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Nextcloud updates can be typically performed over the graphical administration interface.
In most cases updates are running very smooth but in other cases, some issues can occurred with the nextcloud remote download servers or the PHP-Backend or because something is running in a timeout. The update experience over the command line interface is much reliable and faster. Just try it out.

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openSUSE Leap 15.2 is available since beginning of July.
Now, one month after the release, I am sure its the best time to perform the Upgrade on the production systems.

Note, that it is always a good idea to:
– look into the upgrade release notes to make sure, you don’t run in any deprecations with your currently running software
– run a backup or a snapshot of the system, which will going to be upgraded
– run the upgrade steps inside a screen

After you read the release notes and run a backup, synchronize your system to the actual patch level:

zypper ref ; zypper up

Now you can safe update your repositories to 15.1 version:

sed -i 's/15.1/15.2/' /etc/zypp/repos.d/*
mv /etc/zypp/repos.d/openSUSE-15.1.0.repo /etc/zypp/repos.d/openSUSE-15.2.0.repo

The move step can fail, if your repository file name is different from the default one. But this is not a problem at all: The refresh process merely replaces needed repos.

Now, you are ready to run the upgrade process:

zypper refresh && zypper dup

Your system will have to be restarted at once, for all the changes to take effect and, thus, run the new system.

To automate the roundcube upgrade-process was necessary to download the latest archive from GitHub.
To identify the latest version just follow the latest release.

This trick will also work for any other GitHub project:

import requests
url = 'https://github.com/roundcube/roundcubemail/releases/latest'
r = requests.get(url)
version = r.url.split('/')[-1]

print(version)