Você pode dar uma chance ao aptitude. Exemplo:
root@printserver:/root# aptitude search --display-format '%p_%V_%m ' --disable-columns "tcsh"
tcsh_6.17.02-4_Thomas Lange <[email protected]>
Onde:
%p = Package Name
%V = Version
%m = Maintainer
Exemplos com o --target-release option
root@printserver:~# aptitude search --display-format '%p_%V_%m ' --disable-columns "linux-image-amd64" --target-release squeeze
linux-image-amd64_2.6.32+29_Debian Kernel Team <[email protected]>
root@printserver:~# aptitude search --display-format '%p_%V_%m ' --disable-columns "linux-image-amd64" --target-release squeeze-backports
linux-image-amd64_3.2+46~bpo60+1_Debian Kernel Team <[email protected]>