用< Generator>调用NuGet程序包中的工具，得到意外的“未找到".错误 [英] Invoking tool in a NuGet package with <Generator>, getting unexpected "was not found" error

问题描述

在.NET Core 3.0项目中，我已经安装了 Google.Protobuf.Tools ，

In a .NET Core 3.0 project, I've installed Google.Protobuf.Tools,

<PackageReference Include="Google.Protobuf" Version="3.10.0" />
<PackageReference Include="Google.Protobuf.Tools" Version="3.10.0" />

所需的 protoc 二进制文件

C:\Users\jdphe>dir %USERPROFILE%\.nuget\packages\google.protobuf.tools\3.10.0\tools\windows_x64
 Volume in drive C has no label.
 Volume Serial Number is 967E-3D8C

 Directory of C:\Users\jdphe\.nuget\packages\google.protobuf.tools\3.10.0\tools\windows_x64

10/14/2019  07:36 PM    <DIR>          .
10/14/2019  07:36 PM    <DIR>          ..
10/02/2019  06:08 PM         3,611,120 protoc.exe
              1 File(s)      3,611,120 bytes
              2 Dir(s)  152,718,581,760 bytes free

但是，当尝试使用csproj中的< Generator> 标签调用 protoc 时，

However, when attempting to invoke protoc with the <Generator> tag in my csproj,

<None Update="Person.proto">
  <Generator>$(NugetPackageRoot)google.protobuf.tools\3.10.0\tools\windows_x64\protoc.exe --csharp_out=Model Person.proto</Generator>
</None>

未找到生成器"C:\ Users \ jdphe.nuget \ packages \ google.protobuf.tools \ 3.10.0 \ tools \ windows_x64 \ protoc.exe --csharp_out = Model Person.proto".请验证名称.

The generator 'C:\Users\jdphe.nuget\packages\google.protobuf.tools\3.10.0\tools\windows_x64\protoc.exe --csharp_out=Model Person.proto' was not found. Please verify the name.

我已验证该命令可以从命令行的项目文件夹中按预期运行

I've verified that the command runs as expected from the project folder on the command line,

C:\ Users \ jdphe \ source \ repos \ Phenix.Protobufconcat \ Phenix.Protobufconcat>％USERPROFILE％.nuget \ packages \ google.protobuf.tools \ 3.10.0 \ tools \ windows_x64 \ protoc.exe --csharp_out=模型Person.proto

C:\Users\jdphe\source\repos\Phenix.Protobufconcat\Phenix.Protobufconcat> %USERPROFILE%.nuget\packages\google.protobuf.tools\3.10.0\tools\windows_x64\protoc.exe --csharp_out=Model Person.proto

我可能不了解< Generator> 标记应该如何工作，但是我不确定.

I may not be understanding how the <Generator> tag is supposed to work, but I'm not sure.

推荐答案

根据您的错误消息，找不到Person.proto.尝试使用完整的路径.这可能有效:

Based on your error message, it can't find Person.proto. Try putting the complete path to it. This might work:

$(NugetPackageRoot)google.protobuf.tools\3.10.0\tools\windows_x64\protoc.exe --csharp_out=$(ProjectDir)Model $(ProjectDir)Person.proto 

此外，另一种选择(如果您使用的是Visual Studio 2019，则好像使用的是)是使用MSBuild预构建事件.我在此处中列出了一个可行的解决方案.

Also, another option (if you are using Visual Studio 2019 and it seems like you are) is to use a MSBuild pre-build event. I have a working solution listed at the answer here.

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