[Bug 289952] Re: update-manager rewrites sources.list to only use official mirrors

[Brian Murray]

** Summary changed:

- [8.10] update-manager ignores sources.list during hardy->intrepid upgrade
+ update-manager rewrites sources.list to only use official mirrors

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Title:
  update-manager rewrites sources.list to only use official mirrors

Status in “update-manager” package in Ubuntu:
  Triaged

Bug description:
  Binary package hint: update-manager

  When upgrading from hardy to intrepid, update-manager ignores the
  local sources.list and downloads everything needed from
  archive.ubuntu.org.  This is problematic for multiple reasons.

  1. Some users may have a local or regional mirror that provides faster downloads than archive.  Ignoring sources.list prevents them from using those local mirrors, possibly causing substantial bandwidth costs.  
  2. During the initial release window for intrepid thousands of Ubuntu users are going to upgrade.  Will archive be able to handle the demand?
  3. When upgrading multiple machines in a laboratory or corporate environment, each machine will download all the packages they need from archive, rather than allowing a single download via the use of apt-proxy or other related proxy systems.

  Please re-consider this policy decision.

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