diff --git a/.gitattributes b/.gitattributes
index 400b529f0..93b5c8649 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,3 +1,4 @@
+/.gitcommit export-subst
 * text=auto
 
 *.c text
diff --git a/.gitcommit b/.gitcommit
new file mode 100644
index 000000000..46b7856fb
--- /dev/null
+++ b/.gitcommit
@@ -0,0 +1 @@
+$Format:%h$