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Erwan avatar Ubuntu

ubuntu-wallpapers: the copyright file doesn't seem to always contain the license with specific distribs

kz flag
Erwan

This is is a follow-up to this question. In short:

  • I would like to collect all the pictures from the various Ubuntu wallpapers together with their appropriate credits/license.
  • Thanks to the answer, I can interpret the content of the file /usr/share/doc/<package id>/copyright which contains the license info for the files installed in /usr/share/backgrounds/ for each distrib.

This works fine with many packages but with some packages (quite old ones, apparently) I can't find some/any of the image files in the copyright file. For example, ubuntu-wallpapers-maverick contains 17 images:

> dpkg -L ubuntu-wallpapers-maverick | grep jpg
/usr/share/backgrounds/Aeg_by_Tauno_Erik.jpg
/usr/share/backgrounds/Blue_box_number_2_by_orb9220.jpg
/usr/share/backgrounds/Blue_by_ElSlunko.jpg
/usr/share/backgrounds/Bubbles_by_JanneM.jpg
/usr/share/backgrounds/Crocosmia_by_sirpecangum.jpg
/usr/share/backgrounds/Feather_by_quinn.anya.jpg
/usr/share/backgrounds/Fern_by_aalex04.jpg
/usr/share/backgrounds/Life_by_Paco_Espinoza.jpg
/usr/share/backgrounds/Liquid_glass_by_matthileo.jpg
/usr/share/backgrounds/Mirada_Perduda_by_Marxicoli.jpg
/usr/share/backgrounds/Morning_II_by_Tadas_N.jpg
/usr/share/backgrounds/Primer_Amanecer_2010_by_letoloke.jpg
/usr/share/backgrounds/Ropey_Photo_by_Bob_Farrell.jpg
/usr/share/backgrounds/Serenity_Enchanted_by_sirpecangum.jpg
/usr/share/backgrounds/Smile_by_quinn.anya.jpg
/usr/share/backgrounds/Spiral_by_firas.jpg
/usr/share/backgrounds/Waterchain_by_Poje_Mario.jpg

But the file /usr/share/doc/ubuntu-wallpapers-maverick/copyright does not contain Aeg_by_Tauno_Erik.jpg (nor Aeg or Tauno). Same for the other images.

The format seems to be regular, am I missing something? Is there another way to find the credits related to these images?

Additional details: I wrote a script which installs all the ubuntu-wallpapers-* packages one by one to extract the images provided the license is found. There might be bugs but the script doesn't find the images filename for more than half the images overall.

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muru avatar
us flag
muru
Checking [the package copyright file](http://changelogs.ubuntu.com/changelogs/pool/main/u/ubuntu-wallpapers/ubuntu-wallpapers_18.04.1-0ubuntu1/copyright) there's a `Files: *` section which will cover the files that are not matched by more specific sections, and it says "2010-2016 Ubuntu community contributors License: CC-BY-SA-3.0" which I believe should cover this file
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Erwan avatar
kz flag
Erwan
@muru oh right, I didn't realize that this `*` could be interpreted this way. So for any image not listed, one should cite *Nathaniel McCallum, Daniel Holbach and Ubuntu community contributors* as authors in this case? It's a bit strange because very often the filename contains the author's name.
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muru avatar
us flag
muru
I think Nathaniel McCallum and Daniel Holbach did the packaging work and only take copyright for those parts, and for the pictures it would be "Ubuntu community contributors". I'm not sure how it came to be like it, but perhaps during the early days of the wallpaper contests they were more lax about the copyright specification.
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Erwan avatar
kz flag
Erwan
@muru Thanks for this point, it might be correct indeed. Ideally I'd like to have confirmation since CC-BY-SA requires citing the author and it's not completely how to cite in this case.
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