server:/usr/local/src/drbd-0.7.24# apt-cache showsrc drbd0.7-module-source
Package: drbd0.7
Binary: drbd0.7-utils, drbd0.7-module-source
Version: 0.7.23-1
Priority: extra
Section: admin
Maintainer: Cyril Bouthors <cyril@bouthors.org>
Build-Depends: debhelper (>= 4), debconf-utils, sp, docbook-utils, bison, flex, dpatch
Architecture: any
Standards-Version: 3.7.2
Format: 1.0
Directory: pool/main/d/drbd0.7
Files:
 24f9537849ebb936a612277936ff5c74 725 drbd0.7_0.7.23-1.dsc
 3600d689e4e9bb45108c0c185a1e85c5 296960 drbd0.7_0.7.23.orig.tar.gz
 4e3057760f0d53b1914b3e4af029e1bd 11864 drbd0.7_0.7.23-1.diff.gz
Uploaders: David Krovich <dkrovich@csee.wvu.edu>, Philipp Hug <debian@hug.cx>

server:/usr/local/src/drbd-0.7.24# cat /etc/apt/sources.list

# Pinned this stuff in /etc/apt/preferences
deb http://www.backports.org/debian/ sarge-backports main

deb file:/home/mirror/pub/debian sarge main non-free contrib
deb file:/home/mirror/pub/debian-non-US sarge/non-US main non-free contrib
deb file:/home/mirror/pub/debian-security sarge/updates main non-free contrib

deb http://volatile.debian.net/debian-volatile sarge/volatile main contrib non-free

# For building the DRBD 0.7.23 stuff
deb-src ftp://ftp.us.debian.org/debian sid main contrib non-free
server:/usr/local/src/drbd-0.7.24#

server:/usr/local/src/drbd-0.7.24# apt-get build-dep drbd0.7-module-source
Reading Package Lists... Done
Building Dependency Tree... Done
E: Unable to find a source package for drbd