[Bug 144006] Re: CC-by-sa reported as non-free

[Craig]

Some of the information here in the previous comments is old/outdated or
incorrect. Here is the real story.

According to the DFSG and the FSF, CC-BY-SA >= 3.0 is Free. See
http://wiki.debian.org/DFSGLicenses#CreativeCommonsAttributionShare-
Alike.28CC-BY-SA.29v3.0

tangerine-icon-theme is licensed under CC-BY-SA 2.5... which is non-
Free. Hence, vrms complains about it. Here's tangerine-icon-theme's
COPYRIGHT file: http://packages.debian.org/changelogs/pool/non-free/t
/tangerine-icon-theme/tangerine-icon-theme_0.26.debian-3/tangerine-icon-
theme.copyright

vrms works by parsing /var/lib/dpkg/status. For each package, vrms determines if it is installed, and if it is, it looks at the package's section to see if it's in the "non-free" section. For example, Here is an excerpt:
Package: tangerine-icon-theme
Status: install ok installed
Priority: optional
Section: non-free/x11

vrms sees "Section: non-free" and reports the package as non-Free.
That's it... vrms has not logic to evaluate licenses, it simply uses the
section.

As for the solution, I think it's a Very Bad Thing that Ubuntu depends
on a non-DFSG Free package right out of the box, and it's a serious
problem that out to be fixed immediately (either by dropping tangerine-
icon-theme from the default install, or changing the license to CC-BY-SA
3.0).

-- 
CC-by-sa reported as non-free
https://bugs.launchpad.net/bugs/144006
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