Bug#707672: general: binary diffs of large packages
Andrei POPESCU wrote:
> On Vi, 10 mai 13, 13:50:39, David Prévot wrote:
>> debdelta is not really new, not sure the release-notes is the best place
>> to advertise it, maybe debian-reference would be better suited if not
>> already documented there.
>
> Upgrading to a new stable release probably results in downloading an
> order of magnitude more packages than all point releases combined. A
> hint towards debdelta seems natural, maybe in the "sufficient-space"
> section.
Debdelta may be handy for Testing/Unstable users doing daily upgrades,
but I don't see how it's going to be any help for Stable users doing
biennial dist-upgrades.
Calculating deltas requires stored copies of the previous .debs to
diff against. The http://debdelta.debian.net service keeps a set of
snapshots, but not 27 months worth: "Summarizing, an end user has a
window (of 10 to 50 days) of opportunity to upgrade using
debdelta-upgrade".
And what do I do with a downloaded delta if I don't have a local copy
of the old .deb to "patch" into the new version?
--
JBR with qualifications in linguistics, experience as a Debian
sysadmin, and probably no clue about this particular package
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