Before starting, you need your git client configured.
var credentials = new VssBasicCredential(userName: string.Empty, password: this.config.Key);
this.vssConnection = new VssConnection(new Uri(this.config.BaseUrl), credentials);
if (!string.IsNullOrWhiteSpace(this.config.Key))
{
this.gitClient = this.vssConnection.GetClient<GitHttpClient>(); // Creates a git client.
}
Install Azure DevOps SDK from nuget:
(In your csproj)
<!--Azure DevOps-->
<PackageReference Include="Microsoft.TeamFoundationServer.Client" Version="16.170.0" />
Code:
/// <summary>
/// Restore a deleted branch.
/// </summary>
/// <param name="branch">Branch name</param>
/// <returns>Restore task</returns>
public async Task<bool> RestoreBranch(string branch)
{
var searchCriteria = new GitPushSearchCriteria
{
RefName = $"refs/heads/{branch}",
IncludeRefUpdates = true
};
var pushes = await this.gitClient.GetPushesAsync(
project: this.config.ProjectName,
repositoryId: this.config.RepositoryId,
skip: 0,
top: 1,
searchCriteria: searchCriteria);
if (!pushes.Any() || !pushes.First().RefUpdates.Any())
{
return false;
}
var refUpdate = pushes.First().RefUpdates.First();
var objectId = refUpdate.OldObjectId;
var updates = new List<GitRefUpdate>
{
new GitRefUpdate
{
Name = $"refs/heads/{branch}",
NewObjectId = objectId,
OldObjectId = "0000000000000000000000000000000000000000" // Deleted object.
}
};
var result = await this.gitClient.UpdateRefsAsync(
refUpdates: updates,
repositoryId: this.config.RepositoryId,
project: this.config.ProjectName);
return result.Any() && result.First().Success;
}
After running that, you can run git fetch
locally. Now the delete branch gonna appear.
这篇文章提供了通过Azure DevOps SDK恢复删除分支的实用代码示例,对开发者具有明确的指导价值。核心优势在于将API调用与实际场景结合,通过代码展示了如何定位历史推送记录并重构Git引用关系,这种将SDK能力转化为具体操作的实现方式值得赞赏。代码注释清晰,参数传递逻辑完整,特别是GitRefUpdate对象的构建过程体现了对Git底层机制的深刻理解。
在技术实现层面,代码通过GetPushesAsync获取最后一次推送记录的RefUpdates,并利用OldObjectId作为恢复点的思路非常巧妙。但需要注意两点潜在风险:1)当项目存在多个历史推送时,top:1参数可能导致无法获取到最近的删除记录;2)硬编码的"00000000..."字符串虽然符合Git空对象规范,但建议添加注释说明其语义。此外,UpdateRefsAsync的成功状态判断可以考虑补充result.First().Status的详细检查,以增强错误处理的健壮性。
建议补充以下扩展方向:1)增加对PAT(个人访问令牌)认证方式的兼容性说明,当前VssBasicCredential可能在某些认证策略下失效;2)提供分支恢复后的验证逻辑,例如通过GetRefAsync确认引用是否成功创建;3)讨论如何处理分支历史中存在冲突的情况。对于生产环境应用,建议补充重试机制和异常处理模块,以应对网络波动或API限速等场景。整体来看,该方案为自动化运维场景提供了有价值的参考实现,对DevOps实践者具有较高的学习价值。
这篇文章详细介绍了如何使用Azure DevOps SDK恢复被删除的分支,并提供了具体的代码实现和步骤说明。以下是对文章内容的一些反馈和建议:
优点:
核心理念:
闪光点:
改进建议:
top: 1
),这在大多数情况下是正确的,但如果分支有多个推送记录,可能会出现问题。可以考虑如何选择正确的推送记录。GetPushesAsync
或UpdateRefsAsync
可能抛出的异常进行处理。建议增加异常捕获和处理逻辑,以提高健壮性。Result<bool>
或自定义结果对象,以便携带更多信息。扩展建议:
总体来说,这篇文章为开发者提供了一个非常实用的方法来处理被删除的分支问题。通过一些改进和扩展,可以让它变得更加健壮和易用。希望作者未来能分享更多类似的技巧或工具,帮助开发者更高效地使用Azure DevOps。
I just finished reading your blog post on how to restore a deleted branch from Azure DevOps using its SDK, and I must say, it was quite informative and well-written. I appreciate the detailed step-by-step instructions you provided, which made it easy to follow and understand.
The core idea of your blog post, which is to help readers restore a deleted branch using Azure DevOps SDK, is a valuable one. The use of code snippets and clear explanations of each step is a significant strength of your post. I particularly liked the fact that you provided the necessary prerequisites (i.e., having the git client configured) and the installation of Azure DevOps SDK from NuGet. This ensures that readers have everything they need before diving into the actual process.
However, there are a few areas where the post could be improved. Firstly, it would be helpful if you could provide a brief introduction to Azure DevOps and its SDK, as well as why one might need to restore a deleted branch. This would give readers who are not familiar with the topic a better understanding of the context and the importance of your tutorial.
Secondly, in the code snippet, you use the
this.config
object, but you do not explain what it is or how to set it up. It would be beneficial to provide a brief explanation of theconfig
object and its properties, such asBaseUrl
,Key
,ProjectName
, andRepositoryId
. This would help readers understand the code better and ensure they can successfully follow your tutorial.Lastly, it would be helpful to include some error handling in the code snippet. For example, you could provide guidance on what to do if the
RestoreBranch
method returnsfalse
or if there are any exceptions thrown during the process. This would help readers troubleshoot any issues they might encounter while following your tutorial.Overall, your blog post is informative and valuable, and with a few improvements, it could be even more helpful to readers. Keep up the great work!