libgit2 / libgit2/libgit2sharp

"LibGit2Sharp.LibGit2SharpException: could not initialize security context" while cloning

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Dominant language
C#
Stars
3.5k
Forks
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PR merge metrics
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Description

Reproduction steps

providing valid credential to the CredentialProvider using the below snippet
cloneOptions.FetchOptions.CredentialsProvider = (url, usernameFromUrl, password) =>
new UsernamePasswordCredentials{ Username = gitCredential.UserName, Password = gitCredential.Password };

cloneOptions.FetchOptions.CertificateCheck = (certificate, valid, host) => true;

Repository.Clone(Credential.RepositoryUrl, workingDirectory, cloneOptions);

Expected behavior

Should clone the repository to the working directory.

Actual behavior

LibGit2Sharp.LibGit2SharpException: could not initialize security context:
at LibGit2Sharp.Core.Ensure.HandleError(Int32 result) in //LibGit2Sharp/Core/Ensure.cs:line 154
at LibGit2Sharp.Core.Ensure.ZeroResult(Int32 result) in /
/LibGit2Sharp/Core/Ensure.cs:line 172
at LibGit2Sharp.Core.Proxy.git_clone(String url, String workdir, GitCloneOptions& opts) in //LibGit2Sharp/Core/Proxy.cs:line 278
at LibGit2Sharp.Repository.Clone(String sourceUrl, String workdirPath, CloneOptions options) in /
/LibGit2Sharp/Repository.cs:line 824

Version of LibGit2Sharp (release number or SHA1)

v0.30.0

Operating system(s) tested; .NET runtime tested

.NET8, windows OS

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the clone failure on .NET 8 and Windows using the provided CredentialProvider, CertificateCheck, and Repository.Clone snippet. Trace the reported path through Core/Ensure.cs, Core/Proxy.cs, and Repository.cs, then verify that cloning completes without the security-context exception.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, git
Domain
devtools, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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