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From b2c4b2427d8c1a2410c4210789caccf1ec87e64a Mon Sep 17 00:00:00 2001
From: Omair Majid <omajid@redhat.com>
Date: Thu, 9 Sep 2021 13:21:51 -0400
Subject: [PATCH] [ArPow] Use --work-tree with git apply

This makes things work better in a source-tarball build, where there may
be a .git directory somewhere in our parent directories but it's for a
different repo than vstest. In a situation like that a plain `git apply`
will (silently!) ignore patches because they wont apply to the unrelated
repository. That will (eventually) make the source-build fail.
`--work-tree` makes git directly use the directory that we care about.

See https://github.com/dotnet/source-build/issues/2445 for more details.
---
 eng/SourceBuild.props | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/eng/SourceBuild.props b/eng/SourceBuild.props
index b365645c..68f82592 100644
--- a/eng/SourceBuild.props
+++ b/eng/SourceBuild.props
@@ -24,7 +24,7 @@
     </ItemGroup>
 
     <Exec
-      Command="git apply --ignore-whitespace --whitespace=nowarn &quot;%(SourceBuildPatchFile.FullPath)&quot;"
+      Command="git --work-tree=&quot;$(InnerSourceBuildRepoRoot)&quot; apply --ignore-whitespace --whitespace=nowarn &quot;%(SourceBuildPatchFile.FullPath)&quot;"
       WorkingDirectory="$(InnerSourceBuildRepoRoot)"
       Condition="'@(SourceBuildPatchFile)' != ''" />
   </Target>
-- 
2.31.1