Launchpad news, August 2015

Here’s a summary of what the Launchpad team got up to in August.


  • Webhook support for Git repositories is almost finished, and only needs a bit more web UI work (#1474071)
  • The summary of merge proposal pages now includes a link to the merged revision, if any (#892259)
  • Viewing individual comments on Git-based merge proposals no longer OOPSes (#1485907)

Mail notifications

Our internal stakeholders in Canonical recently asked us to work on improving the ability to filter Launchpad mail using Gmail.  The core of this was the “Include filtering information in email footers” setting that we added recently, but we knew there was some more to do.  Launchpad’s mail notification code includes some of the oldest and least consistent code in our tree, and so improving this has entailed paying off quite a bit of technical debt along the way.

  • Bug notifications and package upload notifications now honour the “Include filtering information in email footers” setting (#1474071)
  • Bug notifications now log an OOPS rather than crashing if the SMTP server rejects an individual message (#314420, #916939)
  • Recipe build notifications now include an X-Launchpad-Archive header (#776160)
  • Question notification rationales are now more consistent, including team annotations for subscribers (#968578)
  • Package upload notifications now include X-Launchpad-Message-Rationale and X-Launchpad-Notification-Type headers, and have more specific footers (#117155, #127917)

Package build infrastructure

  • Launchpad now supports building source packages that use Debian’s new build profiles syntax, currently only with no profiles activated
  • Launchpad can now build snap packages (#1476405), with some limitations; this is currently only available to a group of alpha testers, so let us know if you’re interested
  • Builders can now access Launchpad’s Git hosting (HTTPS only) in the same way that they can access its Bazaar hosting
  • All amd64/i386 builds now take place in ScalingStack, and the corresponding bare-metal builders have been detached pending decommissioning; some of the newer of those machines will be used to further expand ScalingStack capacity
  • We have a new ScalingStack region including POWER8-based ppc64el builders, which is currently undergoing production testing; this will replace the existing POWER7-based builders in a few weeks, and also provide virtualised build capacity for ppc64el PPAs
  • We’ve fixed a race condition that sometimes caused a user’s first PPA to be published unsigned for a while (#374395)


  • The project release file upload limit is now 1 GiB rather than 200 MiB (#1479441)
  • We spent some more time supporting translations for the overlay PPA used for current Ubuntu phone images, copying a number of existing translations into place from before the point when they were redirected automatically
  • Your user index page now has a “Change password” link (#1471961)
  • Bug attachments are no longer incorrectly hidden when displaying only some bug comments (#1105543)

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