cleaning up old NuGet packages before building properly

Author: salaros

appveyor.yml

@@ -78,8 +78,13 @@ assembly_info:
   assembly_file_version: $(VERSION_SIMPLE)
   assembly_informational_version: $(VERSION_INFORMATIONAL)
 
-build_script:
+# Run scripts below before
+before_build:
   - cmd: where dotnet
+  - cmd: dotnet clean
+
+# Run scripts below before
+build_script:
   - cmd: dotnet build
 
 # NuGet files qualified as artifacts

src/WakaTime.csproj

@@ -52,5 +52,13 @@
         <Compile Remove="IProgress.cs" />
         <None Include="IProgress.cs" />
     </ItemGroup>
-
+  
+    <Target Name="CleanNuGetFiles" AfterTargets="Clean">
+        <ItemGroup>
+            <NuGetFilesBin Include="$(OutputPath)\..\*.nupkg" />
+        </ItemGroup>
+        <Message Text="Deleting NuGet files from $(OutputPath)\..\*.nupkg" Importance="high" />
+        <Delete Files="@(NuGetFilesBin)" />
+        <Delete Files="@(NuGetFilesProject)" />
+    </Target>
 </Project>