[SRU] Update apt/xenial to 1.2.20

Uploaded now.

Hello Julian, or anyone else affected,

Accepted apt into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/apt/1.2.20 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, and change the tag from verification-needed to verification-done. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

I've been doing a middle-large upgrade today, alongside some other more focused tests, and everything seems to have worked fine. Let's mark this as verified.

This bug was fixed in the package apt - 1.2.20

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apt (1.2.20) xenial; urgency=medium

  * Microrelease covering fixes of 1.4~rc2 (LP: #1668285)

  [ David Kalnischkies ]
  * don't install new deps of candidates for kept back pkgs
  * keep Release.gpg on untrusted to trusted IMS-Hit (Closes: 838779)
    (LP: #1657440)
  * reset HOME, USER(NAME), TMPDIR & SHELL in DropPrivileges (Closes: 842877)
  * add TMP/TEMP/TEMPDIR to the TMPDIR DropPrivileges dance
  * let {dsc,tar,diff}-only implicitly enable download-only
  * don't show update stats if cache generation is disabled
  * don't lock dpkg in 'apt-get clean'
  * don't lock dpkg in update commands
  * avoid validate/delete/load race in cache generation
  * remove 'old' FAILED files in the next acquire call (Closes: 846476)
  * stop rred from leaking debug messages on recovered errors (Closes: #850759)

  [ Paul Wise ]
  * show output as documented for APT::Periodic::Verbose 2 (Closes: 845599)

  [ John R. Lenton ]
  * bash-completion: Only complete understood file paths for install
    (LP: #1645815)

  [ Lukasz Kawczynski ]
  * Honour Acquire::ForceIPv4/6 in the https transport

  [ Julian Andres Klode ]
  * basehttp: Only read Content-Range on 416 and 206 responses (LP: #1657567)
  * Only merge acquire items with the same meta key (Closes: #838441)
  * Do not package names representing .dsc/.deb/... files (Closes: #854794)
  * Don't use -1 fd and AT_SYMLINK_NOFOLLOW for faccessat()
    Thanks to James Clarke for debugging these issues

 -- Julian Andres Klode <email address hidden> Mon, 27 Feb 2017 15:29:18 +0100

The verification of the Stable Release Update for apt has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.