Simon Quigley 694b57d395 [pkgselectprocess] Ensure we have the correct apt sources when doing no network (LP: #2107287).
When doing installations without network, we need to ensure that we don't try
to perform apt operations that require internet. To do this in Plucky, we need
to temporarily copy the ubuntu.sources file to an ubuntu.sources.bak file. To
bring all of the previous commits in this upload together, we use the
bind-mounted /media/cdrom not only to install the correct GRUB packages, but
to ensure that we can still install them and any other packages on ship-live.

There has to be a better, more native way to do this. It works for now, but in
the Questing cycle, we're probably going to move some of these command-line
apt calls to be a consumer of the libapt C library (LP: #2107287).
2025-04-15 22:35:18 -05:00
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