libgit2 / libgit2/libgit2sharp

Push fails with "No error message has been provided by the native library" when trying to push large files

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C#
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描述

I am not able to push large files to origin with pre-release 0.27.0-preview-0182. The same code worked with latest stable release
Ending up with exception and message: "No error message has been provided by the native library"
Tried to push a new json file which is 18MB large.
I did not check what file size is the breaking point, but if needed can try to investigate that too.

Adding reproduction steps with snippets of my code, hope this is enough, otherwise please ask for more.

Reproduction steps
  1. Clone repository and create branch
Repository.Clone(githubRepoUrl, $"./{folderName}", 
  new CloneOptions { CredentialsProvider = _gitHubClientWrapper.CredentialsProvider() });

using (var repo = new Repository($"./{folderName}"))
{
  repo.CreateBranch(newBranchName);
}
  1. Create large file. I just generated a large list of objects serialized into json. Got around 18mb of json file.
  2. Commit and push the branch to origin
using (var repo = new Repository($"./{folderName}"))
{
	Branch branch = repo.Branches[newBranchName];
	Commands.Checkout(repo, branch);
	Commands.Stage(repo, "*");
	Signature committer = new Signature("Github bot", "@bot", DateTime.Now);

	try
	{
		repo.Commit("Comit message", committer, committer);
		Remote remote = repo.Network.Remotes["origin"];
		repo.Branches.Update(branch, b => b.Remote = remote.Name, b => b.UpstreamBranch = branch.CanonicalName);
		repo.Network.Push(branch, new PushOptions
		{
			CredentialsProvider = _gitHubClientWrapper.CredentialsProvider(),
		});

	}
	catch (EmptyCommitException)
	{
		_logger.LogInformation("There's nothing to commit.");
		return;
	}
}
Expected behavior

Push is successful.

Actual behavior

Push fails with exception and message "No error message has been provided by the native library"

Version of LibGit2Sharp (release number or SHA1)

0.27.0-preview-0182

Operating system(s) tested; .NET runtime tested

Windows11, .NET 7

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  4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

研究方向

透過複製 repository、建立一個約 18 MB 的 JSON 檔案、提交該檔案,並在 0.27.0-preview-0182 上使用顯示的 PushOptions 呼叫 repo.Network.Push,重現此失敗;將相同步驟與最新穩定版本進行比較。追蹤 Repository 和 repo.Network.Push 的進入點,並判斷回歸是在 push 處理中,還是在原生錯誤回報中;當大型檔案的 push 成功,或回報有用且可採取行動的錯誤時,即表示完成。

由索引模型根據 Issue 內容生成。

評估

技術堆疊
csharp, git
領域
devtools
Issue 類型
缺陷
難度
4/5
預估耗時
3-5 天
活躍度
停滯
描述清晰度
基本清楚
新手友好度
35/100

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