[Bug 830492] Re: Use an alternative download manager (Aria2)

[James Haigh]

"Sorry, James. But I cannot merge your changes."

That's ok. I wasn't expecting you to after you said you weren't planning
to merge your own branch before Precise. I think I was a bit ambitious
to hope this got into Precise.

"The alternative downloader has to be optional and provide a clear
advantage over the current situation."

Yes, it will be. It will support Apt, Aria2 and Deluge. If I can find
some decent documentation for Deluge's RPC.

"Furthermore you have to make the changes for the latest revision of
aptdaemon - that is where the development takes place."

I'll merge it.

"Your statement to no longer work on this doesn't make the situation
better."

Did I say that? Hmm. Maybe I came across like that. Sorry. I'm still
working on the Aria2/Deluge support. There are a few things I need to
fix.

"You have to coloberate with the other developers and not just dropping
some piece of code and hoping someone will pick it up automatically."

Well I did ask some questions a while back and nobody answered so I
started anyway. I'm not dropping the code.


BTW, I unassigned myself from Aptdaemon because you were already working on your separation branch.

Use an alternative download manager isn't really a problem, it's a potential solution to a couple of problems:
* 'Downloads should not lock apt'
* Bug #912402

** Summary changed:

- Use an alternative download manager (Aria2)
+ Downloads should not lock Apt

** Changed in: aptdaemon
       Status: Opinion => Confirmed

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https://bugs.launchpad.net/bugs/830492

Title:
  Downloads should not lock Apt

Status in APT:
  Won't Fix
Status in Aptboost:
  Fix Committed
Status in Aptdaemon:
  Confirmed
Status in The synaptic package manager:
  Won't Fix
Status in “apt” package in Ubuntu:
  Won't Fix
Status in “synaptic” package in Ubuntu:
  Won't Fix

Bug description:
  It should be possible to download while installing, or download 2
  things at once.

  Currently an apt-get command with '--download-only' will lock apt
  (/var/lib/dpkg/lock). Synaptic even locks apt just by being open!

  Examples:
  * I might be updating my system. The update is still in the download stage, and I want to download and install a small package for something. Currently I would have to stop the download, install the package, and resume the download.
  * I'm installing lots of application from the Software Centre. While 1 app is installing the next should be downloading.
  * Run apt-get from command line while browsing software in Synaptic.

  To avoid multiple instances of apt downloading the same file, each
  partial file should have it's own lock (For example,
  /var/cache/apt/archives/partial/inkscape_0.48.1-2ubuntu2_i386.deb
  would have inkscape_0.48.1-2ubuntu2_i386.lock). It may also be
  necessary to prevent updating package lists (sudo apt-get update) when
  any download lock exists as well as apt's main lock.

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