Fix list of external dependencies for netstandard1.6 to work better with netcoreapp1.0

Author: natemcmaster

.appveyor.yml

@@ -1,6 +1,6 @@
 version: 2.1.0-alpha.{build}+{branch}
 init:
-  - git config --global core.autocrlf true
+  - git config --global core.autocrlf input
 clone_depth: 1
 branches:
   only:

build.ps1

@@ -3,6 +3,8 @@
 param(
     [ValidateSet('Debug', 'Release')]
     $Configuration = $null,
+	[switch]
+	$IsOfficialBuild,
     [Parameter(ValueFromRemainingArguments = $true)]
     [string[]]$MSBuildArgs
 )
@@ -26,15 +28,19 @@ function exec([string]$_cmd) {
 #
 
 if (!$Configuration) {
-    $Configuration = if ($env:CI) { 'Release' } else { 'Debug' }
+    $Configuration = if ($env:CI -or $IsOfficialBuild) { 'Release' } else { 'Debug' }
+}
+
+if ($IsOfficialBuild) {
+	$MSBuildArgs += '-p:CI=true'
 }
 
 $artifacts = "$PSScriptRoot/artifacts/"
 
 Remove-Item -Recurse $artifacts -ErrorAction Ignore
 
 exec dotnet restore @MSBuildArgs
-exec dotnet build --no-restore --configuration $Configuration
+exec dotnet build --no-restore --configuration $Configuration @MSBuildArgs
 exec dotnet pack --no-restore --no-build --configuration $Configuration -o $artifacts @MSBuildArgs
 exec dotnet test --no-restore --no-build --configuration $Configuration '-clp:Summary' `
     "$PSScriptRoot/test/CommandLineUtils.Tests/McMaster.Extensions.CommandLineUtils.Tests.csproj" `

src/CommandLineUtils/McMaster.Extensions.CommandLineUtils.csproj

@@ -1,4 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
+
   <PropertyGroup>
     <TargetFrameworks>netstandard2.0;netstandard1.6</TargetFrameworks>
     <TargetFrameworks Condition="$([MSBuild]::IsOSPlatform(Windows))">$(TargetFrameworks);net45</TargetFrameworks>
@@ -16,9 +17,11 @@ McMaster.Extensions.CommandLineUtils.ArgumentEscaper
     <IncludeSymbols>true</IncludeSymbols>
     <IncludeSource>true</IncludeSource>
   </PropertyGroup>
+
   <ItemGroup Condition="'$(TargetFramework)'=='netstandard1.6'">
-    <PackageReference Include="System.AppContext" Version="4.3.0" />
-    <PackageReference Include="System.Diagnostics.Process" Version="4.3.0" />
-    <PackageReference Include="System.Threading.Thread" Version="4.3.0" />
+    <PackageReference Include="System.Diagnostics.Process" Version="4.1.0" />
+    <PackageReference Include="System.Threading.Thread" Version="4.0.0" />
+    <PackageReference Update="NETStandard.Library" PrivateAssets="All" />
   </ItemGroup>
+
 </Project>