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

[Launchpad Bug Tracker]

This bug was fixed in the package apt - 2.0.5

---------------
apt (2.0.5) focal; urgency=medium

  [ Julian Andres Klode ]
  * private-search: Only use V.TranslatedDescription() if good (LP: #1877987)
  * Implement update --error-on=any (Closes: #594813) (LP: #1693900)
  * Include all translations when building the cache (LP: #1907850)
  * Add basic support for the Protected field, and do not require force-loopbreak
    on Protected/Important packages (Closes: #983014) (LP: #1916725)
  * Protect currently running kernel at run-time (LP: #1615381)
  * Make ADDARG{,C}() macros expand to single statements
  * Default Acquire::AllowReleaseInfoChange::Suite to "true" (Closes: #931566)
    (LP: #1918907)

  [ David Kalnischkies ]
  * Fix incorrect base64 encoding due to int promotion (LP: #1916050)
  * Harden test for no new acquires after transaction abort (Closes: #984966)
    (LP: #1918920)

 -- Julian Andres Klode <juliank at ubuntu.com>  Fri, 12 Mar 2021 12:47:30
+0100

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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 Released
Status in apt source package in Focal:
  Fix Released
Status in apt source package in Groovy:
  Fix Released
Status in apt package in Debian:
  Fix Released

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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