diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 000000000..dc0e12c70
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,5 @@
+# Enforce Unix newlines
+* text=auto eol=lf
+
+# Don't diff or textually merge source maps
+*.map binary