92 lines
3.5 KiB
C#
92 lines
3.5 KiB
C#
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more 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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using System.Xml;
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using System.Xml.Linq;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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namespace Microsoft.DotNet.Build.Tasks
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{
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/*
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* This task updates the package source mappings in the NuGet.Config.
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* If package source mappings are used, source-build packages sources will be added with the cumulative package patterns
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* for all of the existing package sources. When building offline, the existing package source mappings will be removed;
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* otherwise they will be preserved after the source-build sources.
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*/
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public class UpdateNuGetConfigPackageSourcesMappings : Task
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{
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[Required]
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public string NuGetConfigFile { get; set; }
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/// <summary>
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/// Whether to work in offline mode (remove all internet sources) or online mode (remove only authenticated sources)
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/// </summary>
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public bool BuildWithOnlineSources { get; set; }
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/// <summary>
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/// A list of all source-build specific NuGet sources.
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/// </summary>
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public string[] SourceBuildSources { get; set; }
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public override bool Execute()
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{
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string xml = File.ReadAllText(NuGetConfigFile);
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string newLineChars = FileUtilities.DetectNewLineChars(xml);
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XDocument document = XDocument.Parse(xml);
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XElement pkgSrcMappingElement = document.Root.Descendants().FirstOrDefault(e => e.Name == "packageSourceMapping");
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if (pkgSrcMappingElement == null)
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{
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return true;
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}
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// Union all package sources to get the distinct list. These will get added to the source-build sources.
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IEnumerable<string> packagePatterns = pkgSrcMappingElement.Descendants()
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.Where(e => e.Name == "packageSource")
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.SelectMany(e => e.Descendants().Where(e => e.Name == "package"))
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.Select(e => e.Attribute("pattern").Value)
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.Distinct();
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if (!BuildWithOnlineSources)
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{
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// When building offline remove all packageSourceMappings.
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pkgSrcMappingElement?.ReplaceNodes(new XElement("clear"));
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}
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XElement pkgSrcMappingClearElement = pkgSrcMappingElement.Descendants().FirstOrDefault(e => e.Name == "clear");
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foreach (string packageSource in SourceBuildSources)
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{
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XElement pkgSrc = new XElement("packageSource", new XAttribute("key", packageSource));
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foreach (string packagePattern in packagePatterns)
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{
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pkgSrc.Add(new XElement("package", new XAttribute("pattern", packagePattern)));
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}
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if (pkgSrcMappingClearElement != null)
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{
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pkgSrcMappingClearElement.AddAfterSelf(pkgSrc);
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}
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else
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{
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pkgSrcMappingElement.AddFirst(pkgSrc);
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pkgSrcMappingElement.AddFirst(new XElement("clear"));
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}
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}
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using (var writer = XmlWriter.Create(NuGetConfigFile, new XmlWriterSettings { NewLineChars = newLineChars, Indent = true }))
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{
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document.Save(writer);
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}
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return true;
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}
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}
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}
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