https://bugzilla.redhat.com/show_bug.cgi?id=971103
--- Comment #17 from Peter Schiffer pschiffe@redhat.com --- (In reply to Ralf Corsepius from comment #16)
No. Debian imports all packages into their VCS, independently of a package's master format (They usually unpackage the tarball).
Not 100% true. I've checked man-db, zlib, stgit (randomly) and none of them is in their VCS. But you have the point, that they have imported many other packages no matter the master format is.
http://packages.debian.org/source/sid/man-db http://packages.debian.org/source/sid/zlib http://packages.debian.org/source/sid/stgit
Anyway, I would still rather use the Debian as an upstream..