gnomefreak@FeistyFawn:~/finaltb$ apt-get source mozilla-thunderbird; cd  mozilla-thunderbird-*/; fakeroot ./debian/rules patch
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Need to get 36.1MB of source archives.
Get:1 http://archive.ubuntu.com feisty/main mozilla-thunderbird 1.5.0.9-0ubuntu1 (dsc) [950B]
Get:2 http://archive.ubuntu.com feisty/main mozilla-thunderbird 1.5.0.9-0ubuntu1 (tar) [35.6MB]
Get:3 http://archive.ubuntu.com feisty/main mozilla-thunderbird 1.5.0.9-0ubuntu1 (diff) [455kB]
Fetched 36.1MB in 28m26s (21.1kB/s)                                            
gpg: Signature made Tue 02 Jan 2007 05:16:02 PM EST using DSA key ID 17063E6D
gpg: Can't check signature: public key not found
dpkg-source: extracting mozilla-thunderbird in mozilla-thunderbird-1.5.0.9
dpkg-source: unpacking mozilla-thunderbird_1.5.0.9.orig.tar.gz
dpkg-source: applying ./mozilla-thunderbird_1.5.0.9-0ubuntu1.diff.gz
test -d debian/patched || install -d debian/patched
dpatch  apply-all  
applying patch 10_debian-thunderbird to ./ ...patch: **** Can't change to directory build-dir/mozilla : No such file or directory
 failed.
make: *** [patch-stamp] Error 1
gnomefreak@FeistyFawn:~/finaltb/mozilla-thunderbird-1.5.0.9$