[Bug 880090] Re: "Ubuntu distro Upgrade Available" dialog ignores HTTP proxy settings when fetching release info

[zub]

** Attachment added: "Screenshot showing the "distro update" dialog with the bug."
   https://bugs.launchpad.net/bugs/880090/+attachment/2567183/+files/Screenshot-Ubuntu%2011.10%20Upgrade%20Available.png

** Tags added: distribution-upgrade

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https://bugs.launchpad.net/bugs/880090

Title:
  "Ubuntu distro Upgrade Available" dialog ignores HTTP proxy settings
  when fetching release info

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

Bug description:
  Release: Ubuntu 11.04 Natty

  The dialog announcing the availability of a new Ubuntu release seems
  to ignore HTTP proxy settings when it fetches a document from Ubuntu
  website - see the attached screenshot.

  Note that this is a cosmetic issue that affects the dialog only,
  update itself is not affected and works ok.

  As far as I know, the proxy is correctly set in the http_proxy
  environment variable, in the gnome proxy settings (whatever that does
  in the end...) and in apt configuration, so both apt and e.g. web
  browsing work ok on that box.

  I don't know the precise version of update-manager, but it happened
  recently, before I upgraded to 11.10, so I think whatever is the
  current version in Natty is affected (1:0.150.4?).

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