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How does appstream work and how to implement it?

ph flag

I'm maintaining a GUI app and releasing it via a PPA.

I already read Metadata quick start for appstream and I think I added it to my project correctly.

The point is I don't get how it's working. First I expected when opening my locally built deb file via GNOME Software, it displays the info from that file, but that's not happening and it seems logical; because I already know that the file can't be read before the whole package is downloaded.

So the Repo-maker software has to be responsible for collecting all the metainfo files from all packages and store them locally on my machine, but I couldn't find any metainfo files on apt cache; only official repos files in yaml format in /var/lib/app-info/yaml, but nothing for my PPA.

Am I doing something wrong?

EDIT: After some research I found out that there is no dep11 directory in the corresponding section of PPA repository.

Is this a limitation of PPAs or a manual interference is needed for that to be made?

mangohost

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