (command.Equals(comSpec, StringComparison.OrdinalIgnoreCase))
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{
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command = args.FirstOrDefault();
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args = args.Skip(1);
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}
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var cmdEscapedArgs = ArgumentEscaper.EscapeAndConcatenateArgArrayForCmdProcessStart(args);
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if (!ArgumentEscaper.IsSurroundedWithQuotes(command) // Don't quote already quoted strings
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&& ArgumentEscaper.ShouldSurroundWithQuotes(command))
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{
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command = $"\"{command}\"";
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}
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var escapedArgString = $"/s /c \"{command} {cmdEscapedArgs}\"";
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return new CommandSpec(comSpec, escapedArgString, resolutionStrategy);
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}
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}
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}
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