build: Update for GE 7.0.0

- Bump version to 7.1.0 (not same due to postponed GE release)
- Download GE extensibility from GitHub
- Update NuGet.Packaging and NuGet.PackageManagement to 7.6.0
  due to a known critical severity vulnerability
- Replace deprecated Provider.SaveActivePackageSource(null)

Co-authored-by: 198982749+Copilot@users.noreply.github.com
Refs: #91

Author: mstv

Directory.Packages.props

@@ -16,8 +16,8 @@
     <PackageVersion Include="Neptuo" Version="6.0.2" />
     <PackageVersion Include="Neptuo.Exceptions" Version="1.2.2" />
     <PackageVersion Include="Neptuo.Observables" Version="2.1.1" />
-    <PackageVersion Include="NuGet.Packaging" Version="6.8.1" />
-    <PackageVersion Include="NuGet.PackageManagement" Version="6.8.1" />
+    <PackageVersion Include="NuGet.Packaging" Version="7.6.0" />
+    <PackageVersion Include="NuGet.PackageManagement" Version="7.6.0" />
     <PackageVersion Include="System.Resources.Extensions" Version="8.0.0" />
   </ItemGroup>
 

appveyor.yml

@@ -1,5 +1,5 @@
 # version format
-version: 7.0.0.{build}
+version: 7.1.0.{build}
 
 matrix:
   fast_finish: true

src/GitExtensions.PluginManager/GitExtensions.PluginManager.csproj.user

@@ -2,7 +2,7 @@
   <PropertyGroup>
     <GitExtensionsDownloadPath>..\..\..\gitextensions.shared</GitExtensionsDownloadPath> <!-- path is relative to $(ProjectDir) -->
     <GitExtensionsReferenceVersion>latest</GitExtensionsReferenceVersion> <!-- 'latest' or 'v3.1' (= tag from GitHub releases) or 'v3.1.0.5877' (= build number from AppVeyor)-->
-    <GitExtensionsReferenceSource>AppVeyor</GitExtensionsReferenceSource> <!-- 'GitHub' or 'AppVeyor' -->
+    <GitExtensionsReferenceSource>GitHub</GitExtensionsReferenceSource> <!-- 'GitHub' or 'AppVeyor' -->
     <GitExtensionsPath>$(GitExtensionsDownloadPath)</GitExtensionsPath>
   </PropertyGroup>
 </Project>

src/PackageManager.NuGet/Models/NuGetPackageSourceCollection.cs

@@ -67,11 +67,31 @@ public void MarkAsPrimary(IPackageSource source)
                 return;
 
             if (source == null)
-                Provider.SaveActivePackageSource(null);
+                ClearActivePackageSource();
             else
                 Provider.SaveActivePackageSource(UnWrap(source));
         }
 
+        private void ClearActivePackageSource()
+        {
+            if (Provider is not PackageSourceProvider concreteProvider)
+            {
+                return;
+            }
+
+            if (concreteProvider.Settings.GetSection("activePackageSource") is not { } section)
+            {
+                return;
+            }
+
+            foreach (SettingItem item in section.Items)
+            {
+                concreteProvider.Settings.Remove("activePackageSource", item);
+            }
+
+            concreteProvider.Settings.SaveToDisk();
+        }
+
         internal void SavePackageSources(bool isOrderChanged = false)
         {
             // This is a workaround for change/bug in the underlaying package source provider,