diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..bfeca7e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+/.gitcommit export-subst
diff --git a/.gitcommit b/.gitcommit
new file mode 100644
index 0000000..a1af49a
--- /dev/null
+++ b/.gitcommit
@@ -0,0 +1 @@
+$Format:%h$