85 lines
2.6 KiB
C#
85 lines
2.6 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 Microsoft.Build.Construction;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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using System;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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namespace Microsoft.DotNet.Cli.Build
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{
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public class GenerateNuGetPackagesArchiveVersion : Task
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{
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public GenerateNuGetPackagesArchiveVersion()
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{
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}
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[Required]
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public string RepoRoot { get; set; }
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[Output]
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public String Version { get; set; }
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private static string[] s_TemplatesToArchive = new string[]
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{
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"CSharp_Web",
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"CSharp_Web1.1",
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};
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public override bool Execute()
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{
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var dataToHash = string.Empty;
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foreach (string templateToArchive in s_TemplatesToArchive)
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{
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var templatePath = Path.Combine(
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RepoRoot,
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"src",
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"dotnet",
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"commands",
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"dotnet-new",
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templateToArchive,
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"$projectName$.csproj");
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var rootElement = ProjectRootElement.Open(templatePath);
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var packageRefs = rootElement.Items.Where(i => i.ItemType == "PackageReference").ToList();
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foreach (var packageRef in packageRefs)
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{
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dataToHash += $"{packageRef.Include},";
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if (packageRef.HasMetadata)
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{
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foreach (var metadata in packageRef.Metadata)
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{
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dataToHash += $"{metadata.Name}={metadata.Value};";
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}
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}
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}
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}
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Log.LogMessage($"NuGet Packages Archive Data To Hash: '{dataToHash}'");
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var sha256 = SHA256.Create();
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var hashBytes = sha256.ComputeHash(Encoding.Unicode.GetBytes(dataToHash));
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Version = GetHashString(hashBytes);
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Log.LogMessage($"NuGet Packages Archive Version: '{Version}'");
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return true;
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}
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private string GetHashString(byte[] hashBytes)
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{
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StringBuilder builder = new StringBuilder(hashBytes.Length * 2);
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foreach (var b in hashBytes)
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{
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builder.AppendFormat("{0:x2}", b);
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}
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return builder.ToString();
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}
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}
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}
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