[Bug 1173570] Re: For each release, always create all dists in repo, even when empty

[Pander]

** Package changed: ubuntu => ubuntu-release-upgrader (Ubuntu)

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https://bugs.launchpad.net/bugs/1173570

Title:
  For each release, always create all dists in repo, even when empty

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Confirmed

Bug description:
  People can upgrade by altering their /etc/apt/sources.list file. They
  typically rename e.g. quantal to raring and do an apt-get dist-
  upgrade.

  With the release of 13.04, not all dists have been created in the
  repo. See http://archive.canonical.com/ubuntu/dists/

  which has:
  [DIR]	quantal-backports/	26-Apr-2012 18:44 	- 	 
  [DIR]	quantal-proposed/	26-Apr-2012 18:44 	- 	 
  [DIR]	quantal-security/	26-Apr-2012 18:44 	- 	 
  [DIR]	quantal-updates/	26-Apr-2012 18:44 	- 	 
  [DIR]	quantal/	26-Apr-2012 18:44 	- 	 
  but for raring ans saucy it has:
  [DIR]	raring-proposed/	01-Feb-2013 20:53 	- 	 
  [DIR]	raring/	23-Oct-2012 11:23 	- 	 
  [DIR]	saucy-proposed/	26-Apr-2013 09:35 	- 	 
  [DIR]	saucy/	26-Apr-2013 11:35 	-

  This means that if people use raring, they have to comment out
  updates, security and backports in sources.list and monitor manually
  when these are available and enable these by uncommenting. Otherwise
  apt-get upgrade is complaining about it.

  This is a far from ideal situation since these mechanism are there to
  automate upgrades flawlessly. Please fix this by creating (even if
  empty) dists for updates, security and backports for any Ubuntu
  release before it is official. (So please do that for raring and
  already for saucy). Errors from apt-get update are:

  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/raring-
  updates/partner/binary-amd64/Packages  404  Not Found [IP:
  91.189.92.191 80]

  W: Failed to fetch http://archive.canonical.com/ubuntu/dists/raring-
  updates/partner/binary-i386/Packages  404  Not Found [IP:
  91.189.92.191 80]

  E: Some index files failed to download. They have been ignored, or old
  ones used instead.

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