1 files changed, 15 insertions, 0 deletions
diff --git a/t/helper/test-index-version.c b/t/helper/test-index-version.c
new file mode 100644
index 0000000..fcd1096
--- /dev/null
+++ b/t/helper/test-index-version.c
@@ -0,0 +1,15 @@
+#include "test-tool.h"
+#include "cache.h"
+
+int cmd__index_version(int argc, const char **argv)
+{
+	struct cache_header hdr;
+	int version;
+
+	memset(&hdr,0,sizeof(hdr));
+	if (read(0, &hdr, sizeof(hdr)) != sizeof(hdr))
+		return 0;
+	version = ntohl(hdr.hdr_version);
+	printf("%d\n", version);
+	return 0;
+}