From cf4c2468a7dcb81e9bd4c92948fe3df240024f0e Mon Sep 17 00:00:00 2001
From: Sean McManus <seanmcm@microsoft.com>
Date: Mon, 23 Feb 2026 11:11:00 -0800
Subject: [PATCH 1/2] Set workingDirectory for nuget restore.

---
 Build/package/jobs_package_vsix.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Build/package/jobs_package_vsix.yml b/Build/package/jobs_package_vsix.yml
index 31938fcf5..e614bd9d0 100644
--- a/Build/package/jobs_package_vsix.yml
+++ b/Build/package/jobs_package_vsix.yml
@@ -65,6 +65,7 @@ jobs:
     displayName: Authenticate NuGet
   - script: nuget restore $(Build.SourcesDirectory)\Build\signing\SignVsix.proj -PackagesDirectory $(Build.SourcesDirectory)\Build\signing\packages
     displayName: Restore MicroBuild Core
+    workingDirectory: $(Build.SourcesDirectory)\${{ parameters.srcDir }}
   - task: MSBuild@1
     displayName: Sign the vsix
     inputs:

From 231f5a252d36f06f06212e59cb4c8bbb633af082 Mon Sep 17 00:00:00 2001
From: Sean McManus <seanmcm@microsoft.com>
Date: Mon, 23 Feb 2026 12:06:56 -0800
Subject: [PATCH 2/2] Add a NuGet.config file.

---
 Build/package/jobs_package_vsix.yml | 3 +--
 Build/signing/NuGet.config          | 7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)
 create mode 100644 Build/signing/NuGet.config

diff --git a/Build/package/jobs_package_vsix.yml b/Build/package/jobs_package_vsix.yml
index e614bd9d0..7c56158e8 100644
--- a/Build/package/jobs_package_vsix.yml
+++ b/Build/package/jobs_package_vsix.yml
@@ -63,9 +63,8 @@ jobs:
     displayName: Install NuGet
   - task: NuGetAuthenticate@1
     displayName: Authenticate NuGet
-  - script: nuget restore $(Build.SourcesDirectory)\Build\signing\SignVsix.proj -PackagesDirectory $(Build.SourcesDirectory)\Build\signing\packages
+  - script: nuget restore $(Build.SourcesDirectory)\Build\signing\SignVsix.proj -PackagesDirectory $(Build.SourcesDirectory)\Build\signing\packages -ConfigFile $(Build.SourcesDirectory)\Build\signing\NuGet.config
     displayName: Restore MicroBuild Core
-    workingDirectory: $(Build.SourcesDirectory)\${{ parameters.srcDir }}
   - task: MSBuild@1
     displayName: Sign the vsix
     inputs:
diff --git a/Build/signing/NuGet.config b/Build/signing/NuGet.config
new file mode 100644
index 000000000..1aea3e67d
--- /dev/null
+++ b/Build/signing/NuGet.config
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+    <add key="Engineering" value="https://pkgs.dev.azure.com/devdiv/_packaging/MicroBuildToolset/nuget/v3/index.json" />
+  </packageSources>
+</configuration>
\ No newline at end of file