[Bug 253119] Re: PPA packages do not show a changelog in update-manager

[Nicolas Delvaux]

As explained here some years ago (and I confirm it is still valid as of
update-manager on Xenial), UM already looks for changelog published
alongside .deb packages. It's in the "UpdateManager/Core/MyCache.py"
file.

So, IMHO, the proper fix for this issue would be to make Launchpad/Soyuz
publish a changelog file.

The proposed approach in TJ's patch is to simply scrap the HTML from the
PPA web page. It's fragile at best, but it has the advantage to work and
to be an order of magnitude easier to implement than patching Soyuz.

So I think we need the advise from Canonical insiders here: I understand this feature may not be on any official roadmap, but Soyuz is a rather hard project to contribute to for an outsider.
Is this the only way to go or could a patch like TJ' be accepted in update-manager?

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https://bugs.launchpad.net/bugs/253119

Title:
  PPA packages do not show a changelog in update-manager

Status in Launchpad itself:
  Triaged
Status in update-manager package in Ubuntu:
  Confirmed

Bug description:
  When installing official packages via update-manager, the change log
  is available from a tab in the GUI (next to description).  These
  change logs are not available for PPA packages.  Could this facility
  be added?  When discussed on IRC #launchpad, there was some concern
  this might blur the boundaries between official and PPA packages and
  result in unfounded trust in the PPA packages.

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