Update dependencies from https://github.com/dotnet/arcade build 20200213.5 (#28018)

- Microsoft.DotNet.Arcade.Sdk - 1.0.0-beta.20113.5
- Microsoft.DotNet.Build.Tasks.Feed - 2.2.0-beta.20113.5
- Microsoft.DotNet.Build.Tasks.Packaging - 1.0.0-beta.20113.5
- Microsoft.DotNet.Helix.Sdk - 2.0.0-beta.20113.5

9 files changed, 187 insertions, 43 deletions

diff --git a/eng/common/SetupNugetSources.ps1 b/eng/common/SetupNugetSources.ps1
index 2cb40c2947..a8b5280d9d 100644
--- a/eng/common/SetupNugetSources.ps1
+++ b/eng/common/SetupNugetSources.ps1
@@ -16,7 +16,7 @@
 #    condition: eq(variables['Agent.OS'], 'Windows_NT')
 #    inputs:
 #      filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.ps1
-#      arguments: -ConfigFile ${Env:BUILD_SOURCESDIRECTORY}/NuGet.config -Password $Env:Token
+#      arguments: -ConfigFile $(Build.SourcesDirectory)/NuGet.config -Password $Env:Token
 #    env:
 #      Token: $(dn-bot-dnceng-artifact-feeds-rw)
 
@@ -83,7 +83,7 @@ function AddCredential($creds, $source, $username, $password) {
     $passwordElement.SetAttribute("value", $Password)
 }
 
-function InsertMaestroPrivateFeedCredentials($Sources, $Creds, $Password) {
+function InsertMaestroPrivateFeedCredentials($Sources, $Creds, $Username, $Password) {
     $maestroPrivateSources = $Sources.SelectNodes("add[contains(@key,'darc-int')]")
 
     Write-Host "Inserting credentials for $($maestroPrivateSources.Count) Maestro's private feeds."
@@ -95,10 +95,15 @@ function InsertMaestroPrivateFeedCredentials($Sources, $Creds, $Password) {
 }
 
 if (!(Test-Path $ConfigFile -PathType Leaf)) {
-  Write-Host "Couldn't find the file NuGet config file: $ConfigFile"
+  Write-PipelineTelemetryError -Category 'Build' -Message "Eng/common/SetupNugetSources.ps1 returned a non-zero exit code. Couldn't find the NuGet config file: $ConfigFile"
   ExitWithExitCode 1
 }
 
+if (!$Password) {
+    Write-PipelineTelemetryError -Category 'Build' -Message 'Eng/common/SetupNugetSources.ps1 returned a non-zero exit code. Please supply a valid PAT'
+    ExitWithExitCode 1
+}
+
 # Load NuGet.config
 $doc = New-Object System.Xml.XmlDocument
 $filename = (Get-Item $ConfigFile).FullName
@@ -118,10 +123,21 @@ if ($creds -eq $null) {
     $doc.DocumentElement.AppendChild($creds) | Out-Null
 }
 
+$userName = "dn-bot"
+
 # Insert credential nodes for Maestro's private feeds
-InsertMaestroPrivateFeedCredentials -Sources $sources -Creds $creds -Password $Password
+InsertMaestroPrivateFeedCredentials -Sources $sources -Creds $creds -Username $userName -Password $Password
 
-AddPackageSource -Sources $sources -SourceName "dotnet3-internal" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal/nuget/v2" -Creds $creds -Username "dn-bot" -Password $Password
-AddPackageSource -Sources $sources -SourceName "dotnet3-internal-transport" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal-transport/nuget/v2" -Creds $creds -Username "dn-bot" -Password $Password
+$dotnet3Source = $sources.SelectSingleNode("add[@key='dotnet3']")
+if ($dotnet3Source -ne $null) {
+    AddPackageSource -Sources $sources -SourceName "dotnet3-internal" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal/nuget/v2" -Creds $creds -Username $userName -Password $Password
+    AddPackageSource -Sources $sources -SourceName "dotnet3-internal-transport" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal-transport/nuget/v2" -Creds $creds -Username $userName -Password $Password
+}
+
+$dotnet31Source = $sources.SelectSingleNode("add[@key='dotnet3.1']")
+if ($dotnet31Source -ne $null) {
+    AddPackageSource -Sources $sources -SourceName "dotnet3.1-internal" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v2" -Creds $creds -Username $userName -Password $Password
+    AddPackageSource -Sources $sources -SourceName "dotnet3.1-internal-transport" -SourceEndPoint "https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v2" -Creds $creds -Username $userName -Password $Password
+}
 
-$doc.Save($filename)
+$doc.Save($filename)
\ No newline at end of file
diff --git a/eng/common/SetupNugetSources.sh b/eng/common/SetupNugetSources.sh
index 1264521317..4ebb1e5a44 100644
--- a/eng/common/SetupNugetSources.sh
+++ b/eng/common/SetupNugetSources.sh
@@ -17,7 +17,7 @@
 #    displayName: Setup Private Feeds Credentials
 #    inputs:
 #      filePath: $(Build.SourcesDirectory)/eng/common/SetupNugetSources.sh
-#      arguments: $BUILD_SOURCESDIRECTORY/NuGet.config $Token
+#      arguments: $(Build.SourcesDirectory)/NuGet.config $Token
 #    condition: ne(variables['Agent.OS'], 'Windows_NT')
 #    env:
 #      Token: $(dn-bot-dnceng-artifact-feeds-rw)
@@ -42,7 +42,12 @@ scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
 . "$scriptroot/tools.sh"
 
 if [ ! -f "$ConfigFile" ]; then
-    echo "Couldn't find the file NuGet config file: $ConfigFile"
+    Write-PipelineTelemetryError -Category 'Build' "Error: Eng/common/SetupNugetSources.sh returned a non-zero exit code. Couldn't find the NuGet config file: $ConfigFile"
+    ExitWithExitCode 1
+fi
+
+if [ -z "$CredToken" ]; then
+    Write-PipelineTelemetryError -category 'Build' "Error: Eng/common/SetupNugetSources.sh returned a non-zero exit code. Please supply a valid PAT"
     ExitWithExitCode 1
 fi
 
@@ -52,7 +57,7 @@ if [[ `uname -s` == "Darwin" ]]; then
 fi
 
 # Ensure there is a <packageSources>...</packageSources> section.
-grep -i "<packageSources>" $ConfigFile 
+grep -i "<packageSources>" $ConfigFile
 if [ "$?" != "0" ]; then
     echo "Adding <packageSources>...</packageSources> section."
     ConfigNodeHeader="<configuration>"
@@ -62,7 +67,7 @@ if [ "$?" != "0" ]; then
 fi
 
 # Ensure there is a <packageSourceCredentials>...</packageSourceCredentials> section. 
-grep -i "<packageSourceCredentials>" $ConfigFile 
+grep -i "<packageSourceCredentials>" $ConfigFile
 if [ "$?" != "0" ]; then
     echo "Adding <packageSourceCredentials>...</packageSourceCredentials> section."
 
@@ -72,37 +77,64 @@ if [ "$?" != "0" ]; then
     sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourcesNodeFooter${NL}$PackageSourceCredentialsTemplate|" NuGet.config
 fi
 
-# Ensure dotnet3-internal and dotnet3-internal-transport is in the packageSources
-grep -i "<add key=\"dotnet3-internal\">" $ConfigFile 
-if [ "$?" != "0" ]; then
-    echo "Adding dotnet3-internal to the packageSources."
+PackageSources=()
 
-    PackageSourcesNodeFooter="</packageSources>"
-    PackageSourceTemplate="${TB}<add key=\"dotnet3-internal\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal/nuget/v2\" />"
+# Ensure dotnet3-internal and dotnet3-internal-transport are in the packageSources if the public dotnet3 feeds are present
+grep -i "<add key=\"dotnet3\"" $ConfigFile
+
+if [ "$?" == "0" ]; then
+    grep -i "<add key=\"dotnet3-internal\">" $ConfigFile
+    if [ "$?" != "0" ]; then
+        echo "Adding dotnet3-internal to the packageSources."
+        PackageSourcesNodeFooter="</packageSources>"
+        PackageSourceTemplate="${TB}<add key=\"dotnet3-internal\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal/nuget/v2\" />"
+
+        sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" $ConfigFile
+    fi
+    PackageSources+=('dotnet3-internal')
+
+    grep -i "<add key=\"dotnet3-internal-transport\"" $ConfigFile
+    if [ "$?" != "0" ]; then
+        echo "Adding dotnet3-internal-transport to the packageSources."
+        PackageSourcesNodeFooter="</packageSources>"
+        PackageSourceTemplate="${TB}<add key=\"dotnet3-internal-transport\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal-transport/nuget/v2\" />"
 
-    sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" NuGet.config
+        sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" $ConfigFile
+    fi
+    PackageSources+=('dotnet3-internal-transport')
 fi
 
-# Ensure dotnet3-internal and dotnet3-internal-transport is in the packageSources
-grep -i "<add key=\"dotnet3-internal-transport\">" $ConfigFile 
-if [ "$?" != "0" ]; then
-    echo "Adding dotnet3-internal-transport to the packageSources."
+# Ensure dotnet3.1-internal and dotnet3.1-internal-transport are in the packageSources if the public dotnet3.1 feeds are present
+grep -i "<add key=\"dotnet3.1\"" $ConfigFile
+if [ "$?" == "0" ]; then
+    grep -i "<add key=\"dotnet3.1-internal\"" $ConfigFile
+    if [ "$?" != "0" ]; then
+        echo "Adding dotnet3.1-internal to the packageSources."
+        PackageSourcesNodeFooter="</packageSources>"
+        PackageSourceTemplate="${TB}<add key=\"dotnet3.1-internal\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v2\" />"
 
-    PackageSourcesNodeFooter="</packageSources>"
-    PackageSourceTemplate="${TB}<add key=\"dotnet3-internal-transport\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3-internal-transport/nuget/v2\" />"
+        sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" $ConfigFile
+    fi
+    PackageSources+=('dotnet3.1-internal')
 
-    sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" NuGet.config
+    grep -i "<add key=\"dotnet3.1-internal-transport\">" $ConfigFile
+    if [ "$?" != "0" ]; then
+        echo "Adding dotnet3.1-internal-transport to the packageSources."
+        PackageSourcesNodeFooter="</packageSources>"
+        PackageSourceTemplate="${TB}<add key=\"dotnet3.1-internal-transport\" value=\"https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v2\" />"
+
+        sed -i.bak "s|$PackageSourcesNodeFooter|$PackageSourceTemplate${NL}$PackageSourcesNodeFooter|" $ConfigFile
+    fi
+    PackageSources+=('dotnet3.1-internal-transport')
 fi
 
 # I want things split line by line
 PrevIFS=$IFS
 IFS=$'\n'
-PackageSources=$(grep -oh '"darc-int-[^"]*"' $ConfigFile | tr -d '"')
+PackageSources+="$IFS"
+PackageSources+=$(grep -oh '"darc-int-[^"]*"' $ConfigFile | tr -d '"')
 IFS=$PrevIFS
 
-PackageSources+=('dotnet3-internal')
-PackageSources+=('dotnet3-internal-transport')
-
 for FeedName in ${PackageSources[@]} ; do
     # Check if there is no existing credential for this FeedName
     grep -i "<$FeedName>" $ConfigFile 
@@ -112,6 +144,6 @@ for FeedName in ${PackageSources[@]} ; do
         PackageSourceCredentialsNodeFooter="</packageSourceCredentials>"
         NewCredential="${TB}${TB}<$FeedName>${NL}<add key=\"Username\" value=\"dn-bot\" />${NL}<add key=\"ClearTextPassword\" value=\"$CredToken\" />${NL}</$FeedName>"
 
-        sed -i.bak "s|$PackageSourceCredentialsNodeFooter|$NewCredential${NL}$PackageSourceCredentialsNodeFooter|" NuGet.config
+        sed -i.bak "s|$PackageSourceCredentialsNodeFooter|$NewCredential${NL}$PackageSourceCredentialsNodeFooter|" $ConfigFile
     fi
-done
+done
\ No newline at end of file
diff --git a/eng/common/darc-init.ps1 b/eng/common/darc-init.ps1
index 46d175fdfd..b94c2f4e41 100644
--- a/eng/common/darc-init.ps1
+++ b/eng/common/darc-init.ps1
@@ -27,7 +27,7 @@ function InstallDarcCli ($darcVersion) {
 
   Write-Host "Installing Darc CLI version $darcVersion..."
   Write-Host "You may need to restart your command window if this is the first dotnet tool you have installed."
-  & "$dotnet" tool install $darcCliPackageName --version $darcVersion --add-source "$arcadeServicesSource" -v $verbosity -g
+  & "$dotnet" tool install $darcCliPackageName --version $darcVersion --add-source "$arcadeServicesSource" -v $verbosity -g --framework netcoreapp2.1
 }
 
 InstallDarcCli $darcVersion
diff --git a/eng/common/dotnet-install.ps1 b/eng/common/dotnet-install.ps1
index 0b629b8301..ec3e739fe8 100644
--- a/eng/common/dotnet-install.ps1
+++ b/eng/common/dotnet-install.ps1
@@ -3,7 +3,9 @@ Param(
   [string] $verbosity = "minimal",
   [string] $architecture = "",
   [string] $version = "Latest",
-  [string] $runtime = "dotnet"
+  [string] $runtime = "dotnet",
+  [string] $RuntimeSourceFeed = "",
+  [string] $RuntimeSourceFeedKey = ""
 )
 
 . $PSScriptRoot\tools.ps1
@@ -15,7 +17,7 @@ try {
     if ($architecture -and $architecture.Trim() -eq "x86") {
         $installdir = Join-Path $installdir "x86"
     }
-   InstallDotNet $installdir $version $architecture $runtime $true
+   InstallDotNet $installdir $version $architecture $runtime $true -RuntimeSourceFeed $RuntimeSourceFeed -RuntimeSourceFeedKey $RuntimeSourceFeedKey
 } 
 catch {
   Write-Host $_
diff --git a/eng/common/dotnet-install.sh b/eng/common/dotnet-install.sh
index c3072c958a..d259a274c7 100755
--- a/eng/common/dotnet-install.sh
+++ b/eng/common/dotnet-install.sh
@@ -14,6 +14,8 @@ scriptroot="$( cd -P "$( dirname "$source" )" && pwd )"
 version='Latest'
 architecture=''
 runtime='dotnet'
+runtimeSourceFeed=''
+runtimeSourceFeedKey=''
 while [[ $# > 0 ]]; do
   opt="$(echo "$1" | awk '{print tolower($0)}')"
   case "$opt" in
@@ -29,9 +31,16 @@ while [[ $# > 0 ]]; do
       shift
       runtime="$1"
       ;;
+    -runtimesourcefeed)
+      shift
+      runtimeSourceFeed="$1"
+      ;;
+    -runtimesourcefeedkey)
+      shift
+      runtimeSourceFeedKey="$1"
+      ;;
     *)
       echo "Invalid argument: $1"
-      usage
       exit 1
       ;;
   esac
@@ -40,7 +49,7 @@ done
 
 . "$scriptroot/tools.sh"
 dotnetRoot="$repo_root/.dotnet"
-InstallDotNet $dotnetRoot $version "$architecture" $runtime true || {
+InstallDotNet $dotnetRoot $version "$architecture" $runtime true $runtimeSourceFeed $runtimeSourceFeedKey || {
   local exit_code=$?
   echo "dotnet-install.sh failed (exit code '$exit_code')." >&2
   ExitWithExitCode $exit_code
diff --git a/eng/common/templates/post-build/channels/generic-internal-channel.yml b/eng/common/templates/post-build/channels/generic-internal-channel.yml
index 68fdec0290..ad9375f5e5 100644
--- a/eng/common/templates/post-build/channels/generic-internal-channel.yml
+++ b/eng/common/templates/post-build/channels/generic-internal-channel.yml
@@ -26,6 +26,10 @@ stages:
     pool:
       vmImage: 'windows-2019'
     steps:
+      # This is necessary whenever we want to publish/restore to an AzDO private feed
+      - task: NuGetAuthenticate@0
+        displayName: 'Authenticate to AzDO Feeds'
+
       - task: DownloadBuildArtifacts@0
         displayName: Download Blob Artifacts
         inputs:
diff --git a/eng/common/templates/post-build/post-build.yml b/eng/common/templates/post-build/post-build.yml
index 9921743bcd..3c69186f03 100644
--- a/eng/common/templates/post-build/post-build.yml
+++ b/eng/common/templates/post-build/post-build.yml
@@ -49,6 +49,12 @@ stages:
       pool:
         vmImage: 'windows-2019'
       steps:
+        # This is necessary whenever we want to publish/restore to an AzDO private feed
+        # Since sdk-task.ps1 tries to restore packages we need to do this authentication here
+        # otherwise it'll complain about accessing a private feed.
+        - task: NuGetAuthenticate@0
+          displayName: 'Authenticate to AzDO Feeds'
+
         - task: DownloadBuildArtifacts@0
           displayName: Download Package Artifacts
           inputs:
@@ -335,4 +341,28 @@ stages:
     channelId: 557
     transportFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v3/index.json'
     shippingFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v3/index.json'
+    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-symbols/nuget/v3/index.json'
+
+- template: \eng\common\templates\post-build\channels\generic-public-channel.yml
+  parameters:
+    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+    stageName: 'NETCore_SDK_313xx_Publishing'
+    channelName: '.NET Core SDK 3.1.3xx'
+    channelId: 759
+    transportFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-transport/nuget/v3/index.json'
+    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1/nuget/v3/index.json'
+    symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet3.1-symbols/nuget/v3/index.json'
+
+- template: \eng\common\templates\post-build\channels\generic-internal-channel.yml
+  parameters:
+    artifactsPublishingAdditionalParameters: ${{ parameters.artifactsPublishingAdditionalParameters }}
+    publishInstallersAndChecksums: ${{ parameters.publishInstallersAndChecksums }}
+    symbolPublishingAdditionalParameters: ${{ parameters.symbolPublishingAdditionalParameters }}
+    stageName: 'NETCore_SDK_313xx_Internal_Publishing'
+    channelName: '.NET Core SDK 3.1.3xx Internal'
+    channelId: 760
+    transportFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-transport/nuget/v3/index.json'
+    shippingFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal/nuget/v3/index.json'
     symbolsFeed: 'https://pkgs.dev.azure.com/dnceng/_packaging/dotnet3.1-internal-symbols/nuget/v3/index.json'
\ No newline at end of file
diff --git a/eng/common/tools.ps1 b/eng/common/tools.ps1
index 91efea9405..92a053bd16 100644
--- a/eng/common/tools.ps1
+++ b/eng/common/tools.ps1
@@ -184,7 +184,14 @@ function InstallDotNetSdk([string] $dotnetRoot, [string] $version, [string] $arc
   InstallDotNet $dotnetRoot $version $architecture
 }
 
-function InstallDotNet([string] $dotnetRoot, [string] $version, [string] $architecture = "", [string] $runtime = "", [bool] $skipNonVersionedFiles = $false) {
+function InstallDotNet([string] $dotnetRoot, 
+  [string] $version, 
+  [string] $architecture = "", 
+  [string] $runtime = "", 
+  [bool] $skipNonVersionedFiles = $false, 
+  [string] $runtimeSourceFeed = "", 
+  [string] $runtimeSourceFeedKey = "") {
+
   $installScript = GetDotNetInstallScript $dotnetRoot
   $installParameters = @{
     Version = $version
@@ -195,10 +202,32 @@ function InstallDotNet([string] $dotnetRoot, [string] $version, [string] $archit
   if ($runtime) { $installParameters.Runtime = $runtime }
   if ($skipNonVersionedFiles) { $installParameters.SkipNonVersionedFiles = $skipNonVersionedFiles }
 
-  & $installScript @installParameters
-  if ($lastExitCode -ne 0) {
-    Write-PipelineTelemetryError -Category "InitializeToolset" -Message "Failed to install dotnet cli (exit code '$lastExitCode')."
-    ExitWithExitCode $lastExitCode
+  try {
+    & $installScript @installParameters
+  }
+  catch {
+    Write-PipelineTelemetryError -Category "InitializeToolset" -Message "Failed to install dotnet runtime '$runtime' from public location."
+
+    # Only the runtime can be installed from a custom [private] location.
+    if ($runtime -and ($runtimeSourceFeed -or $runtimeSourceFeedKey)) {
+      if ($runtimeSourceFeed) { $installParameters.AzureFeed = $runtimeSourceFeed }
+
+      if ($runtimeSourceFeedKey) {
+        $decodedBytes = [System.Convert]::FromBase64String($runtimeSourceFeedKey)
+        $decodedString = [System.Text.Encoding]::UTF8.GetString($decodedBytes)
+        $installParameters.FeedCredential = $decodedString
+      }
+
+      try {
+        & $installScript @installParameters
+      }
+      catch {
+        Write-PipelineTelemetryError -Category "InitializeToolset" -Message "Failed to install dotnet runtime '$runtime' from custom location '$runtimeSourceFeed'."
+        ExitWithExitCode 1
+      }
+    } else {
+      ExitWithExitCode 1
+    }
   }
 }
 
diff --git a/eng/common/tools.sh b/eng/common/tools.sh
index 757d5b9ea4..94965a8fd2 100755
--- a/eng/common/tools.sh
+++ b/eng/common/tools.sh
@@ -200,8 +200,30 @@ function InstallDotNet {
   fi
   bash "$install_script" --version $version --install-dir "$root" $archArg $runtimeArg $skipNonVersionedFilesArg || {
     local exit_code=$?
-    Write-PipelineTelemetryError -category 'InitializeToolset' "Failed to install dotnet SDK (exit code '$exit_code')."
-    ExitWithExitCode $exit_code
+    Write-PipelineTelemetryError -category 'InitializeToolset' "Failed to install dotnet SDK from public location (exit code '$exit_code')."
+
+    if [[ -n "$runtimeArg" ]]; then
+      local runtimeSourceFeed=''
+      if [[ -n "${6:-}" ]]; then
+        runtimeSourceFeed="--azure-feed $6"
+      fi
+
+      local runtimeSourceFeedKey=''
+      if [[ -n "${7:-}" ]]; then
+        decodedFeedKey=`echo $7 | base64 --decode`
+        runtimeSourceFeedKey="--feed-credential $decodedFeedKey"
+      fi
+
+      if [[ -n "$runtimeSourceFeed" || -n "$runtimeSourceFeedKey" ]]; then
+        bash "$install_script" --version $version --install-dir "$root" $archArg $runtimeArg $skipNonVersionedFilesArg $runtimeSourceFeed $runtimeSourceFeedKey || {
+          local exit_code=$?
+          Write-PipelineTelemetryError -category 'InitializeToolset' "Failed to install dotnet SDK from custom location '$runtimeSourceFeed' (exit code '$exit_code')."
+          ExitWithExitCode $exit_code
+        }
+      else
+        ExitWithExitCode $exit_code
+      fi
+    fi
   }
 }