FS#26650 - Incremental changeset update

Attached to Project: Pacman
Opened by Sandro Valentim (sandrossv) - Thursday, 27 October 2011, 18:33 GMT
Last edited by Dan McGee (toofishes) - Thursday, 27 October 2011, 19:21 GMT
Task Type Feature Request
Category General
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version 3.5.4
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Hello guys, sometime ago I used Foresight Linux, and his package manager has a cool feature, it only update the needed files.

I think it would be nice to have this feature in pacman.
This task depends upon

Closed by  Dan McGee (toofishes)
Thursday, 27 October 2011, 19:21 GMT
Reason for closing:  Won't implement
Additional comments about closing:  Deltas are our method of reducing bandwidth/download size. It is up to the distro to implement and use them.
Comment by Dan McGee (toofishes) - Thursday, 27 October 2011, 18:40 GMT
I don't even know what this means. Can you link to some documentation or an explanation? Do you mean binary delta diffs between package versions?
Comment by Sandro Valentim (sandrossv) - Thursday, 27 October 2011, 18:45 GMT
"When a user updates installed packages, Conary only retrieves files that have changed since the last update on the package. For example, if the component foo:runtime has five files, and only one of those files has changed between two versions, then only that one file will be updated when updating between the two versions."

http://wiki.rpath.com/wiki/Conary:Concepts
Comment by Dan McGee (toofishes) - Thursday, 27 October 2011, 19:03 GMT
This is a cool feature. But is it necessary? Hardly. Unless we want to jack up the house that is pacman and replace the entire foundation, this isn't happening- the way Conary works has a totally different basis than the way pacman and its packages are structured.

Please post reasoning other than it being or sounding "cool".
Comment by Sandro Valentim (sandrossv) - Thursday, 27 October 2011, 19:18 GMT
Smaller downloads? lower bandwidth consumption? faster updates?
Comment by Dan McGee (toofishes) - Thursday, 27 October 2011, 19:21 GMT
Package deltas can solve all this without needing a full re-architecture of the the entire package manager. However, this is an Arch issue in generating and utilizing them, not a pacman issue.

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