Re: Proposal: A new approach to differential debs

2017-08-13 Thread Julian Andres Klode
On Sun, Aug 13, 2017 at 08:24:27PM -0400, Peter Silva wrote: > o in spite of being the *default*, it isn't that universal, and in > any event, we can just decide to change the default, no? One can say > to people with bandwidth limitations, that their apt settings should > not delete packages after

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Peter Silva
o in spite of being the *default*, it isn't that universal, and in any event, we can just decide to change the default, no? One can say to people with bandwidth limitations, that their apt settings should not delete packages after receipt, so that they can be used as the basis for updates. And the

Re: Upstream Tarball Signature Files

2017-08-13 Thread Russ Allbery
Paul Hardy writes: > If it is permissible to rename a ".sig" file as ".asc", I think that is > the best solution because it copies the original signature file > unmodified. I tried it previously and it worked, but it seemed to me > like masquerading (because a binary file obviously is not an > A

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Marvin Renich
* Christian Seiler [170813 18:59]: > (Setting reply-to to debian-devel@ only as I don't think this > should continue on debian-dpkg@ and deity@) > > On 08/14/2017 12:29 AM, Marvin Renich wrote: > > * Christian Seiler [170813 13:19]: > >> On 08/13/2017 07:11 PM, Peter Silva wrote: > apt by d

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Christian Seiler
(Setting reply-to to debian-devel@ only as I don't think this should continue on debian-dpkg@ and deity@) On 08/14/2017 12:29 AM, Marvin Renich wrote: > * Christian Seiler [170813 13:19]: >> On 08/13/2017 07:11 PM, Peter Silva wrote: apt by default automatically deletes packages files after

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Marvin Renich
* Christian Seiler [170813 13:19]: > On 08/13/2017 07:11 PM, Peter Silva wrote: > >> apt by default automatically deletes packages files after a successful > >> install, > > > > I don't think it does that. > > The "apt" command line tool doesn't, but traditional "apt-get" does, as > does "aptit

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Christian Seiler
On 08/13/2017 07:11 PM, Peter Silva wrote: >> apt by default automatically deletes packages files after a successful >> install, > > I don't think it does that. The "apt" command line tool doesn't, but traditional "apt-get" does, as does "aptitude". This was documented in the release notes of Je

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Peter Silva
> apt by default automatically deletes packages files after a successful > install, I don't think it does that. It seems keep them around after install, and even multiple versions. I don't know the algorithm for the cache, but it doesn't do what you say. On my debian box, I have nothing but a

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Julian Andres Klode
On Sun, Aug 13, 2017 at 10:53:16AM -0400, Peter Silva wrote: > You are assuming the savings are substantial. That's not clear. When > files are compressed, if you then start doing binary diffs, well it > isn't clear that they will consistently be much smaller than plain new > files. it also isn'

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Peter Silva
You are assuming the savings are substantial. That's not clear. When files are compressed, if you then start doing binary diffs, well it isn't clear that they will consistently be much smaller than plain new files. it also isn't clear what the impact on repo disk usage would be. The most straig

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Paul Wise
On Sun, Aug 13, 2017 at 5:38 AM, Adrian Bunk wrote: > It sounds like something that would have been a cool feature 20 years > ago when I was downloading Debian updates over an analog modem. > > Today the required effort, infrastructure and added complexity would > IMHO not be worth it for a potent

Re: Proposal: A new approach to differential debs

2017-08-13 Thread Adrian Bunk
On Sat, Aug 12, 2017 at 02:16:21PM -0400, Julian Andres Klode wrote: >... > I think delta debs are generally a thing we should aim to have, >... It sounds like something that would have been a cool feature 20 years ago when I was downloading Debian updates over an analog modem. Today the required