From ed8e195009a6e1b7c69a8ee9d7a148412184e29c Mon Sep 17 00:00:00 2001
From: "Stefan J. Wernli" <swernli@microsoft.com>
Date: Tue, 26 May 2020 23:34:39 -0700
Subject: [PATCH] Add IncludeProviderPackages option

This allows clients to suppress automatic loading of provider packages for testing or development purposes.
---
 src/QuantumSdk/DefaultItems/DefaultItems.props.v.template | 1 +
 src/QuantumSdk/README.md                                  | 3 +++
 src/QuantumSdk/Sdk/Sdk.props                              | 6 +++---
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/QuantumSdk/DefaultItems/DefaultItems.props.v.template b/src/QuantumSdk/DefaultItems/DefaultItems.props.v.template
index ea3594c422..6a5a926646 100644
--- a/src/QuantumSdk/DefaultItems/DefaultItems.props.v.template
+++ b/src/QuantumSdk/DefaultItems/DefaultItems.props.v.template
@@ -32,6 +32,7 @@
     <QscVerbosity>Normal</QscVerbosity>
     <CsharpGeneration>true</CsharpGeneration> <!-- at some point we may want to make False the default -->
     <IncludeQsharpCorePackages>true</IncludeQsharpCorePackages> 
+    <IncludeProviderPackages>true</IncludeProviderPackages> 
     <QsharpDocsGeneration>false</QsharpDocsGeneration>
     <ExposeReferencesViaTestNames>false</ExposeReferencesViaTestNames> <!-- IMPORTANT: If the name of this property is changed, the property name in the language server needs to be adapted! -->
     <DefaultQscBuildConfigExe>dotnet "$(MSBuildThisFileDirectory)../tools/utils/Microsoft.Quantum.Sdk.BuildConfiguration.dll"</DefaultQscBuildConfigExe> 
diff --git a/src/QuantumSdk/README.md b/src/QuantumSdk/README.md
index 682fab4c86..b5259154f3 100644
--- a/src/QuantumSdk/README.md
+++ b/src/QuantumSdk/README.md
@@ -115,6 +115,9 @@ Specifies the simulator to use by default for execution. Valid values are Quantu
 - `IncludeQsharpCorePackages`:     
 Specifies whether the packages providing the basic language support for Q# are referenced. This property is set to true by default. If set to false, the Sdk will not reference any Q# libraries. 
 
+- `IncludeProviderPackages`:
+Specifies whether the packages for specific hardware providers should be automatically included based on the specified `ExecutionTarget`. This property is set to true by default. If set to false, the Sdk will not automatically reference any provider packages.
+
 - `QscExe`:    
 The command to invoke the Q# compiler. The value set by default invokes the Q# compiler that is packaged as tool with the Sdk. The default value can be accessed via the `DefaultQscExe` property. 
 
diff --git a/src/QuantumSdk/Sdk/Sdk.props b/src/QuantumSdk/Sdk/Sdk.props
index 53285be4a7..c83600e557 100644
--- a/src/QuantumSdk/Sdk/Sdk.props
+++ b/src/QuantumSdk/Sdk/Sdk.props
@@ -32,9 +32,9 @@
     <PackageReference Condition="$(IncludeQsharpCorePackages)" Include="Microsoft.Quantum.Standard" Version="0.10.2001.2831" />
     <PackageReference Condition="'$(ResolvedQsharpOutputType)' == 'QsharpExe'" Include="System.CommandLine" Version="2.0.0-beta1.20213.1" />
     <!-- Packages included for specific execution targets. -->
-    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'HoneywellProcessor'" Include="Microsoft.Quantum.Providers.Honeywell" Version="0.11.2005.2616-beta" />
-    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'IonQProcessor'" Include="Microsoft.Quantum.Providers.IonQ" Version="0.11.2005.2616-beta" />
-    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'QCIProcessor'" Include="Microsoft.Quantum.Providers.QCI" Version="0.11.2005.2616-beta" />
+    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'HoneywellProcessor' And $(IncludeProviderPackages)" Include="Microsoft.Quantum.Providers.Honeywell" Version="0.11.2005.2616-beta" />
+    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'IonQProcessor' And $(IncludeProviderPackages)" Include="Microsoft.Quantum.Providers.IonQ" Version="0.11.2005.2616-beta" />
+    <PackageReference Condition="'$(ResolvedQsharpExecutionTarget)' == 'QCIProcessor' And $(IncludeProviderPackages)" Include="Microsoft.Quantum.Providers.QCI" Version="0.11.2005.2616-beta" />
     <!-- TODO: UNCOMMENT THESE ONCE WE HAVE THE CORRESPONDING PACKAGES. -->
     <!--PackageReference Condition="'$(ResolvedQuantumIntrinsics)' == 'OpenQASM'" Include="Microsoft.Quantum.Intrinsics.OpenQASM" Version="0.10.2001.2831" IsTargetPackage='true' />
     <PackageReference Condition="'$(ResolvedQuantumIntrinsics)' == 'ExtendedQASM'" Include="Microsoft.Quantum.Intrinsics.ExtendedQASM" Version="0.10.2001.2831" IsTargetPackage='true' /-->