[Bug 1672555] Re: If srcpkg is in main but a binary package is in universe, `apt changelog` fails

[Brian Murray]

On Wed, Mar 22, 2017 at 09:53:48PM -0000, Seth Arnold wrote:
> I suspect this transition isn't finished yet:
> 
> http://packages.ubuntu.com/precise/abiword  -> "ubuntu changelog" -> 404
> for url
> http://changelogs.ubuntu.com/changelogs/pool/universe/a/abiword/abiword_2.9.2+svn20120213-1/changelog

I think there are actually some changelogs for packages missing from the
server due to a hardware failure last year sometime and an incomplete
recreation of them.

There are no changelogs for the version of abiword in precise nor for
the version of abiword from the release pocket for trusty.

http://changelogs.ubuntu.com/changelogs/pool/universe/a/abiword/

I don't worry so much about precise given its impending EoL but it'd be
good to sort out trusty.

--
Brian Murray

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https://bugs.launchpad.net/bugs/1672555

Title:
  If srcpkg is in main but a binary package is in universe, `apt
  changelog` fails

Status in extract-changelogs:
  Invalid
Status in apt package in Ubuntu:
  Invalid

Bug description:
  $ apt changelog qemu
  Err:1 http://changelogs.ubuntu.com qemu 1:2.8+dfsg-3ubuntu2 Changelog
    Changelog unavailable for qemu=1:2.8+dfsg-3ubuntu2 (404  Not Found)
  E: Failed to fetch http://changelogs.ubuntu.com/changelogs/pool/universe/q/qemu/qemu_2.8+dfsg-3ubuntu2/changelog  Changelog unavailable for qemu=1:2.8+dfsg-3ubuntu2 (404  Not Found)

  This is because the binary package's component is used to generate the
  URI, but the source is in main and changelogs are organized by source.

  Based upon IRC conversation with slangasek and juliank, it possibly
  makes sense to flatten the pool/ changelogs to drop the component
  subdirectory (with symlinks for BC) and then change apt to not use the
  component in the URI generation

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