[Reproducible-builds] Bug#775020: debhelper: please ensure a stable output of dh_usrlocal

[Jérémy Bobbio]

Package: debhelper
Version: 9.20150101
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: toolchain fileordering

Hi!

While working on the “reproducible builds” effort [1], we have noticed
that some packages could not be built reproducibly because the
maintainer scripts generated by dh_usrlocal would vary depending on
filesystem ordering.

The attached patch sort the directory lists to provide a stable output.

 [1]: https://wiki.debian.org/ReproducibleBuilds

-- 
Lunar                                .''`. 
lunar at debian.org                    : :Ⓐ  :  # apt-get install anarchism
                                    `. `'` 
                                      `-   
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