Imported Upstream version 5.2.0.175

Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900

external/linker/corebuild/dotnet.ps1

@@ -0,0 +1,27 @@
+# set the base tools directory
+$toolsLocalPath = Join-Path $PSScriptRoot "Tools"
+$bootStrapperPath = Join-Path $toolsLocalPath "bootstrap.ps1"
+
+# if the boot-strapper script doesn't exist copy it to the tools path
+if ((Test-Path $bootStrapperPath) -eq 0)
+{
+    if ((Test-Path $toolsLocalPath) -eq 0)
+    {
+        mkdir $toolsLocalPath | Out-Null
+    }
+
+    cp (Join-Path $PSScriptRoot "bootstrap.ps1") $bootStrapperPath
+}
+
+# now execute it
+& $bootStrapperPath $PSScriptRoot $toolsLocalPath | Out-File (Join-Path $PSScriptRoot "bootstrap.log")
+if ($LastExitCode -ne 0)
+{
+    Write-Output "Boot-strapping failed with exit code $LastExitCode, see bootstrap.log for more information."
+    exit $LastExitCode
+}
+
+# execute the tool using the dotnet.exe host
+$dotNetExe = Join-Path $toolsLocalPath "dotnetcli\dotnet.exe"
+& $dotNetExe $args
+exit $LastExitCode