Launchpad itself

Missing Contents-*.gz in PPAs

Bug #769607 reported by Andrea Corbellini
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Launchpad itself
Triaged
Low
Unassigned

Bug Description

Launchpad PPAs do not contain Contents-*.gz files. Example:

  http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu/dists/natty/Contents-i386.gz

Such files are really useful with tools like apt-file.

Tags: feature ppa
Curtis Hovey (sinzui)
Changed in launchpad:
status: New → Triaged
importance: Undecided → Low
tags: added: feature ppa
Revision history for this message
Julian Edwards (julian-edwards) wrote :

It's generated once a day for Ubuntu using the generate-contents script, but takes a *long* time. It needs some thought for PPAs.

Revision history for this message
Andrea Corbellini (andrea.corbellini) wrote :

Maybe instead of regenerating the whole Contents-*.gz everyday, I'd be better to rewrite just the parts of the files that involve the packages modified (new/updated/removed). I don't have a deep knowledge of the argument (nor I have some real data to look at), but I think this should improve performances a lot.

Revision history for this message
Jjed (jjed) wrote :

@Julian: Is there a reason the script doesn't use the apt-ftparchive cache -db option? After the initial archive crawl that speeds things up enormously.

Revision history for this message
Robert Collins (lifeless) wrote :

@Jacob Yes, we don't use apt-ftparchive at all :). There is a schema patch coming along to let us generate them.

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