diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..4e79598
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,9 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all test and documentation with "export-ignore".
+/.gitattributes     export-ignore
+/.gitignore         export-ignore
+/.travis.yml        export-ignore
+/phpunit.xml.dist   export-ignore
+/tests              export-ignore