because the working tree files can differ from
the git revision history
(and therefore from the source packages).
+
+So dgit clone
+and dgit setup-new-tree
+disable transforming gitattributes
+by default,
+by creating a .git/info/attributes.
.SH PACKAGE SOURCE FORMATS
If you are not the maintainer, you do not need to worry about the
source format of the package. You can just make changes as you like