diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000..d901840e
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+version.txt export-subst
\ No newline at end of file
diff --git a/version.txt b/version.txt
new file mode 100644
index 00000000..313ee7cd
--- /dev/null
+++ b/version.txt
@@ -0,0 +1 @@
+$Format:%H$
\ No newline at end of file