[automated] Merge branch 'release/2.1' => 'release/2.2' (#4577)

* Workaround problems when opening solution files in Visual Studio (#4569)

Changes:

* Condense Routing.sln into HttpAbstractions.sln
* Workaround NU1105 by adding all ProjectReferences to the .sln
* Workaround exceptions in the ReferencesHostBridge by moving Reference items to a temporary item group
* Add a 'startvs.cmd' script for launching VS with the right env variables
* Remove RangeHelper test project
* Move RangeHelper tests into StaticFiles.Tests and add target for NPM restore

* Convert Session to use Reference and move to Middleware folder (#4576)

* Add RoutingSample.Web to HttpAbstractions.sln

1 files changed, 32 insertions, 0 deletions

diff --git a/startvs.cmd b/startvs.cmd
new file mode 100644
index 0000000000..05cd3ebfda
--- /dev/null
+++ b/startvs.cmd
@@ -0,0 +1,32 @@
+@ECHO OFF
+
+:: This command launches a Visual Studio solution with environment variables required to use a local version of the .NET Core SDK.
+
+IF "%DOTNET_HOME%"=="" (
+    set DOTNET_HOME=%USERPROFILE%\.dotnet\x64
+)
+
+:: This tells .NET Core to use the same dotnet.exe that build scripts use
+SET DOTNET_ROOT=%DOTNET_HOME%
+
+:: This tells .NET Core not to go looking for .NET Core in other places
+SET DOTNET_MULTILEVEL_LOOKUP=0
+
+:: Put our local dotnet.exe on PATH first so Visual Studio knows which one to use
+SET PATH=%DOTNET_ROOT%;%PATH%
+
+SET sln=%1
+
+IF NOT EXIST %DOTNET_ROOT%\dotnet.exe (
+    echo .NET Core has not yet been installed. Run `build.cmd -restore` to install tools
+    exit /b 1
+)
+
+IF "%sln%"=="" (
+    echo Error^: Expected argument ^<SLN_FILE^>
+    echo Usage^: startvs.cmd ^<SLN_FILE^>
+
+    exit /b 1
+)
+
+start %sln%