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c# - 由于传递依赖，提供运行时标识符时，Dotnet 还原失败

问题描述

为什么提供运行时标识符时我的构建/恢复失败win-x64？为什么我不这样做时它会起作用？我在尝试独立构建时偶然发现了这一点。

换句话说：为什么会有不同dotnet restore --runtime win-x64的dotnet restore依赖图？

当我netcoreapp2.1用作目标框架时它可以工作，但它与netcoreapp3.1or中断net5.0。当我删除任何一个直接依赖项时，它也可以工作。

<Project Sdk="Microsoft.NET.Sdk">
  <PropertyGroup>
    <OutputType>Exe</OutputType>
    <TargetFramework>net5.0</TargetFramework>
  </PropertyGroup>
    <ItemGroup>
        <PackageReference Include="Microsoft.Azure.WebJobs" Version="3.0.23" />
        <PackageReference Include="Serilog.Sinks.RollingFileAlternate" Version="2.0.9" />
    </ItemGroup>
</Project>

> dotnet restore
  Determining projects to restore...
  Restored ...\ConsoleApp1\ConsoleApp1.csproj (in 289 ms).

> dotnet restore --runtime win-x64

  Determining projects to restore...
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.InteropServices from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> Microsoft.Win32.Primitives 4.0.1 -> runtime.win.Microsoft.Win32.Primitives 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.IO.FileSystem.Primitives from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Console 4.0.0 -> runtime.win.System.Console 4.3.0 -> System.IO.FileSystem.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem.Primitives (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.InteropServices from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Console 4.0.0 -> runtime.win.System.Console 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Text.Encoding.Extensions from 4.3.0 to 4.0.11. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Console 4.0.0 -> runtime.win.System.Console 4.3.0 -> System.Text.Encoding.Extensions (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Text.Encoding.Extensions (>= 4.0.11) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.IO.FileSystem.Primitives from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem 4.0.1 -> runtime.win.System.IO.FileSystem 4.3.0 -> System.IO.FileSystem.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem.Primitives (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.Handles from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem 4.0.1 -> runtime.win.System.IO.FileSystem 4.3.0 -> System.Runtime.Handles (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.Handles (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.InteropServices from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem 4.0.1 -> runtime.win.System.IO.FileSystem 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Text.Encoding.Extensions from 4.3.0 to 4.0.11. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem 4.0.1 -> runtime.win.System.IO.FileSystem 4.3.0 -> System.Text.Encoding.Extensions (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Text.Encoding.Extensions (>= 4.0.11) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: Microsoft.Win32.Primitives from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Primitives 4.0.11 -> runtime.win.System.Net.Primitives 4.3.0 -> Microsoft.Win32.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> Microsoft.Win32.Primitives (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Diagnostics.Tracing from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Primitives 4.0.11 -> runtime.win.System.Net.Primitives 4.3.0 -> System.Diagnostics.Tracing (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Diagnostics.Tracing (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.Handles from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Primitives 4.0.11 -> runtime.win.System.Net.Primitives 4.3.0 -> System.Runtime.Handles (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.Handles (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.InteropServices from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Primitives 4.0.11 -> runtime.win.System.Net.Primitives 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Diagnostics.Tracing from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.Diagnostics.Tracing (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Diagnostics.Tracing (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.IO.FileSystem from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.IO.FileSystem (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.IO.FileSystem.Primitives from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.IO.FileSystem.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem.Primitives (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Net.Primitives from 4.3.0 to 4.0.11. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.Net.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Primitives (>= 4.0.11) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.Handles from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.Runtime.Handles (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.Handles (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Runtime.InteropServices from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: System.Diagnostics.Tracing from 4.3.0 to 4.1.0. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.IO.FileSystem 4.0.1 -> runtime.win.System.IO.FileSystem 4.3.0 -> System.Buffers 4.3.0 -> System.Diagnostics.Tracing (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Diagnostics.Tracing (>= 4.1.0) [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605: Detected package downgrade: Microsoft.Win32.Primitives from 4.3.0 to 4.0.1. Reference the package directly from the project to select a different version.  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Net.Sockets 4.1.0 -> runtime.win.System.Net.Sockets 4.3.0 -> System.Security.Principal.Windows 4.3.0 -> Microsoft.Win32.Primitives (>= 4.3.0)  [...\ConsoleApp1\ConsoleApp1.sln]
...\ConsoleApp1\ConsoleApp1.csproj : error NU1605:  ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> Microsoft.Win32.Primitives (>= 4.0.1) [...\ConsoleApp1\ConsoleApp1.sln]
  Failed to restore ...\ConsoleApp1\ConsoleApp1.csproj (in 406 ms).

我知道我可以通过添加这些依赖项来“修复”它，但我更喜欢更好的解决方案。

<PackageReference Include="Microsoft.Win32.Primitives" Version="4.3.0" />
<PackageReference Include="System.Net.Primitives" Version="4.3.1" />
<PackageReference Include="System.IO.FileSystem.Primitives" Version="4.3.0" />
<PackageReference Include="System.IO.FileSystem" Version="4.3.0" />

标签： c#.netmsbuildnuget

解决方案

First, a nit on terminology. netcoreapp2.1, netcoreapp3.1 and net5.0 are generally called Target Frameworks (and more formally Target Framework Monikers, often abbreviated to TFM). Runtime Identifers (often abbreviated to RID) identify a platform that .NET (Core) is running on top of. They include linux-x64 (Linux on x86_64), win-arm64 (Windows on Arm64) and so on.

A Target Framework identifies the Framework that your application is targeting. A Target Framework includes a number of assemblies (such as System.Collections.Generic, or System.Runtime.InteropServices) that it contains. All those assemblies are at specific versions.

Serilog.Sinks.RollingFileAlternate, as an assembly, also depends on other assemblies. You can see such a few such dependency chains in your output:

ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> Microsoft.Win32.Primitives 4.0.1 -> runtime.win.Microsoft.Win32.Primitives 4.3.0 -> System.Runtime.InteropServices (>= 4.3.0)
ConsoleApp1 -> Serilog.Sinks.RollingFileAlternate 2.0.9 -> NETStandard.Library 1.6.0 -> System.Runtime.InteropServices (>= 4.1.0)

Looking at the second line first, it says Serilog depends on the NETStandard.Library 1.6.0 (equivalent to netstandard1.6 TFM), which depends on a particular version of System.Runtime.InteropServices, 4.1.0.

The first line says that Serilog depends on Microsoft.Win32.Primitives, which depends on the runtime package runtime.win.Microsoft.Win32.Primitives. As I understand it, these runtime.* packages are provided by your .NET SDK/Runtime installation. So using this leads to a dependency on a newer version of System.Runtime.InteropServices.

Because two different dependency chains lead to two different versions of `System.Runtime.InteropServices being required, this gets flagged as a downgrade.

If you use netcoreapp2.1 (.NET Core 2.1), that has the runtime.win.Microsoft.Win32.Primitives package at the lower (and matching) version (4.1.0). In that case, all dependency chains would lead to the same version, and there's no package downgrade identified.

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