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[Cake] 3. dotnet 本地工具 cake & dotnet format

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在上一篇[Cake] 2. dotnet 全局工具 cake中介绍了通过.Net Core 2.1 的全局工具dotnet tool命令来简化cake的安装和使用。因为是全局安装，则无法适应每个项目对特定版本的要求。随着.Net Core 3.0中增加的对本地工具（项目级别）的支持，使得这一问题得以解决。

1. cake的安装和还原

# 创建一个本地的工具清单文件
dotnet new tool-manifest

# 安装本地工具 
dotnet tool install cake.tool --version 0.35.0

dotnet new tool-manifest命令会在当前目录下创建一个.confighttps://img.qb5200.com/download-x/dotnet-tools.json的文件。当我们执行dotnet tool install cake.tool时，就会把cake.tool的相关信息写入到这个文件。

{
  "version": 1,
  "isRoot": true,
  "tools": {
    "cake.tool": {
      "version": "0.35.0",
      "commands": [
        "dotnet-cake"
      ]
    },
    "dotnet-format": {
      "version": "3.1.37601",
      "commands": [
        "dotnet-format"
      ]
    }
  }
}

之后就可以执行dotnet cake(或者dotnet tool run dotnet-cake)命令了。

$ dotnet cake --help

Usage: Cake.exe [script] [--target=value] [--verbosity=value]
                [--showdescription] [--dryrun] [..]

Example: Cake.exe
Example: Cake.exe build.cake --verbosity=quiet
Example: Cake.exe build.cake --showdescription

Options:
    --target <TARGET>    Target task to invoke. Script must support this explicitly.
    --verbosity=value    Specifies the amount of information to be displayed.
                         (Quiet, Minimal, Normal, Verbose, Diagnostic)
    --debug              Performs a debug.
    --showdescription    Shows description about tasks.
    --showtree           Shows the task dependency tree.
    --dryrun             Performs a dry run.
    --exclusive          Execute a single task without any dependencies.
    --bootstrap          Download/install modules defined by #module directives
    --version            Displays version information.
    --info               Displays additional information about Cake execution.
    --help               Displays usage information.

当我们在CI/CD或者另外一个环境上时，只需要执行

dotnet tool restore

就可以把.confighttps://img.qb5200.com/download-x/dotnet-tools.json文件中配置的相关工具安装在本地了。

2. dotnet format 格式化

介绍一下另外一个非常有用的工具dotnet-format。看下官方介绍：

dotnet-format is a code formatter for dotnet that applies style preferences to a project or solution. Preferences will be read from an .editorconfig file, if present, otherwise a default set of preferences will be used. At this time dotnet-format is able to format C# and Visual Basic projects with a subset of supported .editorconfig options.

它会使用.editorconfig中的格式化配置，来统一项目的文件编码和格式。 安装方式同上面的cake一样。

# 安装
dotnet tool install dotnet-format

# 检查并保存
dotnet format

# 只检查不保存，检查失败则返回非0的exit code
dotnet format --check --dry-run

结合CI使用非常方便，当你push的代码不符合格式要求时就直接失败了（一个失败的示例：https://github.com/linianhui/cake.example/commit/471f58754c390cb9946a5282c6d73275b90549d9/checks?check_suite_id=361927437）。

示例，它会提示出那些地方不符合.editorconfig的要求：

$ dotnet format --check --dry-run
  1-src/Cake.Example/Animals/Cat.cs(17,2): Add final newline.
  1-src/Cake.Example/Animals/Dog.cs(17,2): Add final newline.
  1-src/Cake.Example/IAnimal.cs(14,2): Add final newline.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(18,2): Add final newline.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(18,2): Add final newline.
  1-src/Cake.Example/Animals/Cat.cs(1,31): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(2,2): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(3,18): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(4,12): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(5,19): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(6,38): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(7,6): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(8,22): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(9,15): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(10,23): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(11,32): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(12,29): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(13,10): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(14,25): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(15,10): Fix end of line marker.
  1-src/Cake.Example/Animals/Cat.cs(16,6): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(1,31): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(2,2): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(3,18): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(4,11): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(5,19): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(6,38): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(7,6): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(8,22): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(9,15): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(10,23): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(11,32): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(12,29): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(13,10): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(14,25): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(15,10): Fix end of line marker.
  1-src/Cake.Example/Animals/Dog.cs(16,6): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(1,23): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(2,2): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(3,18): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(4,13): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(5,19): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(6,29): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(7,6): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(8,22): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(9,16): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(10,23): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(11,32): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(12,23): Fix end of line marker.
  1-src/Cake.Example/IAnimal.cs(13,6): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(1,28): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(2,13): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(2,13): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(4,42): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(5,2): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(6,32): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(7,6): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(8,15): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(9,39): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(10,10): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(11,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(11,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(13,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(13,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(15,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(16,10): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/CatTest.cs(17,6): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(1,28): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(2,13): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(2,13): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(4,42): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(5,2): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(6,32): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(7,6): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(8,15): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(9,39): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(10,10): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(11,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(11,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(13,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(13,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(15,40): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(16,10): Fix end of line marker.
  2-test/Cake.Example.Tests/AnimalsTests/DotTest.cs(17,6): Fix end of line marker.
  Formatted code file 'Cat.cs'.
  Formatted code file 'Dog.cs'.
  Formatted code file 'IAnimal.cs'.
  Formatted code file 'CatTest.cs'.
  Formatted code file 'DotTest.cs'.
  Format complete in 3529ms.

dotnet-foramt支持的.editorconfig信息比较丰富，具体的参考 https://github.comhttps://img.qb5200.com/download-x/dotnet/format/wiki/Supported-.editorconfig-options 的说明，这里也贴一个我在使用的.editorconfig：
https://github.com/linianhui/code.guide/blob/master/csharp/.editorconfig

3. 参考

源码： https://github.com/linianhui/cake.example

我的.editorconfig : https://github.com/linianhui/code.guide/blob/master/csharp/.editorconfig

https://editorconfig.org/

https://github.comhttps://img.qb5200.com/download-x/dotnet/format/wiki/Supported-.editorconfig-options

https:/https://img.qb5200.com/download-x/docs.microsoft.com/en-ushttps://img.qb5200.com/download-x/dotnet/core/whats-newhttps://img.qb5200.com/download-x/dotnet-core-3-0#local-tools

https://github.comhttps://img.qb5200.com/download-x/dotnet/format

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