diff --git a/.gitattributes b/.gitattributes
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--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,12 @@
+# Path-based git attributes
+# https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html
+
+# Ignore all tests and documentation with "export-ignore".
+/docs          export-ignore
+/.idea         export-ignore
+/tests         export-ignore
+/README.md     export-ignore
+/SECURITY.md   export-ignore
+/pint.json     export-ignore
+/.gitignore    export-ignore
+/.gitattributes export-ignore