diff --git a/compiler/datasheet/ORIG_HEAD b/compiler/datasheet/ORIG_HEAD
new file mode 100644
index 00000000..1491f732
--- /dev/null
+++ b/compiler/datasheet/ORIG_HEAD
@@ -0,0 +1 @@
+2c12ef2161d3f404c56bc0c191d279db21073414