[Bug 664534] Re: feature request: do-release-upgrade --download-only
Andrew McMillan
awm at debian.org
Tue Nov 1 01:01:31 UTC 2011
Would a patch help? Is this a difficult thing to code?
Bandwidth is always a challenge in our house, both for the CPU in this
bear of very little brain, and for the piece of magic string that
connects us to the rest of the world.
Being able to separate the timing of download vs. upgrade would make
managing those two conflicting requirements much nicer.
Thanks,
Andrew McMillan.
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https://bugs.launchpad.net/bugs/664534
Title:
feature request: do-release-upgrade --download-only
Status in “update-manager” package in Ubuntu:
Triaged
Bug description:
Binary package hint: update-manager
I would like to see a --download-only switch for do-release-upgrade,
so that the network-dependent part of an over-the-net upgrade can be
separated as much as possible from the local unpacking, configuration,
and installation of the upgrade.
This would be similar to the -d switch available for aptitude
(although, certainly, -d is already used for --devel in do-release-
upgrade, so if there is to be a short version, it would have to be
something different, perhaps -D)
A general use-case for this is fetching the bulk of the upgrade
packages while on a cheaper or higher-capacity connection, and then
completing the upgrade on a lower-capacity or more expensive
connection.
For instance, I often go to conferences in the fall around release
time, and have more than once thought it'd be fun to try to upgrade an
altroot install during downtimes at the conference, or on the way
there. But, inevitably, the conference network connections are
overloaded, and I don't want to compound the problem by pulling down a
full release upgrade.
Also, a bulk network download doesn't call for nearly the same amount
of attention as does the configuration and installation process.
Being able to fire-and-forget the download portion conserves attention
and patience for dealing with the vagaries of whatever other upgrade
challenges there might be.
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