Error: "The specified source 'github' is invalid. Provide a valid source." when publishing nuget package to github

[wirejp]

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Hello,

I had published a nuget package using a nuget.config file, to GitHub via the Package Manager Console in Visual Studio two months ago as a private nuget package. I had tried to register the nuget package in Nuget.org but I received a message that the Personal Access Token was either invalid or it had expired. However, when I checked it was still valid until March 21, 2023. However, I recently had an issue where my Visual Studio was corrupted and so I completely deleted Visual Studio software and reinstall the software.

I went through process of generating a new Personal Access Token and when I tried to publish a nuget package, using a nuget.config file, to GitHub via the Package Manager Console in Visual Studio, I received the following error message: -

Error: "The specified source 'github' is invalid. Provide a valid source.
My nuget.config file has the format: -

<?xml version="1.0" encoding="utf-8"?> <configuration> <packageSources> <clear /> <add key="github" value="https://nuget.pkg.github.com/NAMESPACE/index.json" /> </packageSources> <packageSourceCredentials> <github> <add key="Username" value="USERNAME" /> <add key="ClearTextPassword" value="TOKEN" /> </github> </packageSourceCredentials> </configuration>

I have used the following code to publish the nuget package to GitHub (unsuccesfully): -

PM> dotnet nuget push "bin/debug/PROJECT_NAME.1.0.0.nupkg" --source "github"

Please advise and thank you in advance for your help.

[wirejp]

Hello,

I was able to resolve my issue and I successfully published the nuget package to GitHub. I found a solution on stackoverflow website: -
Getting error when using GitHub Actions to push the nupkg to my GitHub packages.
In my case, I ran the following command Package Manager Console in Visual Studio: -
PM> dotnet nuget add source --username OWNER --password ${{secrets.GITHUB_TOKEN }} --store-password-in-clear-text --name github "https://nuget.pkg.github.com/OWNER/index.json" (replace OWNER with your username or company name).

Afterwards, I published the nuget package to GitHub using the following command in Package Manager Console in Visual Studio: -
PM> dotnet nuget push "C:\Users\User\Documents\PROJECTNAME\bin\debug\PROJECTNAME.1.0.0.nupkg" --api-key GITHUB_PAT --source "github" (note you have to use the full directory path and include the GitHub Personal Access Token).