Editing the sources in "debian/rules clean"
It has come to my attention that a number of packages edit source files
(i.e. non-generated files in the source directory tree) in the "clean"
target of debian/rules.
Policy is mostly silent on this issue. There's a requirement that
"build, clean" is a no-op, but dpkg-buildpackage actually executes
"clean, build" or just "clean". Nevertheless, I think this is an RC
(It is surprisingly difficult to release minimal security updates for
packages with this behavior. This is my main concern.)