gitattributes

.gitattributes

@@ -2,3 +2,13 @@
 # Set default behaviour, in case users don't have core.autocrlf set.
 * text=auto
 * text eol=lf
+
+# Denote all files that are truly binary and should not be modified.
+*.png binary
+*.jpg binary
+*.gif binary
+*.ico binary
+*.mo binary
+*.pdf binary
+*.dll binary
+*.exe binary