From cc2f5497e86a4c029e2928f315f65a01edc20254 Mon Sep 17 00:00:00 2001
From: Brennan <brecon@microsoft.com>
Date: Mon, 30 Mar 2020 15:34:02 -0700
Subject: [PATCH] Avoid modifying global machine state on Helix (#20315)

---
 eng/helix/content/default.NuGet.config |  6 ++++++
 eng/helix/content/runtests.cmd         | 10 ++++++++--
 eng/helix/content/runtests.sh          | 10 ++++++++--
 3 files changed, 22 insertions(+), 4 deletions(-)
 create mode 100644 eng/helix/content/default.NuGet.config

diff --git a/eng/helix/content/default.NuGet.config b/eng/helix/content/default.NuGet.config
new file mode 100644
index 0000000000..ade6630535
--- /dev/null
+++ b/eng/helix/content/default.NuGet.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <packageSources>
+    <clear />
+  </packageSources>
+</configuration>
\ No newline at end of file
diff --git a/eng/helix/content/runtests.cmd b/eng/helix/content/runtests.cmd
index 968ab223f9..18e47240ed 100644
--- a/eng/helix/content/runtests.cmd
+++ b/eng/helix/content/runtests.cmd
@@ -23,14 +23,20 @@ echo "Installing SDK"
 powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; &([scriptblock]::Create((Invoke-WebRequest -useb 'https://dot.net/v1/dotnet-install.ps1'))) -Architecture %$arch% -Version %$sdkVersion% -InstallDir %DOTNET_ROOT%"
 echo "Installing Runtime"
 powershell.exe -NoProfile -ExecutionPolicy unrestricted -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; &([scriptblock]::Create((Invoke-WebRequest -useb 'https://dot.net/v1/dotnet-install.ps1'))) -Architecture %$arch% -Runtime dotnet -Version %$runtimeVersion% -InstallDir %DOTNET_ROOT%"
+
+REM "Rename default.NuGet.config to NuGet.config if there is not a custom one from the project"
+if not EXIST ".\NuGet.config" (
+    copy default.NuGet.config NuGet.config
+)
+
 echo "Checking for Microsoft.AspNetCore.App"
 if EXIST ".\Microsoft.AspNetCore.App" (
     echo "Found Microsoft.AspNetCore.App, copying to %DOTNET_ROOT%\shared\Microsoft.AspNetCore.App\%runtimeVersion%"
     xcopy /i /y ".\Microsoft.AspNetCore.App" %DOTNET_ROOT%\shared\Microsoft.AspNetCore.App\%runtimeVersion%\
 
     echo "Adding current directory to nuget sources: %HELIX_WORKITEM_ROOT%"
-    dotnet nuget add source %HELIX_WORKITEM_ROOT%
-    dotnet nuget add source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json
+    dotnet nuget add source %HELIX_WORKITEM_ROOT% --configfile NuGet.config
+    dotnet nuget add source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json --configfile NuGet.config
     dotnet nuget list source
     dotnet tool install dotnet-ef --global --version %$efVersion%
 
diff --git a/eng/helix/content/runtests.sh b/eng/helix/content/runtests.sh
index c8c84f1c33..26a9f45339 100755
--- a/eng/helix/content/runtests.sh
+++ b/eng/helix/content/runtests.sh
@@ -93,6 +93,12 @@ if [ $? -ne 0 ]; then
     done
 fi
 
+# Rename default.NuGet.config to NuGet.config if there is not a custom one from the project
+if [ ! -f "NuGet.config" ]
+then
+    cp default.NuGet.config NuGet.config
+fi
+
 # Copy over any local shared fx if found
 if [ -d "Microsoft.AspNetCore.App" ]
 then
@@ -100,8 +106,8 @@ then
     cp -r Microsoft.AspNetCore.App $DOTNET_ROOT/shared/Microsoft.AspNetCore.App/$dotnet_runtime_version
 
     echo "Adding current directory to nuget sources: $DIR"
-    dotnet nuget add source $DIR
-    dotnet nuget add source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json
+    dotnet nuget add source $DIR --configfile NuGet.config
+    dotnet nuget add source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet5/nuget/v3/index.json --configfile NuGet.config
     dotnet nuget list source
 
     dotnet tool install dotnet-ef --global --version $efVersion