Nuget Packages Not Restoring - nuget

I recently migrated my projects from using PackageReferences to a package.config file. For awhile I've been able to call nuget.exe restore ...\Solution.sln and everything has looked fine. Now when I build I appear to be missing references to my packages used in my package.config files.
I removed all of the 'PackageReferences' from the .csproj file and added a 'packages.config' to each project that look like the following:
Ex 1:
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Newtonsoft.Json" version="13.0.1" targetFramework="net31"/>
</packages>
Ex 2:
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="AspNetCore.HealthChecks.SqlServer" version="3.2.0" targetFramework="net31"/>
<package id="Newtonsoft.Json" version="13.0.0" targetFramework="net31"/>
<package id="System.ServiceModel.Security" version="4.9.0" targetFramework="net31"/>
</packages>
I have Automatically check for missing packages during build in Visual Studio checked in the NuGet Package Manager options of Visual Studio. I am using Visual Studio 2019 16.11.15 and NuGet 6.2.0.
Going to package manager and putting in update-package -reinstall outputs No package updates are available from the current package source for project 'ProjectName'.
If I right-click a packages.config file and select Migrate packages.config to PackageReference... I get an Operation Failed error. Is something wrong with my packages.config files? Is there anything else I can check?
Edit: I have attempted to delete all of my .vs, obj, and bin files. Also my csproj files begin with either <Project Sdk="Microsoft.NET.Sdk"> or <Project Sdk="Microsoft.NET.Sdk.Web">

We can only see migrate from packages.config to PackageReference in offical documatation because PackageReference is something newer. Reverse migration is not a good option.
You said you want to use packages.config with nuget restore so all dependencies can always be downloaded/updated after a fresh pull. You can refer to this page, it gives us many methods to restore packages.
For example, you can use “msbuild -t:restore” in PackageReference to restore packages. See this.

Related

Changing name for Nuget Package

I have a Nuget package. Example: 'Sample'.
I have generated a .nupkg file using nuspec file.
and then pushed 'Sample' nuget package to feed using Nuget push azure build task.
my nuspec file:
<?xml version="1.0" encoding="utf-8"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
<id>Sample</id>
<version>1.0.0.0</version>
<title>Sample</title>
<authors>Name</authors>
<copyright>Copyright © 2009-2019. All rights reserved.</copyright>
<tags>Sample</tags>
<description>This package is for testing.</description>
<owners>Name</owners>
</metadata>
<files>
<file src="./Sample.dll" target="lib\net46\Sample.dll"/>
</files>
</package>
Now I want to change the name of my nuget package, For example: 'SamplePackageForTesting'.
Nuget pakage name is not updated eventhough I change the title, and then pushed.
But when I change the id and push, then it is updating as new package.
Can you provide any solution how to change the name of my nuget package 'Sample' to 'SamplePackageForTesting'.
A rename is not possible: from NuGet's perspective, Sample and SamplePackageForTesting are two different packages as they have different IDs.
If you're using nuget.org, a workaround would be to deprecate your package (see here).
And if the NuGet feed is under your control you could also delete the Sample package. But for this, you have to make sure that nobody ever consumed it because otherwise deterministic builds won't be possible when going back in Git history.

An item with the same key has already been added nuget error

I am currently creating a nuget package with a nuspec file but getting the following error:
An item with the same key has already been added.
My command I am using is:
nuget pack "MyProject.csproj" -o "..\Packages"
This is my nuspec file:
<?xml version="1.0"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
<id>$id$</id>
<version>$version$</version>
<title>$title$</title>
<authors>$author$</authors>
<owners>$author$</owners>
<requireLicenseAcceptance>false</requireLicenseAcceptance>
<description>$description$</description>
<language>$language$</language>
</metadata>
<files>
<file src="bin\MyLibrary*.dll" target="lib\net45" />
</files>
</package>
The nuspec file I am using is also used when packaging other packages withing the same library. Could this be the reason why the above error is occurring? Any ideas?
It might be that you are adding files in nuspec that are also getting added when you call pack on the .csproj (files/dlls referenced by the csproj). If so you can remove the file references from the nuspec file and give it a try.
how does your nuspec file look like?
I created it with the following steps
1. create the Mylibrary project
2. let me add a dependency, I installed ninject package to the project
3. build
4. nuget spec mylibrary.csproj
5. nuspec file generated, I didn't add any file or dependency manually to the file
6. nuget pack mylibrary.csproj
7. nuget pack would automatically add ninject as a dependency and also add mylibrary.dll into the correct folder
8. http://npe.codeplex.com/ is a nice tool to open the nupkg file and see what got generated inside the package.
I had this error trying to use the package visualizer and it ended up that my packages.config had the same package name in it more than once with different versions.

Installing private feed Nuget packages from packages.config

I have a private nuget feed on one of our internal servers.
I can install packages in this feed from command line like this
nuget install "PackageName" -source "\\DevServer\NugetFeed"
However if I try to install the packages from our packages.config file like this
nuget install "MyProject\Packages.config" -source "\\DevServer\NugetFeed"
It errors with can't find package for each of the packages in my packages.config file. It looks like it's ignoring the -Source switch and looking in a different nuget feed.
My packages.config looks like this
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="Package1" version="1.0.0" />
<package id="Package2" version="1.0.0" />
</packages>
Any ideas how I can make this work? Can you include the source location in packages.config or something similar?
This is likely to be related to the naming of files on the feed. Your first command line doesn't specify a version number, so it will pick up anything named "PackageName".
Make sure the files in your feed are called "Package1.1.0.0" and "Package2.1.0.0", and that should do the trick.

Packing NuGet projects compiled in release mode?

Is there some way to make a NuGet package using code compiled in release mode? Or is there some reason I should only publish (make available locally, in this case) packages compiled in debug mode?
Every time I call nuget pack from my project directory, where I have the nuspec file below, on code I have only compiled in release mode, it complains about not finding the DLL in the debug folder ("\bin\Debug\SomeProject.dll"). If I compile it in debug mode, those files are there and it packs them up as it should.
<?xml version="1.0"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
<id>$id$</id>
<version>$version$</version>
<authors>$author$</authors>
<owners>$author$</owners>
<iconUrl>http://somewhere/project.png</iconUrl>
<requireLicenseAcceptance>false</requireLicenseAcceptance>
<description>$description$</description>
</metadata>
</package>
You can solve it like this:
NuGet.exe pack Foo.csproj -Prop Configuration=Release
(reference)
If you are using a post-build event and you want to create a package whether using Debug or Release configuration you can setup the post-build event commandline like so:
"<path to nuget tools>\NuGet.exe" pack "$(ProjectPath)" -Prop Configuration=$(ConfigurationName)
To have NuGet automatically use Release mode when you run nuget pack, do the following:
Open your .csproj file in a text editor.
Find the following line:
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
In this line, replace Debug with Release.
Save changes.
The answers here are good, but I was having a lot of problems with this for a .NET Standard project. I had a project that was only going to publish Release binaries, but it wasn't respecting my default build output path.
I added this to my CSProj which then enabled me to use the accepted answer here.
<PropertyGroup Condition="'$(Configuration)' == 'Release'">
<OutputPath>$(SolutionDir)bin\$(PlatformTarget)\Release</OutputPath>
</PropertyGroup>
Chiming in here.
My build profile would build the DLLs to bin\<arch>\Debug|Release.
I was able to point to my folders by running the nuget command as follows:
Notice how I used the -p option.
PS > nuget pack -p Configuration="x64\Release"
Attempting to build package from ...
...
Found packages.config. Using packages listed as dependencies
...
- Add a dependency group for .NETFramework4.7.2 to the nuspec
Successfully created package...

Nuget package not adding reference on custom package

I created a nuspec file:
<?xml version="1.0"?>
<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
<metadata>
<id>MyPackage.dll</id>
<version>3.5</version>
<authors>Me</authors>
<owners>Me</owners>
<requireLicenseAcceptance>false</requireLicenseAcceptance>
<description>The description</description>
<tags>tag1</tags>
</metadata>
</package>
In a directory with the file strucutre
MyPackage
Assemblies
MyPackage.dll
MyPackage.nuspec
I created my package using nuget.exe pack myPackage.nuspec and placed it in my local sources. I can find and install it from visual studio at which point
The dll is copied into the packages directory
But the reference is not added to the project
No repositories.config is created
No packages.config is created
What am I missing?
In case someone runs into this in the future. The solution was that the 'Assemblies' directory needed to be renamed 'lib'. The documentation was wrong (been updated, now it's correct).
Big thanks to dotnetjunky over on codeplex