Dear members of the gwyddion team, I am maintaining several linux PCs at my work space. (Xubuntu 20.04) and have the current issue, that the last update from the PPA 2.57-0~ppa1~focal1 broke the normal gwyddion installation.
1) The error message is (translated): "gwyddion depends on libgwyddion2-0 (>= 2.57); but: version of libgwyddion2-0:amd64 on the system is 2.57-0~ppa1~focal1", if I have installed the libgwyddion2-0 manually before gwyddion via apt. The message is similar, if the libgwyddion2-0 package is not installed manually. In both cases apt refuses to install gwyddion. Workaround is to install the libgwyddion2-0 package via apt and the gwyddion.deb via dpkg, leaving apt in an erroneous state, which causes issues with updates of other packages, but a working gwyddion. This is not the way to go. 2) The alternative of removing the PPA and installing via ubuntu repositorys gives the 2.55 version, which installs fine. But starting the application gives an error about modules are not installed correctly. "You may have corrupted your installation", requesting to delete a folder and re-installation of gwyddion (apt remove --purge). After doing both, the same error occurs again, resulting in an not usable gwyddion installation. 3) Installation via flatpak works fine, but the app doesn't have permission to access the host filesystem. Here I only tested system-wide installation. So a manual "flatpak override net.gwyddion.Gwyddion --filesystem=host" is necessary to get a usable gwyddion. I am not sure, whom to contact regarding these issues. I have contacted the PPA maintainer, but haven't received an answer until now. Sadly the .deb files from the previous version 2.56 are not available in the PPA any more. And as a mail announcing the next version came up, I just wanted to mention it beforehand. Best wishes, Sebastian
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