Imported Upstream version 6.12.0.98

Former-commit-id: 066e1c5ebb0cc420bd293e60a01325420779fdd1

external/llvm-project/eng/common/dotnet-install.ps1

@@ -0,0 +1,28 @@
+[CmdletBinding(PositionalBinding=$false)]
+Param(
+  [string] $verbosity = 'minimal',
+  [string] $architecture = '',
+  [string] $version = 'Latest',
+  [string] $runtime = 'dotnet',
+  [string] $RuntimeSourceFeed = '',
+  [string] $RuntimeSourceFeedKey = ''
+)
+
+. $PSScriptRoot\tools.ps1
+
+$dotnetRoot = Join-Path $RepoRoot '.dotnet'
+
+$installdir = $dotnetRoot
+try {
+    if ($architecture -and $architecture.Trim() -eq 'x86') {
+        $installdir = Join-Path $installdir 'x86'
+    }
+    InstallDotNet $installdir $version $architecture $runtime $true -RuntimeSourceFeed $RuntimeSourceFeed -RuntimeSourceFeedKey $RuntimeSourceFeedKey
+}
+catch {
+  Write-Host $_.ScriptStackTrace
+  Write-PipelineTelemetryError -Category 'InitializeToolset' -Message $_
+  ExitWithExitCode 1
+}
+
+ExitWithExitCode 0