LibGit2SharpException: could not find appropriate mechanism for credentials about libgit2sharp HOT 5 OPEN

You mentioned #2065 but I think that only applies to proxies? I'm not sure if something else changed. Can you show the set up for your credentials and / or auth callback, and the callback that you're using (if you're using one)?

What kind of provider are you authenticating to? Do you know what mechanism you are expecting to use? (Basic, NTLM, etc)

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In the meantime I tried every version between 0.26.2 & 0.30.0 and it starts to break when I update to 0.29.0. I mention #2065 as that caused breaking changes compilation-wise. But it seemed a very small change to fix it (move CredentialsProvider & OnTransferProgress (2 properties of CloneOptions we used) to the FetchOptions from the CloneOptions).

We use the DefaultCredentials() for the handler:
libGitCredHandler = (_url, _user, _cred) => new DefaultCredentials();

And the OnTransferProgress is basically eventing if I understood correctly and is used to show the progress in the UI.

I did the same changes in v0.28.0 as well (moving those to FetchOptions) and everything still works.

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I have some small issues with upgradeing my tool here https://github.com/michaelmsonne/GitHubBackupTool to use the new v. as stuff break and is changed - like 'CloneOptions' does not contain a definition for 'RepositoryOperationCompleted' and so on. Have tryed to move to the FetchOptions but not all works..

So for now the tool use v. 0.28

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Tracking this issue also, I can't set credentials to clone a repo at the moment so I'm going to go to v 0.28
Found the resolution in the mentioned issue below, we can resolve using:

var cloneOptions = new CloneOptions();
cloneOptions.FetchOptions.CredentialsProvider = ...

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Any update/idea on why the credentials don't work anymore from 0.29 onwards? We're stuck on 0.28 but as that version has been made deprecated, our security team wants us to update this NuGet.

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