1 files changed, 67 insertions, 0 deletions
diff --git a/t/t0004-unwritable.sh b/t/t0004-unwritable.sh
new file mode 100755
index 000000000..9255c63c0
--- /dev/null
+++ b/t/t0004-unwritable.sh
@@ -0,0 +1,67 @@
+#!/bin/sh
+
+test_description='detect unwritable repository and fail correctly'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+
+	>file &&
+	git add file &&
+	git commit -m initial &&
+	echo >file &&
+	git add file
+
+'
+
+test_expect_success 'write-tree should notice unwritable repository' '
+
+	(
+		chmod a-w .git/objects
+		test_must_fail git write-tree
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'commit should notice unwritable repository' '
+
+	(
+		chmod a-w .git/objects
+		test_must_fail git commit -m second
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'update-index should notice unwritable repository' '
+
+	(
+		echo a >file &&
+		chmod a-w .git/objects
+		test_must_fail git update-index file
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_expect_success 'add should notice unwritable repository' '
+
+	(
+		echo b >file &&
+		chmod a-w .git/objects
+		test_must_fail git add file
+	)
+	status=$?
+	chmod 775 .git/objects
+	(exit $status)
+
+'
+
+test_done