Actually, no, it doesn't - base-installer is acquired by the installer at run-time.
For hardy and intrepid, pass apt-setup/proposed=true to the installer on the kernel command line. For dapper it's more effort. I suspect the easiest way is to make sure that you aren't preseeding the locale, and then when the locale prompt appears, switch to Alt-F2 and edit line 113 of /usr/lib/debian- installer/retriever/net-retriever to add "$codename-proposed" after "$codename-security", so that the line looks like this: for codename_extra in "$codename" "$codename-updates" "$codename-security" "$codename-proposed"; do -- apt-setup/security_host is ignored https://bugs.launchpad.net/bugs/306356 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs