Imported Upstream version 6.4.0.137

Former-commit-id: 943baa9f16a098c33e129777827f3a9d20da00d6

external/linker/eng/common/darc-init.sh

@@ -1,7 +1,8 @@
 #!/usr/bin/env bash
 
 source="${BASH_SOURCE[0]}"
-darcVersion="1.1.0-beta.19115.5"
+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"
 
@@ -45,9 +54,9 @@ function InstallDarcCli {
     echo $($dotnet_root/dotnet tool uninstall $darc_cli_package_name -g)
   fi
 
-  local arcadeServicesSource="https://dotnetfeed.blob.core.windows.net/dotnet-arcade/index.json"
+  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)
 }