From: Jelle Licht <jlicht@fsfe.org>
To: Danny Milosavljevic <dannym@scratchpost.org>
Cc: guix-devel <guix-devel@gnu.org>, David Craven <david@craven.ch>
Subject: Re: License auditing
Date: Wed, 3 Aug 2016 20:00:38 +0200 [thread overview]
Message-ID: <CAPsKtfJJaP-denDUQG69_be9X2x=E-0DfZh0vEBT5L2nBvRiYw@mail.gmail.com> (raw)
In-Reply-To: <20160803195511.3f55fc92@scratchpost.org>
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Something like this could be quite convenient.
The following spdx->guix license symbol converter
might save you some time:
http://paste.lisp.org/display/322105
- Jelle
2016-08-03 19:55 GMT+02:00 Danny Milosavljevic <dannym@scratchpost.org>:
> On Wed, 3 Aug 2016 18:28:38 +0200
> David Craven <david@craven.ch> wrote:
>
> > How can I tell the difference between a lgpl2.1 and lgpl2.1+ license?
>
> "or later"
>
> > Is this a job that an automated tool could do? Detecting licenses
> > included in a tarball?
>
> I also wonder about that. Usually, the license text is just copied &
> pasted anyway, so it should be quite regular.
>
> If there isn't one, I could write one which would basically, per source
> file,
> - try to find SPDX identifier, if that doesn't work:
> - ignore newline, "#" or ";" or "*" or "//" at the beginning of the line
> - lex that into words, where "word" is either [a-zA-Z0-9-]+ or [.,;]
> - try to 1:1 match with all the licenses similarily mapped
> - if that didn't work, try to find signal words and guess the license and
> print the difference in a short form.
>
> I could do that program in maybe 2 hours and find and extract all the
> official license texts in a few more hours. But does such a thing already
> exist? [Seems like something obvious to have and I'm writing many other
> things already.]
>
> A human would still have to review the non-1:1 things - there could always
> be strange exceptions in the README or whatever - but the majority of cases
> should work just fine.
>
> See also <https://spdx.org/licenses/> (especially <
> https://github.com/triplecheck/>), <
> http://www.sciencedirect.com/science/article/pii/S0164121216300905> (also
> lists several license checkers; Fossology seems to be a whole webservice
> which does that).
>
>
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next prev parent reply other threads:[~2016-08-03 18:00 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-03 16:28 License auditing David Craven
2016-08-03 17:55 ` Danny Milosavljevic
2016-08-03 18:00 ` Jelle Licht [this message]
2016-08-03 18:05 ` Leo Famulari
2016-08-03 18:05 ` David Craven
2016-08-03 18:15 ` David Craven
2016-08-03 18:03 ` Leo Famulari
2016-08-03 20:42 ` Ludovic Courtès
2016-08-03 21:11 ` Alex Griffin
2016-08-03 22:59 ` David Craven
2016-08-04 14:23 ` Ludovic Courtès
2016-08-04 14:40 ` Alex Griffin
-- strict thread matches above, loose matches on Subject: below --
2016-08-04 17:41 Philippe Ombredanne
2016-08-04 18:34 Philippe Ombredanne
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