From 4bd60c313bac585ca012d9729fac8e65da4b2c67 Mon Sep 17 00:00:00 2001
From: Matt Clay <matt@mystile.com>
Date: Wed, 19 Dec 2018 09:53:15 -0800
Subject: [PATCH] Add retries for Invoke-ScriptAnalyzer in pslint.

Hopefully this will work around the intermittent CI failures due
to NullReferenceException, which then succeed on a retry.
---
 test/sanity/pslint/pslint.ps1 | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/test/sanity/pslint/pslint.ps1 b/test/sanity/pslint/pslint.ps1
index 8f7beab2941..ac8e65771e2 100755
--- a/test/sanity/pslint/pslint.ps1
+++ b/test/sanity/pslint/pslint.ps1
@@ -4,11 +4,25 @@
 
 Set-StrictMode -Version 2.0
 $ErrorActionPreference = "Stop"
+$WarningPreference = "Stop"
 
 $Results = @()
 
 ForEach ($Path in $Args) {
-    $Results += Invoke-ScriptAnalyzer -Path $Path -Setting $PSScriptRoot/settings.psd1
+    $Retries = 3
+
+    Do {
+        Try {
+            $Results += Invoke-ScriptAnalyzer -Path $Path -Setting $PSScriptRoot/settings.psd1 3> $null
+            $Retries = 0
+        }
+        Catch {
+            If (--$Retries -le 0) {
+                Throw
+            }
+        }
+    }
+    Until ($Retries -le 0)
 }
 
 ConvertTo-Json -InputObject $Results