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Add a
scaffold tool for easily debugging the scaffolder
The `dotnet-ef` and `ef` projects go through many hoops (`dotnet exec`) to run the scaffolder (`dotnet ef dbcontext scaffold`) This makes it almost impossible to set a breakpoint and debug the code. This tools has the minimum code required to run the scaffolder and is easily debuggable with Visual Studio or Rider. This tool was created so that I could investigate dotnet#25729
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| // Licensed to the .NET Foundation under one or more agreements. | ||
| // The .NET Foundation licenses this file to you under the MIT license. | ||
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| // The `dotnet-ef` and `ef` projects go through many hoops (`dotnet exec`) to run the scaffolder (`dotnet ef dbcontext scaffold`) | ||
| // This makes it almost impossible to set a breakpoint and debug the code. This tools has the minimum code required to run the | ||
| // scaffolder and is easily debuggable with Visual Studio or Rider. | ||
| // This tool was created so that I could investigate https://github.com/dotnet/efcore/issues/25729 | ||
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| using System; | ||
| using System.IO; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
| using Microsoft.EntityFrameworkCore.Design; | ||
| using Microsoft.EntityFrameworkCore.Design.Internal; | ||
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||
| try | ||
| { | ||
| if (args.Length is not (1 or 2)) | ||
| { | ||
| Console.Error.WriteLine($"Usage: {Path.GetFileName(Environment.ProcessPath)} <connectionString> [provider]"); | ||
| return 1; | ||
| } | ||
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| var connectionString = args[0]; | ||
| var provider = args.Length > 1 ? args[1] : "Microsoft.EntityFrameworkCore.SqlServer"; | ||
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| var operationReportHandler = new OperationReportHandler( | ||
| errorHandler: s => Console.WriteLine($@"🟥 {s}"), | ||
| warningHandler: s => Console.WriteLine($@"🟧 {s}"), | ||
| informationHandler: s => Console.WriteLine($@"🟦️ {s}"), | ||
| verboseHandler: s => Console.WriteLine($@"⬜️ {s}") | ||
| ); | ||
| Assembly assembly = typeof(int).Assembly; // System.Private.CoreLib should never have an IDesignTimeServices implementation | ||
| var operations = new DatabaseOperations(new OperationReporter(operationReportHandler), | ||
| assembly: assembly, | ||
| startupAssembly: assembly, | ||
| projectDir: ".", | ||
| rootNamespace: null, | ||
| language: null, | ||
| nullable: true, | ||
| args: null | ||
| ); | ||
| var savedModelFiles = operations.ScaffoldContext( | ||
| provider: provider, | ||
| connectionString: connectionString, | ||
| outputDir: "generated", | ||
| outputContextDir: null, | ||
| dbContextClassName: null, | ||
| schemas: Enumerable.Empty<string>(), | ||
| tables: Enumerable.Empty<string>(), | ||
| modelNamespace: null, | ||
| contextNamespace: null, | ||
| useDataAnnotations: false, | ||
| overwriteFiles: true, | ||
| useDatabaseNames: false, | ||
| suppressOnConfiguring: true, | ||
| noPluralize: false | ||
| ); | ||
| Console.WriteLine(@"ℹ️ The following files were saved:"); | ||
| Console.WriteLine(@"📄 " + savedModelFiles.ContextFile); | ||
| foreach (var additionalFile in savedModelFiles.AdditionalFiles) | ||
| { | ||
| Console.WriteLine(@"📄 " + additionalFile); | ||
| } | ||
| return 0; | ||
| } | ||
| catch (Exception exception) | ||
| { | ||
| Console.Error.WriteLine(@"💥 " + exception); | ||
| return 2; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| <Project Sdk="Microsoft.NET.Sdk"> | ||
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| <PropertyGroup> | ||
| <OutputType>Exe</OutputType> | ||
| <TargetFramework>net6.0</TargetFramework> | ||
| <Nullable>enable</Nullable> | ||
| <GenerateDocumentationFile>true</GenerateDocumentationFile> | ||
| </PropertyGroup> | ||
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| <ItemGroup> | ||
| <ProjectReference Include="..\EFCore.Design\EFCore.Design.csproj" /> | ||
| <ProjectReference Include="..\EFCore.SqlServer\EFCore.SqlServer.csproj" /> | ||
| </ItemGroup> | ||
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| </Project> |