diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 224b2e8..69dff78 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,6 +20,10 @@ on:
 env:
   DOTNET_NOLOGO: true
   SLEET_CONNECTION: ${{ secrets.SLEET_CONNECTION }}
+  MSBUILDTERMINALLOGGER: auto
+  GH_TOKEN: ${{ secrets.GH_TOKEN }}
+  Configuration: ${{ github.event.inputs.configuration || 'Release' }}
+  SLEET_FEED_URL: ${{ vars.SLEET_FEED_URL }}
 
 defaults:
   run:
@@ -98,8 +102,16 @@ jobs:
           name: pkg
           path: bin
 
+      - name: ⚙ dotnet
+        uses: devlooped/actions-dotnet-env@v1
+
+      - name: 🙏 build
+        run: dotnet build
+
       - name: 🧪 test
-        run: dotnet test --nologo -bl --logger:"console;verbosity=normal"
+        run: |
+          dotnet tool update -g dotnet-retest
+          dotnet retest -- --no-build
 
       - name: 🐛 logs
         uses: actions/upload-artifact@v4
diff --git a/src/CredentialManager/CredentialManager.cs b/src/CredentialManager/CredentialManager.cs
index 55bcea7..6469eb0 100644
--- a/src/CredentialManager/CredentialManager.cs
+++ b/src/CredentialManager/CredentialManager.cs
@@ -1,5 +1,10 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
+using System.Runtime.InteropServices;
+using DotNetConfig;
+using KnownEnvars = GitCredentialManager.Constants.EnvironmentVariables;
+using KnownGitCfg = GitCredentialManager.Constants.GitConfiguration;
 
 namespace GitCredentialManager;
 
@@ -68,8 +73,60 @@ class CommandContextWrapper(CommandContext context, string? @namespace) : IComma
 
     class SettingsWrapper(ISettings settings, string? @namespace) : ISettings
     {
+        static readonly Config gitconfig;
+
+        static SettingsWrapper()
+        {
+            string homeDir;
+
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                homeDir = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+            }
+            else
+            {
+                // On Linux/Mac it's $HOME
+                homeDir = Environment.GetEnvironmentVariable("HOME")
+                          ?? Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);
+            }
+
+            gitconfig = Config.Build(Path.Combine(homeDir, ".gitconfig"));
+        }
+
+        static bool TryGetWrappedSetting(string envarName, string section, string property, out string value)
+        {
+            if (envarName != null && Environment.GetEnvironmentVariable(envarName) is { Length: > 0 } envvar)
+            {
+                value = envvar;
+                return true;
+            }
+
+            return gitconfig.TryGetString(section, property, out value);
+        }
+
         // Overriden namespace to scope credential operations.
-        public string CredentialNamespace => @namespace ?? settings.CredentialNamespace;
+        public string CredentialNamespace => @namespace ?? (
+            TryGetWrappedSetting(KnownEnvars.GcmCredNamespace,
+                KnownGitCfg.Credential.SectionName, KnownGitCfg.Credential.CredNamespace,
+                out var ns) ? ns : Constants.DefaultCredentialNamespace);
+
+        public string CredentialBackingStore =>
+            TryGetWrappedSetting(
+                KnownEnvars.GcmCredentialStore,
+                KnownGitCfg.Credential.SectionName,
+                KnownGitCfg.Credential.CredentialStore,
+                out string credStore)
+                ? credStore
+                : null!;
+
+        public bool UseMsAuthDefaultAccount =>
+            TryGetWrappedSetting(
+                KnownEnvars.MsAuthUseDefaultAccount,
+                KnownGitCfg.Credential.SectionName,
+                KnownGitCfg.Credential.MsAuthUseDefaultAccount,
+                out string str)
+            ? str.IsTruthy()
+            : PlatformUtils.IsDevBox(); // default to true in DevBox environment
 
         #region pass-through impl.
 
@@ -99,8 +156,6 @@ class SettingsWrapper(ISettings settings, string? @namespace) : ISettings
 
         public string ParentWindowId => settings.ParentWindowId;
 
-        public string CredentialBackingStore => settings.CredentialBackingStore;
-
         public string CustomCertificateBundlePath => settings.CustomCertificateBundlePath;
 
         public string CustomCookieFilePath => settings.CustomCookieFilePath;
@@ -111,8 +166,6 @@ class SettingsWrapper(ISettings settings, string? @namespace) : ISettings
 
         public int AutoDetectProviderTimeout => settings.AutoDetectProviderTimeout;
 
-        public bool UseMsAuthDefaultAccount => settings.UseMsAuthDefaultAccount;
-
         public bool UseSoftwareRendering => settings.UseSoftwareRendering;
 
         public bool AllowUnsafeRemotes => settings.AllowUnsafeRemotes;
diff --git a/src/CredentialManager/CredentialManager.csproj b/src/CredentialManager/CredentialManager.csproj
index 4b894d2..483553a 100644
--- a/src/CredentialManager/CredentialManager.csproj
+++ b/src/CredentialManager/CredentialManager.csproj
@@ -17,6 +17,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="DotNetConfig" Version="1.2.0" />
     <PackageReference Include="NuGetizer" Version="1.2.3" PrivateAssets="all" />
     <PackageReference Include="ILRepack" Version="2.0.33" Pack="false" />
     <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="8.0.0" />
@@ -28,11 +29,7 @@
     <ProjectReference Include="..\Core\Core.csproj" Pack="false" />
   </ItemGroup>
 
-  <Target Name="ILRepack" BeforeTargets="CopyFilesToOutputDirectory"
-          Inputs="@(IntermediateAssembly -> '%(FullPath)')"
-          Outputs="$(IntermediateOutputPath)ilrepack.txt"
-          Returns="@(MergedAssemblies)"
-          Condition="$(OS) == 'WINDOWS_NT' And Exists(@(IntermediateAssembly -&gt; '%(FullPath)'))">
+  <Target Name="ILRepack" BeforeTargets="CopyFilesToOutputDirectory" Inputs="@(IntermediateAssembly -> '%(FullPath)')" Outputs="$(IntermediateOutputPath)ilrepack.txt" Returns="@(MergedAssemblies)" Condition="$(OS) == 'WINDOWS_NT' And Exists(@(IntermediateAssembly -> '%(FullPath)'))">
     <Message Text="Repacking" Importance="high" />
     <ItemGroup>
       <MergedAssemblies Include="@(ReferencePath)" Condition="'%(Extension)' == '.dll' And $([MSBuild]::ValueOrDefault('%(FileName)', '')) == 'Core'" />
@@ -42,7 +39,7 @@
       <ILRepackArgs>$(ILRepackArgs) "@(IntermediateAssembly -> '%(FullPath)')"</ILRepackArgs>
       <ILRepackArgs>$(ILRepackArgs) @(MergedAssemblies -> '"%(FullPath)"', ' ')</ILRepackArgs>
     </PropertyGroup>
-    <Exec Command='"$(ILRepack)" /internalize:exclude.txt $(ILRepackArgs)' StandardErrorImportance="high" StandardOutputImportance="low" ConsoleToMSBuild="true" ContinueOnError="true">
+    <Exec Command="&quot;$(ILRepack)&quot; /internalize:exclude.txt $(ILRepackArgs)" StandardErrorImportance="high" StandardOutputImportance="low" ConsoleToMSBuild="true" ContinueOnError="true">
       <Output TaskParameter="ConsoleOutput" PropertyName="ILRepackOutput" />
       <Output TaskParameter="ExitCode" PropertyName="ExitCode" />
     </Exec>
@@ -54,8 +51,7 @@
       <MergedAssembliesToRemove Include="@(MergedAssemblies)" />
       <MergedAssembliesToRemove Remove="@(ReferenceToPreserve)" />
     </ItemGroup>
-    <Delete Files="@(MergedAssembliesToRemove -> '$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')"
-            Condition="Exists('$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')" />
+    <Delete Files="@(MergedAssembliesToRemove -> '$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')" Condition="Exists('$(MSBuildProjectDirectory)\$(OutputPath)%(Filename)%(Extension)')" />
   </Target>
 
 </Project>
diff --git a/src/Tests/Tests.csproj b/src/Tests/Tests.csproj
index 82f9748..4c4fab1 100644
--- a/src/Tests/Tests.csproj
+++ b/src/Tests/Tests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.5.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
-    <PackageReference Include="Devlooped.CredentialManager" Version="42.*" Condition="!$(CI)" />
+    <PackageReference Include="Devlooped.CredentialManager" Version="42.42.42-main.*" Condition="!$(CI)" />
     <PackageReference Include="Devlooped.CredentialManager" Version="$(Version)" Condition="$(CI) And Exists('$(PackageOutputPath)')" />
   </ItemGroup>