VSTS：## [错误]没有找到提供的环境变量的值

Question

我花了好几个小时试图找出这一个，并根本不能。 FWIW，这个项目可以从本地命令行和TeamCity中打包。它也建立在VSTS上，但是这个错误会导致任务失败。什么环境变量是在visualstudio.com构建中寻找的Nuget包任务？

以下是相关文件和任务配置：

package.nuspec：

<?xml version="1.0"?> 
<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd"> 
    <metadata> 
    <id>VDS.AppCore.Formatters</id> 
    <version>$version$</version> 
    <title>VDS AppCore Formatters</title> 
    <authors>Visual Data Solutions, Inc.</authors> 
    <owners>Visual Data Solutions, Inc.</owners> 
    <requireLicenseAcceptance>false</requireLicenseAcceptance> 
    <description>VDS AppCore Formatters</description> 
    <copyright>Copyright © Visual Data Solutions, Inc. 2010-2017</copyright> 
    </metadata> 
    <files> 
    <file src="$SolutionDir$VDS.AppCore.Formatters\bin\$Configuration$\VDS.AppCore.Formatters.dll" target="lib\net45" /> 
    <file src="$SolutionDir$VDS.AppCore.Formatters\bin\$Configuration$\VDS.AppCore.Formatters.pdb" target="lib\net45" /> 
    <file src="$SolutionDir$VDS.AppCore.Formatters\**\*.cs" target="src" /> 
    </files> 
</package> 

的.csproj

<?xml version="1.0" encoding="utf-8"?> 
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> 
    <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" /> 
    <PropertyGroup> 
    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> 
    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> 
    <ProjectGuid>{BED8C9D5-954F-47AA-9BDA-531D125209C0}</ProjectGuid> 
    <OutputType>Library</OutputType> 
    <AppDesignerFolder>Properties</AppDesignerFolder> 
    <RootNamespace>VDS.AppCore.Formatters</RootNamespace> 
    <AssemblyName>VDS.AppCore.Formatters</AssemblyName> 
    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion> 
    <FileAlignment>512</FileAlignment> 
    </PropertyGroup> 
    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> 
    <DebugSymbols>true</DebugSymbols> 
    <DebugType>full</DebugType> 
    <Optimize>false</Optimize> 
    <OutputPath>bin\Debug\</OutputPath> 
    <DefineConstants>DEBUG;TRACE</DefineConstants> 
    <ErrorReport>prompt</ErrorReport> 
    <WarningLevel>4</WarningLevel> 
    </PropertyGroup> 
    <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> 
    <DebugType>pdbonly</DebugType> 
    <Optimize>true</Optimize> 
    <OutputPath>bin\Release\</OutputPath> 
    <DefineConstants>TRACE</DefineConstants> 
    <ErrorReport>prompt</ErrorReport> 
    <WarningLevel>4</WarningLevel> 
    </PropertyGroup> 
    <ItemGroup> 
    <Reference Include="System" /> 
    <Reference Include="System.Core" /> 
    <Reference Include="System.Xml.Linq" /> 
    <Reference Include="System.Data.DataSetExtensions" /> 
    <Reference Include="Microsoft.CSharp" /> 
    <Reference Include="System.Data" /> 
    <Reference Include="System.Net.Http" /> 
    <Reference Include="System.Xml" /> 
    </ItemGroup> 
    <ItemGroup> 
    <Compile Include="CsvFormatter.cs" /> 
    <Compile Include="DataFormatters.cs" /> 
    <Compile Include="DefaultFormatters.cs" /> 
    <Compile Include="Formatters.cs" /> 
    <Compile Include="IDataFormatter.cs" /> 
    <Compile Include="IDataFormatters.cs" /> 
    <Compile Include="IFlatFormatter.cs" /> 
    <Compile Include="IFormatters.cs" /> 
    <Compile Include="Properties\AssemblyInfo.cs" /> 
    <Compile Include="XlsFormatter.cs" /> 
    </ItemGroup> 
    <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> 
</Project> 

任何投入，将不胜感激。这让我感到非常紧张，使我无法将我们的构建过程从本地TeamCity迁移到云计算上，这是我们目前的需求。我真的不想创建一个TeamCity虚拟机。 :)每个评论的请求

生成日志：

2017-08-16T03:14:26.4967581Z ##[section]Starting: NuGet pack Formatters nuspec 
2017-08-16T03:14:26.4967581Z ============================================================================== 
2017-08-16T03:14:26.4967581Z Task   : NuGet 
2017-08-16T03:14:26.4967581Z Description : Restore, pack, or push NuGet packages, or run a NuGet command. Supports NuGet.org and authenticated feeds like Package Management and MyGet. 
2017-08-16T03:14:26.4967581Z Version  : 2.0.6 
2017-08-16T03:14:26.4967581Z Author  : Microsoft Corporation 
2017-08-16T03:14:26.4967581Z Help   : [More Information](https://go.microsoft.com/fwlink/?LinkID=613747) 
2017-08-16T03:14:26.4977585Z ============================================================================== 
2017-08-16T03:14:26.9697601Z [command]C:\Windows\system32\chcp.com 65001 
2017-08-16T03:14:26.9787594Z Active code page: 65001 
2017-08-16T03:14:26.9917604Z Attempting to pack file: d:\a\1\s\TeamCity\Build\VDS.AppCore.Formatters\Package.nuspec 
2017-08-16T03:14:26.9967613Z [command]d:\a\_tool\NuGet\4.0.0\x64\nuget.exe pack d:\a\1\s\TeamCity\Build\VDS.AppCore.Formatters\Package.nuspec -NonInteractive -OutputDirectory d:\a\1\a -Properties Configuration=Debug;SolutionDir=d:\a\1\s\;ArtifactDir=d:\a\1\a;version=2.0.1.71;Platform=AnyCPU -version 2.0.1.71 -Verbosity Detailed 
2017-08-16T03:14:27.4699931Z NuGet Version: 4.0.0.2283 
2017-08-16T03:14:27.4777604Z Attempting to build package from 'Package.nuspec'. 
2017-08-16T03:14:27.6887611Z 
2017-08-16T03:14:27.6907601Z Id: VDS.AppCore.Formatters 
2017-08-16T03:14:27.6907601Z Version: 2.0.1.71 
2017-08-16T03:14:27.6907601Z Authors: Visual Data Solutions, Inc. 
2017-08-16T03:14:27.6907601Z Description: VDS AppCore Formatters 
2017-08-16T03:14:27.6907601Z Dependencies: None 
2017-08-16T03:14:27.6907601Z 
2017-08-16T03:14:27.6937601Z Added file '[Content_Types].xml'. 
2017-08-16T03:14:27.6937601Z Added file '_rels/.rels'. 
2017-08-16T03:14:27.6937601Z Added file 'lib/net45/VDS.AppCore.Formatters.dll'. 
2017-08-16T03:14:27.6937601Z Added file 'lib/net45/VDS.AppCore.Formatters.pdb'. 
2017-08-16T03:14:27.6937601Z Added file 'package/services/metadata/core-properties/d049e0823aea40cdba6267568d619a5d.psmdcp'. 
2017-08-16T03:14:27.6937601Z Added file 'src/CsvFormatter.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/DataFormatters.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/DefaultFormatters.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/Formatters.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/IDataFormatter.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/IDataFormatters.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/IFlatFormatter.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/IFormatters.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/Properties/AssemblyInfo.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'src/XlsFormatter.cs'. 
2017-08-16T03:14:27.6937601Z Added file 'VDS.AppCore.Formatters.nuspec'. 
2017-08-16T03:14:27.6937601Z 
2017-08-16T03:14:27.6937601Z Successfully created package 'd:\a\1\a\VDS.AppCore.Formatters.2.0.1.71.nupkg'. 
2017-08-16T03:14:27.7427599Z ##[section]Finishing: NuGet pack Formatters nuspec 

Answer 1

这引起了的NuGet包任务环境变量选项。

这里使用的变量没有$。所以你应该直接使用PackageVersion。