From 9fea0dd08ff091b171203d4208fea6de9e542ce2 Mon Sep 17 00:00:00 2001
From: Jared Parsons <jaredpar@microsoft.com>
Date: Tue, 11 Apr 2017 10:39:09 -0700
Subject: [PATCH] Redirect TEMP in Jenkins runs

This was meant to be done as part of my rework of netci.groovy but it looks like I missed
it.

https://github.com/dotnet/roslyn/commit/8a078fac5c497b61f00505d3fe4cf0d92137bef3
---
 build/scripts/cibuild.ps1 | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/build/scripts/cibuild.ps1 b/build/scripts/cibuild.ps1
index d4f441d3641..fdbb34c7b24 100644
--- a/build/scripts/cibuild.ps1
+++ b/build/scripts/cibuild.ps1
@@ -46,6 +46,17 @@ function Terminate-BuildProcesses() {
     Get-Process vbcscompiler -ErrorAction SilentlyContinue | kill
 }
 
+# The Jenkins images used to execute our tests can live for a very long time.  Over the course
+# of hundreds of runs this can cause the %TEMP% folder to fill up.  To avoid this we redirect
+# %TEMP% into the binaries folder which is deleted at the end of every run as a part of cleaning
+# up the workspace.
+function Redirect-Temp() {
+    $temp = Join-Path $binariesDir "Temp"
+    Create-Directory $temp
+    ${env:TEMP} = $temp
+    ${env:TMP} = $temp
+}
+
 try {
     . (Join-Path $PSScriptRoot "build-utils.ps1")
     Push-Location $repoDir
@@ -73,6 +84,7 @@ try {
 
     # Ensure the binaries directory exists because msbuild can fail when part of the path to LogFile isn't present.
     Create-Directory $binariesDir
+    Redirect-Temp
 
     if ($testBuildCorrectness) {
         Exec { & ".\build\scripts\test-build-correctness.ps1" $repoDir $configDir }
-- 
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