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  • .NET Core下操作Git,自动提交代码到 GitHub

    .NET Core 3.0 预览版发布已经好些时日了,博客园也已将其用于生产环境中,可见 .NET Core 日趋成熟

    回归正题,你想盖大楼吗?想 GitHub 首页一片绿吗?今天拿她玩玩自动提交代码至 GitHub。

    安装项目模板

    dotnet new --install "Microsoft.DotNet.Web.ProjectTemplates.3.0"
    dotnet new worker
    

    创建项目

    直接使用 .NET CLI 创建一个 Work Service 的项目

    dotnet new worker -o AutomaticPush
    

    用 Visual Studio 2019 打开项目可以看到以下代码

    // Program.cs
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }
    
        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureServices((hostContext, services) =>
                {
                    services.AddHostedService<Worker>();
                });
    }
    
    • 从 3.0 起 WebHost 被 Host 取代了
    • CreateHostBuilder创建 Host 并在ConfigureServices中调用.AddHostedService<Worker>()
    // Worker.cs
    public class Worker : BackgroundService
    {
        private readonly ILogger<Worker> _logger;
        public Worker(ILogger<Worker> logger)
        {
            _logger = logger;
        }
    
        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            while (!stoppingToken.IsCancellationRequested)
            {
                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
                await Task.Delay(1000, stoppingToken);
            }
        }
    }
    

    Worker 继承了 BackgroundService,在 override ExecuteAsync 方法中完成自动提交的代码

    .NET 下操作 Git 需要用到一个库 LibGit2Sharp,同时支持 .NET Framework 及 .NET Core

    在项目中安装使用

    Install-Package LibGit2Sharp
    

    LibGit2Sharp 简单使用

    • Repository.Init(@"D:Work") 在指定路径创建一个新的 Git 仓库,相当于 git init

    • Repository.Clone("https://github.com/Meowv/Blog.git", @"D:Work") 拉取一个远程仓库到本地,相当于 git clone

    • using (var repo = new Repository(@"D:Blog")){} 打开本地存在的 Git 仓库

    • 获取 Branch

      using (var repo = new Repository(@"D:Blog"))
      {
          var branches = repo.Branches;
      
          foreach (var item in branches)
          {
          }
      }
      
    • 获取 Commits

      using (var repo = new Repository(@"D:Blog"))
      {
          foreach (var commit in repo.Commits)
          {
          }
      }
      
    • 获取 Tags

      using (var repo = new Repository(@"D:Blog"))
      {
          foreach (var commit in repo.Tags)
          {
          }
      }
      
    • 更多操作请移步 https://github.com/libgit2/libgit2sharp

    自动 Push 代码盖大楼

    有了以上基础,就可以实现自动生成文件,push 代码到 GitHub 了。

    新建一个配置文件,存放我们 GitHub 仓库以及账号密码等重要信息

    {
      "repository": "本地git仓库绝对路径",
      "username": "GitHub账号",
      "password": "GitHub密码",
      "name": "提交人",
      "email": "邮箱"
    }
    

    在ExecuteAsync中读取配置文件信息

    var configurationRoot = new ConfigurationBuilder().AddJsonFile("config.json").Build();
    
    var path = configurationRoot["repository"];
    var username = configurationRoot["username"];
    var password = configurationRoot["password"];
    var name = configurationRoot["name"];
    var email = configurationRoot["email"];
    

    git会自动检测文件变化,所以就先自动按日期创建.log文件,不断生成内容然后提交

    while (!stoppingToken.IsCancellationRequested)
    {
        var fileName = $"{DateTime.Now.ToString("dd")}.log";
        var content = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
    
        // 写入内容
        WriteText(path, fileName, content);
    
        using (var repo = new Repository(path))
        {
            // Stage the file
            Commands.Stage(repo, "*");
            // Create the committer's signature and commit
            var author = new Signature(name, email, DateTime.Now);
            var committer = author;
            // Commit to the repository
            var commit = repo.Commit(content, author, committer);
            // git push
            var options = new PushOptions
            {
                CredentialsProvider = new CredentialsHandler((url, usernameFromUrl, types) =>
                {
                    return new UsernamePasswordCredentials()
                    {
                        Username = username,
                        Password = password
                    };
                })
            };
            repo.Network.Push(repo.Branches["master"], options);
        }
    
        Console.WriteLine(content);
    
        // 等待60秒继续执行...
        await Task.Delay(60000, stoppingToken);
    }
    
    private static void WriteText(string path, string fileName, string content)
    {
        path = Path.Combine(path, DateTime.Now.ToString(@"yyyy\MM"));
        if (!Directory.Exists(path))
        {
            Directory.CreateDirectory(path);
        }
        var filePath = Path.Combine(path, fileName);
        using var fs = new FileStream(filePath, FileMode.Append);
        using var sw = new StreamWriter(fs);
        sw.WriteLine(content);
    }
    

    至此,整个代码编写部分结束,项目发布后可以选择sc.exe注册为Windows服务,在这里推荐使用nssm(一个服务封装程序),好了,赶紧盖大楼去吧~~

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  • 原文地址:https://www.cnblogs.com/meowv/p/11389175.html
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