[Bug 1693900] Re: apt-get update should return exit code != 0 on error

[Mathew Hodson]

Fixed in Ubuntu Hirsute.

---
apt (2.1.16) unstable; urgency=medium

  [ Faidon Liambotis ]
  * Various fixes to http and connect method
    - basehttp: also consider Access when a Server's URI
    - connect: convert a C-style string to std::string
    - connect: use ServiceNameOrPort, not Port, as the cache key

  [ Julian Andres Klode ]
  * patterns: Add dependency patterns ?depends, ?conflicts, etc.
    Note that the -broken- variants are not implemented yet.
  * Rewrite of the kernel autoremoval code:
    - Determine autoremovable kernels at run-time (LP: #1615381), this fixes the
      issue where apt could consider a running kernel autoremovable
    - Automatically remove unused kernels on apt {full,dist}-upgrade.
      This helps ensuring that we don't run out of /boot space.
    - Only keep up to 3 (not 4) kernels.
      Ubuntu boot partitions were sized for 3 kernels, not 4.
  * Bump codenames to bullseye/hirsute and adjust -security codename for
    bullseye (Closes: #969932)
  * Ignore failures from immediate configuration. This does not change the
    actual installation ordering - we never passed the return code to the
    caller and installation went underway anyway if it could be ordered at a
    later stage, this just removes spurious after-the-fact errors.
    (Closes: #973305, #188161, #211075, #649588) (LP: #1871268)
  * Add support for Phased-Update-Percentage, previously used only by
    update-manager.
  * Implement update --error-on=any so that scripts can reliably check for
    transient failures as well. (Closes: #594813)

  [ Demi M. Obenour ]
  * test/integration/framework: Be compatible with Bash

  [ Vangelis Skarmoutsos ]
  * Greek program translation update

 -- Julian Andres Klode <jak at debian.org>  Fri, 08 Jan 2021 21:49:15
+0100

** Bug watch removed: Debian Bug tracker #776152
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=776152

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https://bugs.launchpad.net/bugs/1693900

Title:
  apt-get update should return exit code != 0 on error

Status in apt package in Ubuntu:
  Fix Released
Status in apt source package in Xenial:
  Confirmed
Status in apt source package in Bionic:
  Fix Committed
Status in apt source package in Focal:
  Fix Committed
Status in apt source package in Groovy:
  Fix Committed
Status in apt package in Debian:
  Unknown

Bug description:
  [Impact]
  There is no way for scripts to run apt update and be sure that it was entirely successful.

  We introduce a new flag, --error-on=any that makes apt update also
  error out on transient errors.

  [Test plan]
  We have included a test in the test-suite in test-apt-update-failure-propagation that ensures that warnings become errors.

  [Where problems could occur]
  If there's an issue some warnings for transient errors could become errors, or worse I suppose it's possible but unlikely for errors to be reported as warnings...

  Since the new behavior is behind a flag, regression potential for
  existing scripts is low if there is no bug.

  [Original bug report]

  When running 'apt-get update' (e.g. on a container install post-
  install script), apt-get return with exit code 0, even so it wasn't
  able to "update" properly. E.g.:

  + apt-get update
  Err:1 http://de.archive.ubuntu.com/ubuntu xenial InRelease
    Temporary failure resolving 'de.archive.ubuntu.com'
  Err:2 http://security.ubuntu.com/ubuntu xenial-security InRelease
    Temporary failure resolving 'security.ubuntu.com'
  Err:3 http://de.archive.ubuntu.com/ubuntu xenial-updates InRelease
    Temporary failure resolving 'de.archive.ubuntu.com'
  Reading package lists... Done
  W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/xenial/InRelease  Temporary failure resolving 'de.archive.ubuntu.com'
  W: Failed to fetch http://de.archive.ubuntu.com/ubuntu/dists/xenial-updates/InRelease  Temporary failure resolving 'de.archive.ubuntu.com'
  W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/xenial-security/InRelease  Temporary failure resolving 'security.ubuntu.com'
  W: Some index files failed to download. They have been ignored, or old ones used instead.

  It should be corrected to return useful exit code, so that scripts can
  take the appropriate actions ...

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