67 lines
No EOL
2.2 KiB
C#
67 lines
No EOL
2.2 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.IO;
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using System.Linq;
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using Microsoft.Build.Framework;
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using Microsoft.Build.Utilities;
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using Microsoft.Extensions.DependencyModel;
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namespace Microsoft.DotNet.Cli.Build
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{
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/// <summary>
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/// Merges additional .deps.json files into target .deps.json files.
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/// </summary>
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public class AddToDeps : Task
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{
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/// <summary>
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/// Paths to target .deps.json files, into which <see cref="AdditionalDeps" /> will be merged.
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/// These files will be overwritten with the merge result.
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/// </summary>
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[Required]
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public string[] TargetDeps { get; set; }
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/// <summary>
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/// Paths to additional .deps.json files to merge into <see cref="TargetDeps" />.
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/// </summary>
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[Required]
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public string[] AdditionalDeps { get; set; }
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public override bool Execute()
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{
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DependencyContext additionalContext = Read(AdditionalDeps.First());
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foreach (string additionalPath in AdditionalDeps.Skip(1))
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{
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additionalContext = additionalContext.Merge(Read(additionalPath));
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}
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foreach (string targetPath in TargetDeps)
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{
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DependencyContext targetContext = Read(targetPath).Merge(additionalContext);
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Write(targetContext, targetPath);
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}
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return true;
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}
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private static DependencyContext Read(string path)
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{
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using (FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read))
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using (var reader = new DependencyContextJsonReader())
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{
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return reader.Read(stream);
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}
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}
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private static void Write(DependencyContext context, string path)
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{
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using (FileStream stream = File.Open(path, FileMode.Create, FileAccess.Write, FileShare.Read))
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{
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var writer = new DependencyContextWriter(); // unlike reader, writer is not disposable
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writer.Write(context, stream);
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}
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}
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}
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} |