1 files changed, 25 insertions, 0 deletions
diff --git a/third_party/git/t/t1009-read-tree-new-index.sh b/third_party/git/t/t1009-read-tree-new-index.sh
new file mode 100755
index 000000000000..59b3aa4bc402
--- /dev/null
+++ b/third_party/git/t/t1009-read-tree-new-index.sh
@@ -0,0 +1,25 @@
+#!/bin/sh
+
+test_description='test read-tree into a fresh index file'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+	echo one >a &&
+	git add a &&
+	git commit -m initial
+'
+
+test_expect_success 'non-existent index file' '
+	rm -f new-index &&
+	GIT_INDEX_FILE=new-index git read-tree master
+'
+
+test_expect_success 'empty index file' '
+	rm -f new-index &&
+	> new-index &&
+	GIT_INDEX_FILE=new-index git read-tree master
+'
+
+test_done
+