Package files:
100 /var/lib/dpkg/status
release a=now
500 http://deb.opera.com/opera/ stable/non-free i386 Packages
release o=Opera Software ASA,a=stable,n=stable,l=The Opera web browser,c=non-free
origin deb.opera.com
500 http://toolbelt.heroku.com/ubuntu/ ./ Packages
release o=Heroku, Inc.,a=stable,c=
origin toolbelt.heroku.com
500 http://dl.google.com/linux/chrome/deb/ stable/main i386 Packages
release v=1.0,o=Google, Inc.,a=stable,n=stable,l=Google,c=main
origin dl.google.com
500 http://downloads.hipchat.com/linux/apt/ stable/main i386 Packages