co-IT · DerStimmler · Feb 3, 2026 · Feb 3, 2026 · Feb 3, 2026
diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
@@ -3,9 +3,9 @@
   "isRoot": true,
   "tools": {
     "csharpier": {
-      "version": "0.30.6",
+      "version": "1.2.5",
       "commands": [
-        "dotnet-csharpier"
+        "csharpier"
       ],
       "rollForward": false
     }

diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
@@ -46,7 +46,7 @@ jobs:
         run: dotnet pack ./CSharpFunctionalExtensions.HttpResults/CSharpFunctionalExtensions.HttpResults.csproj -c Release -p:ContinuousIntegrationBuild=true -p:Version=0.0.0 --output dist/package
 
       - name: Lint
-        run: dotnet csharpier --check .
+        run: dotnet csharpier check .
 
       - name: Link Checker
         id: lychee

diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
@@ -43,7 +43,7 @@ jobs:
         run: dotnet build -c Release --no-restore -p:ContinuousIntegrationBuild=true
 
       - name: Lint
-        run: dotnet csharpier --check .
+        run: dotnet csharpier check .
 
       - name: Extract version from tag
         run: |

diff --git a/...nalExtensions.HttpResults.Examples/CSharpFunctionalExtensions.HttpResults.Examples.csproj b/...nalExtensions.HttpResults.Examples/CSharpFunctionalExtensions.HttpResults.Examples.csproj
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
-
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
     <Nullable>enable</Nullable>
@@ -14,14 +13,17 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj"/>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj" />
+    <ProjectReference
+      Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj"
+      OutputItemType="Analyzer"
+      ReferenceOutputAssembly="false"
+    />
   </ItemGroup>
 
   <ItemGroup>
     <None Update="Features\FileStream\Foo.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>
-
 </Project>
diff --git a/...nctionalExtensions.HttpResults.Examples/Features/MultipleErrorChain/MultipleErrorChain.cs b/...nctionalExtensions.HttpResults.Examples/Features/MultipleErrorChain/MultipleErrorChain.cs
@@ -8,7 +8,6 @@ namespace CSharpFunctionalExtensions.HttpResults.Examples.Features.MultipleError
 /// types of errors in a chain of <see cref="Result{T,E}" />.
 /// This is the best workaround I could find for now.
 /// </summary>
-
 // 1. Create base type for all errors and define concrete errors as child type
 
 public record BookError;

diff --git a/...tpResults.Generators.Tests/CSharpFunctionalExtensions.HttpResults.Generators.Tests.csproj b/...tpResults.Generators.Tests/CSharpFunctionalExtensions.HttpResults.Generators.Tests.csproj
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFramework>net10.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -13,8 +12,8 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="FluentAssertions" Version="7.2.0" />
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" Version="1.1.2"/>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" Version="1.1.2"/>
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Analyzer.Testing.XUnit" Version="1.1.2" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp.CodeFix.Testing.XUnit" Version="1.1.2" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.14.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
@@ -25,13 +24,16 @@
   </ItemGroup>
 
   <ItemGroup>
-    <Using Include="Xunit"/>
+    <Using Include="Xunit" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj"/>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj"/>
+    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj" />
+    <ProjectReference
+      Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj"
+      OutputItemType="Analyzer"
+      ReferenceOutputAssembly="false"
+    />
+    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj" />
   </ItemGroup>
-
 </Project>
diff --git a/...xtensions.HttpResults.Generators/CSharpFunctionalExtensions.HttpResults.Generators.csproj b/...xtensions.HttpResults.Generators/CSharpFunctionalExtensions.HttpResults.Generators.csproj
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
     <Nullable>enable</Nullable>
@@ -26,11 +25,11 @@
 
   <ItemGroup>
     <!-- Package the generator in the analyzer directory of the nuget package -->
-    <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false"/>
+    <None Include="$(OutputPath)\$(AssemblyName).dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false" />
   </ItemGroup>
 
   <ItemGroup>
-    <AdditionalFiles Include="AnalyzerReleases.Shipped.md"/>
-    <AdditionalFiles Include="AnalyzerReleases.Unshipped.md"/>
+    <AdditionalFiles Include="AnalyzerReleases.Shipped.md" />
+    <AdditionalFiles Include="AnalyzerReleases.Unshipped.md" />
   </ItemGroup>
 </Project>
diff --git a/...unctionalExtensions.HttpResults.Tests/CSharpFunctionalExtensions.HttpResults.Tests.csproj b/...unctionalExtensions.HttpResults.Tests/CSharpFunctionalExtensions.HttpResults.Tests.csproj
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFrameworks>net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -24,8 +23,11 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj"/>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj" OutputItemType="Analyzer" ReferenceOutputAssembly="false"/>
+    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults\CSharpFunctionalExtensions.HttpResults.csproj" />
+    <ProjectReference
+      Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj"
+      OutputItemType="Analyzer"
+      ReferenceOutputAssembly="false"
+    />
   </ItemGroup>
-
 </Project>
diff --git a/CSharpFunctionalExtensions.HttpResults/CSharpFunctionalExtensions.HttpResults.csproj b/CSharpFunctionalExtensions.HttpResults/CSharpFunctionalExtensions.HttpResults.csproj
@@ -1,5 +1,4 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
   <PropertyGroup>
     <TargetFrameworks>net7.0;net8.0;net9.0;net10.0</TargetFrameworks>
     <Nullable>enable</Nullable>
@@ -26,20 +25,28 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <FrameworkReference Include="Microsoft.AspNetCore.App"/>
+    <FrameworkReference Include="Microsoft.AspNetCore.App" />
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="CSharpFunctionalExtensions" Version="[2.29.0,4.0.0)"/>
+    <PackageReference Include="CSharpFunctionalExtensions" Version="[2.29.0,4.0.0)" />
   </ItemGroup>
 
   <ItemGroup>
-    <None Include="..\README.md" Pack="true" PackagePath="\"/>
-    <None Include="..\LICENSE.md" Pack="true" PackagePath="\"/>
-    <None Include="$(OutputPath)\net9.0\CSharpFunctionalExtensions.HttpResults.Generators.dll" Pack="true" PackagePath="analyzers/dotnet/cs" Visible="false"/>
+    <None Include="..\README.md" Pack="true" PackagePath="\" />
+    <None Include="..\LICENSE.md" Pack="true" PackagePath="\" />
+    <None
+      Include="$(OutputPath)\net9.0\CSharpFunctionalExtensions.HttpResults.Generators.dll"
+      Pack="true"
+      PackagePath="analyzers/dotnet/cs"
+      Visible="false"
+    />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj" PrivateAssets="All"/>
+    <ProjectReference
+      Include="..\CSharpFunctionalExtensions.HttpResults.Generators\CSharpFunctionalExtensions.HttpResults.Generators.csproj"
+      PrivateAssets="All"
+    />
   </ItemGroup>
 </Project>
diff --git a/README.md b/README.md
@@ -252,7 +252,7 @@ Contributions are welcome! Please keep the following rules in mind:
 - add sync and async variants where possible
 - refer to existing code files and the folder structure when adding something
 
-This project uses [CSharpier](https://csharpier.com) for code formatting. You can format your code with `dotnet csharpier .`.
+This project uses [CSharpier](https://csharpier.com) for code formatting. You can format your code with `dotnet csharpier format .`.
 
 ### Add new extension methods