Bug#1123652: 1.0 with diff, dpkg-source -x no longer chmod +x debian/rules

Guillem Jover writes ("Re: Bug#1123652: 1.0 with diff, dpkg-source -x no longer chmod +x debian/rules"):
> For any other source format that can convey the permissions, I consider
> the above commits to still be good, because that implies something that
> should be fixed anyway in the source tree, and otherwise they get fixed
> and warned about during build.

I don't think this is correct.  What about exissting source pavkages
that don't specify executability of debian/rules in their diffs?

I haven't done a complete search of snapshot.d.o or anything but it
seems likely that there are a nonzero number of existing source
packages broken by this change.

Ian.