fix dotnet hooks with prefixes

testing/resources/dotnet_hooks_csproj_prefix_repo/.gitignore

@@ -0,0 +1,3 @@
+bin/
+obj/
+nupkg/

testing/resources/dotnet_hooks_csproj_prefix_repo/.pre-commit-hooks.yaml

@@ -0,0 +1,5 @@
+-   id: dotnet-example-hook
+    name: dotnet example hook
+    entry: testeroni.tool
+    language: dotnet
+    files: ''

testing/resources/dotnet_hooks_csproj_prefix_repo/Program.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace dotnet_hooks_repo
+{
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            Console.WriteLine("Hello from dotnet!");
+        }
+    }
+}

testing/resources/dotnet_hooks_csproj_prefix_repo/dotnet_hooks_csproj_prefix_repo.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <PackAsTool>true</PackAsTool>
+    <ToolCommandName>testeroni.tool</ToolCommandName>
+    <PackageOutputPath>./nupkg</PackageOutputPath>
+  </PropertyGroup>
+</Project>