Sweep attributes on GenericParameters and InterfaceImplementations (#571)

* Update dependencies from https://github.com/dotnet/arcade build 20190514.13

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19264.13

* Update dependencies from https://github.com/dotnet/arcade build 20190516.2

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.19266.2

* Sweep attributes on GenericParameters and InterfaceImplementations

This fixes test failures that show up due to NullableAttribute with
recent versions of .NET Core (https://github.com/mono/linker/pull/570)

* Increase line count limit for reduced tracing test

* Add test for sweeping attributes on GenericParameters

6 files changed, 53 insertions, 10 deletions

diff --git a/eng/common/PublishToPackageFeed.proj b/eng/common/PublishToPackageFeed.proj
index e17f72644..9120b2d21 100644
--- a/eng/common/PublishToPackageFeed.proj
+++ b/eng/common/PublishToPackageFeed.proj
@@ -53,6 +53,7 @@
       <TargetStaticFeed Condition="'$(ArtifactsCategory.ToUpper())' == 'TOOLSET'">https://dotnetfeed.blob.core.windows.net/dotnet-toolset/index.json</TargetStaticFeed>
       <TargetStaticFeed Condition="'$(ArtifactsCategory.ToUpper())' == 'WINDOWSDESKTOP'">https://dotnetfeed.blob.core.windows.net/dotnet-windowsdesktop/index.json</TargetStaticFeed>
       <TargetStaticFeed Condition="'$(ArtifactsCategory.ToUpper())' == 'NUGETCLIENT'">https://dotnetfeed.blob.core.windows.net/nuget-nugetclient/index.json</TargetStaticFeed>
+      <TargetStaticFeed Condition="'$(ArtifactsCategory.ToUpper())' == 'ASPNETENTITYFRAMEWORK6'">https://dotnetfeed.blob.core.windows.net/aspnet-entityframework6/index.json</TargetStaticFeed>
     </PropertyGroup>
 
     <Error 
diff --git a/eng/common/cross/arm64/sources.list.buster b/eng/common/cross/arm64/sources.list.buster
new file mode 100644
index 000000000..7194ac64a
--- /dev/null
+++ b/eng/common/cross/arm64/sources.list.buster
@@ -0,0 +1,11 @@
+deb http://deb.debian.org/debian buster main
+deb-src http://deb.debian.org/debian buster main
+
+deb http://deb.debian.org/debian-security/ buster/updates main
+deb-src http://deb.debian.org/debian-security/ buster/updates main
+
+deb http://deb.debian.org/debian buster-updates main
+deb-src http://deb.debian.org/debian buster-updates main
+
+deb http://deb.debian.org/debian buster-backports main contrib non-free
+deb-src http://deb.debian.org/debian buster-backports main contrib non-free
diff --git a/eng/common/cross/arm64/sources.list.stretch b/eng/common/cross/arm64/sources.list.stretch
new file mode 100644
index 000000000..0e1215774
--- /dev/null
+++ b/eng/common/cross/arm64/sources.list.stretch
@@ -0,0 +1,12 @@
+deb http://deb.debian.org/debian stretch main
+deb-src http://deb.debian.org/debian stretch main
+
+deb http://deb.debian.org/debian-security/ stretch/updates main
+deb-src http://deb.debian.org/debian-security/ stretch/updates main
+
+deb http://deb.debian.org/debian stretch-updates main
+deb-src http://deb.debian.org/debian stretch-updates main
+
+deb http://deb.debian.org/debian stretch-backports main contrib non-free
+deb-src http://deb.debian.org/debian stretch-backports main contrib non-free
+
diff --git a/eng/common/cross/build-rootfs.sh b/eng/common/cross/build-rootfs.sh
index 83ec39195..34d3d2ba1 100644
--- a/eng/common/cross/build-rootfs.sh
+++ b/eng/common/cross/build-rootfs.sh
@@ -2,7 +2,7 @@
 
 usage()
 {
-    echo "Usage: $0 [BuildArch] [LinuxCodeName] [lldbx.y] [--skipunmount] --rootfs <directory>]"
+    echo "Usage: $0 [BuildArch] [LinuxCodeName] [lldbx.y] [--skipunmount] --rootfsdir <directory>]"
     echo "BuildArch can be: arm(default), armel, arm64, x86"
     echo "LinuxCodeName - optional, Code name for Linux, can be: trusty, xenial(default), zesty, bionic, alpine. If BuildArch is armel, LinuxCodeName is jessie(default) or tizen."
     echo "lldbx.y - optional, LLDB version, can be: lldb3.9(default), lldb4.0, lldb5.0, lldb6.0 no-lldb. Ignored for alpine"
@@ -113,12 +113,12 @@ while :; do
                 __LinuxCodeName=trusty
             fi
             ;;
-        xenial) # Ubunry 16.04
+        xenial) # Ubuntu 16.04
             if [ "$__LinuxCodeName" != "jessie" ]; then
                 __LinuxCodeName=xenial
             fi
             ;;
-        zesty) # Ununtu 17.04
+        zesty) # Ubuntu 17.04
             if [ "$__LinuxCodeName" != "jessie" ]; then
                 __LinuxCodeName=zesty
             fi
@@ -132,7 +132,16 @@ while :; do
             __LinuxCodeName=jessie
             __UbuntuRepo="http://ftp.debian.org/debian/"
             ;;
-        # TBD Stretch -> Debian 9, Buster -> Debian 10
+        stretch) # Debian 9
+            __LinuxCodeName=stretch
+            __UbuntuRepo="http://ftp.debian.org/debian/"
+            __LLDB_Package="liblldb-6.0-dev"
+            ;;
+        buster) # Debian 10
+            __LinuxCodeName=buster
+            __UbuntuRepo="http://ftp.debian.org/debian/"
+            __LLDB_Package="liblldb-6.0-dev"
+            ;;
         tizen)
             if [ "$__BuildArch" != "armel" ]; then
                 echo "Tizen is available only for armel."
diff --git a/eng/common/darc-init.ps1 b/eng/common/darc-init.ps1
index 823d72a37..dea7cdd90 100644
--- a/eng/common/darc-init.ps1
+++ b/eng/common/darc-init.ps1
@@ -1,5 +1,6 @@
 param (
-    $darcVersion = $null
+    $darcVersion = $null,
+    $versionEndpoint = "https://maestro-prod.westus2.cloudapp.azure.com/api/assets/darc-version?api-version=2019-01-16"
 )
 
 $verbosity = "m"
@@ -16,10 +17,10 @@ function InstallDarcCli ($darcVersion) {
     Invoke-Expression "& `"$dotnet`" tool uninstall $darcCliPackageName -g"
   }
 
-  # Until we can anonymously query the BAR API for the latest arcade-services
-  # build applied to the PROD channel, this is hardcoded.
+  # If the user didn't explicitly specify the darc version,
+  # query the Maestro API for the correct version of darc to install.
   if (-not $darcVersion) {
-    $darcVersion = '1.1.0-beta.19258.3'
+    $darcVersion = $(Invoke-WebRequest -Uri $versionEndpoint -UseBasicParsing).Content
   }
   
   $arcadeServicesSource = 'https://dotnetfeed.blob.core.windows.net/dotnet-core/index.json'
diff --git a/eng/common/darc-init.sh b/eng/common/darc-init.sh
index 36d675738..abdd0bc05 100755
--- a/eng/common/darc-init.sh
+++ b/eng/common/darc-init.sh
@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 
 source="${BASH_SOURCE[0]}"
-darcVersion="1.1.0-beta.19258.3"
+darcVersion=''
+versionEndpoint="https://maestro-prod.westus2.cloudapp.azure.com/api/assets/darc-version?api-version=2019-01-16"
 
 while [[ $# > 0 ]]; do
   opt="$(echo "$1" | awk '{print tolower($0)}')"
@@ -10,6 +11,10 @@ while [[ $# > 0 ]]; do
       darcVersion=$2
       shift
       ;;
+    --versionendpoint)
+      versionEndpoint=$2
+      shift
+      ;;
     *)
       echo "Invalid argument: $1"
       usage
@@ -33,6 +38,10 @@ verbosity=m
 
 . "$scriptroot/tools.sh"
 
+if [ -z "$darcVersion" ]; then
+  darcVersion=$(curl -X GET "$versionEndpoint" -H "accept: text/plain")
+fi
+
 function InstallDarcCli {
   local darc_cli_package_name="microsoft.dotnet.darc"
 
@@ -47,7 +56,7 @@ function InstallDarcCli {
 
   local arcadeServicesSource="https://dotnetfeed.blob.core.windows.net/dotnet-core/index.json"
 
-  echo "Installing Darc CLI version $toolset_version..."
+  echo "Installing Darc CLI version $darcVersion..."
   echo "You may need to restart your command shell if this is the first dotnet tool you have installed."
   echo $($dotnet_root/dotnet tool install $darc_cli_package_name --version $darcVersion --add-source "$arcadeServicesSource" -v $verbosity -g)
 }