[Aptitude-devel] Bug#446085: Bug#446085: Show "real" DL size
abe at debian.org
Mon Feb 29 19:06:58 GMT 2016
Manuel A. Fernandez Montecelo wrote:
> >When apt-get installing (and aptitude's line interface, I think), the
> >user can see both the total download size and the amount that is not
> >available locally (either in apt's cache or in a CDROM repository).
> >Using aptitude's GUI, I cannot find the latter datum. I would like it
> >to be visible in GUI mode, e.g. on the top line instead of "DL Size:
> >813MB" print "DL Size: 813MB (212MB)".
> This is implemented now, marking as +pending.
Yay, this always annoyed me when using debdelta-upgrade to download
packages where possible.
Thanks, looking forward to the next release! :-)
> In command line mode and apt-get, the check has to be done only once,
> but in the interactive mode the check has to be done for every package
> that changes state (to install, to remove, etc). So this has to happen
> multiple times, accessing the disk and checking which files are already
> downloaded. Additionally, for technical reasons of how aptitude's
> interface is implemented, this was done in every screen update,
> e.g. when scrolling and not only when packages changed.
> Even if it takes only fractions of a second, it quickly becomes a
> problem for performance, and the program could feel sluggish -- not
> noticeable in command-line programs, but extremely important for
> interactive ones.
> So in the end this needed to change quite a few things, working around
> the problem by checking only when needed and caching the results,
> changes in the interface of the field and a few other changes.
Sounds like a solid solution. Otherwise my proposition would have been
to update the "still to download" field only upon pressing "g".
,''`. | Axel Beckert <abe at debian.org>, http://people.debian.org/~abe/
: :' : | Debian Developer, ftp.ch.debian.org Admin
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