From 31267e80071d689230b7718fa0410a03af99798e Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Mon, 28 Feb 2022 06:31:50 -0800
Subject: [PATCH] Fix extracting submodules on windows.

---
 src/ci/init_repo.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ci/init_repo.sh b/src/ci/init_repo.sh
index 217192af2fe69..93af8c26111c2 100755
--- a/src/ci/init_repo.sh
+++ b/src/ci/init_repo.sh
@@ -43,6 +43,11 @@ function fetch_github_commit_archive {
         curl -f -sSL -o $cached $2"
     mkdir $module
     touch "$module/.git"
+    # On Windows, the default behavior is to emulate symlinks by copying
+    # files. However, that ends up being order-dependent while extracting,
+    # which can cause a failure if the symlink comes first. This env var
+    # causes tar to use real symlinks instead, which are allowed to dangle.
+    export MSYS=winsymlinks:nativestrict
     tar -C $module --strip-components=1 -xf $cached
     rm $cached
 }