From 21d9928c6c5a16fa63834323b5f8954369f60b65 Mon Sep 17 00:00:00 2001
From: Matthew Bauer <mjbauer95@gmail.com>
Date: Thu, 4 Jun 2020 14:45:59 -0500
Subject: [PATCH] Add test for submodules in git

---
 tests/git.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/git.sh b/tests/git.sh
index a09ee85d7e2..bdc98844a0d 100644
--- a/tests/git.sh
+++ b/tests/git.sh
@@ -61,6 +61,9 @@ if [[ -n $(type -p git) ]]; then
     # Fetch the default branch.
     path=$(nix eval --raw "(builtins.fetchTree { type = \"git\"; url = file://$repo; treeHash = \"$treeHash\"; }).outPath")
     [[ $(cat $path/hello) = world ]]
+
+    # Submodules cause error.
+    (! nix eval --raw "(builtins.fetchTree { type = \"git\"; url = file://$repo; treeHash = \"$treeHash\"; submodules = true; }).outPath")
 else
     echo "Git not installed; skipping Git tests"
 fi