I can only tell you that either python or C++ should give you what you need at the moment. You could potentially just parse Err lines, but that's a bit hacky. As you mentioned, the output changed a bit.
Our functions return booleans every in the stack, it's unclear how and if we can change that to something else in the near future. I was thinking more about specifying the goal you want (update something, update all, etc.) and then failing if the goal is not reached. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1693900 Title: apt-get update should return exit code != 0 on error Status in apt package in Ubuntu: Triaged Bug description: 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 ... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1693900/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp