Update codebase

.nuget/packages.config

@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="xunit.runner.console" version="2.1.0" />
+  <package id="MicroBuild.Core" version="0.3.0" />
 </packages>

NuGet.Settings.targets

@@ -4,7 +4,7 @@
         <MonoBuild>true</MonoBuild>
         <DefineConstants>$(DefineConstants);MONO;</DefineConstants>
 	<VisualStudioVersion>11.0</VisualStudioVersion>
-    </PropertyGroup>    
+    </PropertyGroup>
 
     <!-- Common Build Settings and Configurations -->
     <PropertyGroup>
@@ -18,18 +18,17 @@
         <AppDesignerFolder>Properties</AppDesignerFolder>
         <TargetFrameworkProfile />
         <FileAlignment>512</FileAlignment>
-        <TargetFrameworkProfile />
         <ErrorReport>prompt</ErrorReport>
         <WarningLevel>4</WarningLevel>
         <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
         <DefineConstants>$(DefineConstants);TRACE</DefineConstants>
         <AdditionalSettingsImport Condition=" $(AdditionalSettingsImport) == '' ">$(NuGetRoot)\Extended.Settings.targets</AdditionalSettingsImport>
     </PropertyGroup>
-    
+
     <PropertyGroup Condition=" $(VisualStudioVersion) == '10.0' ">
         <ShellAssembly>Microsoft.VisualStudio.Shell.10.0, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL</ShellAssembly>
         <ShellAssemblyHintPath>..\..\lib\VS10\Microsoft.VisualStudio.Shell.10.0.dll</ShellAssemblyHintPath>
-    
+
         <MSBuildAssembly>Microsoft.Build</MSBuildAssembly>
         <VCProjectEngineAssembly>Microsoft.VisualStudio.VCProjectEngine, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</VCProjectEngineAssembly>
         <VCProjectEngineAssemblyHintPath>..\..\lib\Microsoft.VisualStudio.VCProjectEngine.dll</VCProjectEngineAssemblyHintPath>
@@ -41,7 +40,7 @@
         <VCProjectEngineAssembly>Microsoft.VisualStudio.VCProjectEngine, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</VCProjectEngineAssembly>
     </PropertyGroup>
 
-    <PropertyGroup Condition=" $(VisualStudioVersion) == '12.0' ">        
+    <PropertyGroup Condition=" $(VisualStudioVersion) == '12.0' ">
         <ShellAssembly>Microsoft.VisualStudio.Shell.12.0, Version=12.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL</ShellAssembly>
         <ShellAssemblyHintPath>..\..\lib\VS12\Microsoft.VisualStudio.Shell.12.0.dll</ShellAssemblyHintPath>
 
@@ -108,7 +107,7 @@
     <PropertyGroup Condition=" '$(Configuration)' == 'Coverage' ">
         <OutputPath>bin\Coverage\</OutputPath>
         <Coverage>true</Coverage>
-        <DefineConstants>$(DefineConstants);CODE_COVERAGE</DefineConstants> 
+        <DefineConstants>$(DefineConstants);CODE_COVERAGE</DefineConstants>
     </PropertyGroup>
 
     <Import Project="$(AdditionalSettingsImport)" Condition="Exists('$(AdditionalSettingsImport)')" />

NuGet.config

@@ -9,7 +9,7 @@
   </packageRestore>
   <packageSources>
     <clear />
-    <add key="nuget.org" value="https://www.nuget.org/api/v2/" />
+    <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
   </packageSources>
   <disabledPackageSources>
     <add key="Microsoft and .NET" value="true" />

build.ps1

@@ -9,9 +9,11 @@ param (
     [string]$SemanticVersion = '1.0.0-zlocal',
     [string]$Branch,
     [string]$CommitSHA,
-    [string]$BuildBranch = '1c479a7381ebbc0fe1fded765de70d513b8bd68e'
+    [string]$BuildBranch = 'cb2b9e41b18cb77ee644a51951d8c8f24cde9adf'
 )
 
+$msBuildVersion = 15;
+
 # For TeamCity - If any issue occurs, this script fail the build. - By default, TeamCity returns an exit code of 0 for all powershell scripts, even if they fail
 trap {
     Write-Host "BUILD FAILED: $_" -ForegroundColor Red
@@ -24,7 +26,11 @@ trap {
 if (-not (Test-Path "$PSScriptRoot/build")) {
     New-Item -Path "$PSScriptRoot/build" -ItemType "directory"
 }
-wget -UseBasicParsing -Uri "https://raw.githubusercontent.com/NuGet/ServerCommon/$BuildBranch/build/init.ps1" -OutFile "$PSScriptRoot/build/init.ps1"
+
+# Enable TLS 1.2 since GitHub requires it.
+[Net.ServicePointManager]::SecurityProtocol = [Net.ServicePointManager]::SecurityProtocol -bor [Net.SecurityProtocolType]::Tls12
+
+Invoke-WebRequest -UseBasicParsing -Uri "https://raw.githubusercontent.com/NuGet/ServerCommon/$BuildBranch/build/init.ps1" -OutFile "$PSScriptRoot/build/init.ps1"
 . "$PSScriptRoot/build/init.ps1" -BuildBranch "$BuildBranch"
 
 Write-Host ("`r`n" * 3)
@@ -69,14 +75,24 @@ Invoke-BuildStep 'Set version metadata in AssemblyInfo.cs' {
 
 Invoke-BuildStep 'Building solution' { 
         $SolutionPath = Join-Path $PSScriptRoot "NuGet.Server.sln"
-        Build-Solution $Configuration $BuildNumber -MSBuildVersion "14" $SolutionPath -SkipRestore:$SkipRestore `
+        Build-Solution $Configuration $BuildNumber -MSBuildVersion "$msBuildVersion" $SolutionPath -SkipRestore:$SkipRestore `
     } `
     -ev +BuildErrors
 
 Invoke-BuildStep 'Creating artifacts' {
-        New-Package (Join-Path $PSScriptRoot "src\NuGet.Server.Core\NuGet.Server.Core.csproj") -Configuration $Configuration -Symbols -BuildNumber $BuildNumber -Version $SemanticVersion -Branch $Branch
-        New-Package (Join-Path $PSScriptRoot "src\NuGet.Server.V2\NuGet.Server.V2.csproj") -Configuration $Configuration -Symbols -BuildNumber $BuildNumber -Version $SemanticVersion -Branch $Branch
-        New-Package (Join-Path $PSScriptRoot "src\NuGet.Server\NuGet.Server.nuspec") -Configuration $Configuration -Symbols -BuildNumber $BuildNumber -Version $SemanticVersion -Branch $Branch
+        $projects = `
+            "src\NuGet.Server.Core\NuGet.Server.Core.csproj", `
+            "src\NuGet.Server.V2\NuGet.Server.V2.csproj", `
+            "src\NuGet.Server\NuGet.Server.nuspec"
+
+        Foreach ($project in $projects) {
+            New-Package (Join-Path $PSScriptRoot $project) -Configuration $Configuration -Symbols -BuildNumber $BuildNumber -MSBuildVersion "$msBuildVersion" -Version $SemanticVersion -Branch $Branch
+        }
+    } `
+    -ev +BuildErrors
+
+Invoke-BuildStep 'Signing the packages' {
+        Sign-Packages -Configuration $Configuration -BuildNumber $BuildNumber -MSBuildVersion $msBuildVersion `
     } `
     -ev +BuildErrors
 

samples/NuGet.Server.V2.Samples.OwinHost/DictionarySettingsProvider.cs

@@ -1,25 +1,33 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. 
+using System;
 using System.Collections.Generic;
 using NuGet.Server.Core.Infrastructure;
 
 namespace NuGet.Server.V2.Samples.OwinHost
 {
     public class DictionarySettingsProvider : ISettingsProvider
     {
-        readonly Dictionary<string, bool> _settings;
+        private readonly Dictionary<string, object> _settings;
 
-        public DictionarySettingsProvider(Dictionary<string, bool> settings)
+        public DictionarySettingsProvider(Dictionary<string, object> settings)
         {
             _settings = settings;
         }
 
-
         public bool GetBoolSetting(string key, bool defaultValue)
         {
-            System.Diagnostics.Debug.WriteLine("getSetting: " + key);
-            return _settings.ContainsKey(key) ? _settings[key] : defaultValue;
+            return _settings.ContainsKey(key) ? Convert.ToBoolean(_settings[key]) : defaultValue;
+        }
+
+        public int GetIntSetting(string key, int defaultValue)
+        {
+            return _settings.ContainsKey(key) ? Convert.ToInt32(_settings[key]) : defaultValue;
+        }
 
+        public string GetStringSetting(string key, string defaultValue)
+        {
+            return _settings.ContainsKey(key) ? Convert.ToString(_settings[key]) : defaultValue;
         }
     }
 }

samples/NuGet.Server.V2.Samples.OwinHost/NuGet.Server.V2.Samples.OwinHost.csproj

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.props" Condition="Exists('..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -9,9 +10,11 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>NuGet.Server.V2.Samples.OwinHost</RootNamespace>
     <AssemblyName>NuGet.Server.V2.Samples.OwinHost</AssemblyName>
-    <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <TargetFrameworkProfile />
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>
@@ -38,14 +41,14 @@
     <StartupObject>NuGet.Server.V2.Samples.OwinHost.Program</StartupObject>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="Microsoft.Data.Edm, Version=5.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+    <Reference Include="Microsoft.Data.Edm, Version=5.8.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\Microsoft.Data.Edm.5.7.0\lib\net40\Microsoft.Data.Edm.dll</HintPath>
+      <HintPath>..\..\packages\Microsoft.Data.Edm.5.8.4\lib\net40\Microsoft.Data.Edm.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="Microsoft.Data.OData, Version=5.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+    <Reference Include="Microsoft.Data.OData, Version=5.8.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\Microsoft.Data.OData.5.7.0\lib\net40\Microsoft.Data.OData.dll</HintPath>
+      <HintPath>..\..\packages\Microsoft.Data.OData.5.8.4\lib\net40\Microsoft.Data.OData.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Microsoft.Owin, Version=3.0.1.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -71,10 +74,6 @@
       <HintPath>..\..\packages\Newtonsoft.Json.9.0.1\lib\net45\Newtonsoft.Json.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="NuGet.Core, Version=2.14.0.832, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\NuGet.Core.2.14.0\lib\net40-Client\NuGet.Core.dll</HintPath>
-      <Private>True</Private>
-    </Reference>
     <Reference Include="Owin">
       <HintPath>..\..\packages\Owin.1.0\lib\net40\Owin.dll</HintPath>
       <Private>True</Private>
@@ -87,9 +86,9 @@
       <SpecificVersion>False</SpecificVersion>
       <HintPath>..\..\packages\Microsoft.AspNet.WebApi.Client.5.2.3\lib\net45\System.Net.Http.Formatting.dll</HintPath>
     </Reference>
-    <Reference Include="System.Spatial, Version=5.7.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
+    <Reference Include="System.Spatial, Version=5.8.4.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
-      <HintPath>..\..\packages\System.Spatial.5.7.0\lib\net40\System.Spatial.dll</HintPath>
+      <HintPath>..\..\packages\System.Spatial.5.8.4\lib\net40\System.Spatial.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Web.Http, Version=5.2.3.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL">
@@ -136,5 +135,20 @@
     </ProjectReference>
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <Import Project="..\..\build\sign.targets" Condition="Exists('..\..\build\sign.targets')" />
+  <PropertyGroup>
+    <SignPath>..\..\build</SignPath>
+    <SignPath Condition="'$(BUILD_SOURCESDIRECTORY)' != ''">$(BUILD_SOURCESDIRECTORY)\build</SignPath>
+    <SignPath Condition="'$(NuGetBuildPath)' != ''">$(NuGetBuildPath)</SignPath>
+    <SignType Condition="'$(SignType)' == ''">none</SignType>
+  </PropertyGroup>
+  <Import Project="$(SignPath)\sign.targets" Condition="Exists('$(SignPath)\sign.targets')" />
+  <Import Project="$(SignPath)\sign.microbuild.targets" Condition="Exists('$(SignPath)\sign.microbuild.targets')" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them.  For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.props')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.props'))" />
+    <Error Condition="!Exists('..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.targets'))" />
+  </Target>
+  <Import Project="..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.targets" Condition="Exists('..\..\packages\MicroBuild.Core.0.3.0\build\MicroBuild.Core.targets')" />
 </Project>

samples/NuGet.Server.V2.Samples.OwinHost/Program.cs

@@ -24,7 +24,7 @@ static void Main(string[] args)
 
             // Set up a common settingsProvider to be used by all repositories. 
             // If a setting is not present in dictionary default value will be used.
-            var settings = new Dictionary<string, bool>();
+            var settings = new Dictionary<string, object>();
             settings.Add("enableDelisting", false);                         //default=false
             settings.Add("enableFrameworkFiltering", false);                //default=false
             settings.Add("ignoreSymbolsPackages", true);                    //default=false

samples/NuGet.Server.V2.Samples.OwinHost/app.config

@@ -1,35 +1,35 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" /></startup>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/></startup>
   <runtime>
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>
-        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
+        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0" />
+        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.2.3.0" newVersion="5.2.3.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Data.Edm" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-5.7.0.0" newVersion="5.7.0.0" />
+        <assemblyIdentity name="Microsoft.Data.Edm" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.8.4.0" newVersion="5.8.4.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Data.OData" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-5.7.0.0" newVersion="5.7.0.0" />
+        <assemblyIdentity name="Microsoft.Data.OData" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.8.4.0" newVersion="5.8.4.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="System.Spatial" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-5.7.0.0" newVersion="5.7.0.0" />
+        <assemblyIdentity name="System.Spatial" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-5.8.4.0" newVersion="5.8.4.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0"/>
       </dependentAssembly>
       <dependentAssembly>
-        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0" />
+        <assemblyIdentity name="Microsoft.Owin" publicKeyToken="31bf3856ad364e35" culture="neutral"/>
+        <bindingRedirect oldVersion="0.0.0.0-3.0.1.0" newVersion="3.0.1.0"/>
       </dependentAssembly>
     </assemblyBinding>
   </runtime>

samples/NuGet.Server.V2.Samples.OwinHost/packages.config

@@ -1,18 +1,19 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
+  <package id="MicroBuild.Core" version="0.3.0" targetFramework="net46" developmentDependency="true" />
   <package id="Microsoft.AspNet.WebApi.Client" version="5.2.3" targetFramework="net461" />
   <package id="Microsoft.AspNet.WebApi.Core" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.OData" version="5.7.0" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.Owin" version="5.2.3" targetFramework="net45" />
   <package id="Microsoft.AspNet.WebApi.OwinSelfHost" version="5.2.3" targetFramework="net45" />
-  <package id="Microsoft.Data.Edm" version="5.7.0" targetFramework="net45" />
-  <package id="Microsoft.Data.OData" version="5.7.0" targetFramework="net45" />
+  <package id="Microsoft.Data.Edm" version="5.8.4" targetFramework="net46" />
+  <package id="Microsoft.Data.OData" version="5.8.4" targetFramework="net46" />
   <package id="Microsoft.Owin" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Host.HttpListener" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Owin.Hosting" version="3.0.1" targetFramework="net45" />
   <package id="Microsoft.Web.Xdt" version="2.1.1" targetFramework="net46" />
   <package id="Newtonsoft.Json" version="9.0.1" targetFramework="net46" />
   <package id="NuGet.Core" version="2.14.0" targetFramework="net46" />
   <package id="Owin" version="1.0" targetFramework="net45" />
-  <package id="System.Spatial" version="5.7.0" targetFramework="net45" />
+  <package id="System.Spatial" version="5.8.4" targetFramework="net46" />
 </packages>

src/NuGet.Server.Core/Core/DuplicatePackageException.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.Serialization;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NuGet.Server.Core
+{
+    /// <summary>
+    /// This exception is thrown when trying to add a package in a version that already exists on the server 
+    /// and <see cref="NuGet.Server.Core.Infrastructure.ServerPackageRepository.AllowOverrideExistingPackageOnPush"/> is set to false.
+    /// </summary>
+    public class DuplicatePackageException : Exception
+    {
+        public DuplicatePackageException()
+        {
+        }
+
+        public DuplicatePackageException(string message) : base(message)
+        {
+        }
+
+        public DuplicatePackageException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+
+        protected DuplicatePackageException(SerializationInfo info, StreamingContext context) : base(info, context)
+        {
+        }
+    }
+}