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by onli
1915 days ago
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> Again? Not sure where you said it Here, it was in the comment (and not an edit :) ): > It would be further be complicated by the file in question being a database file. You typically can not license databases in a meaningful way under GPL. Even if you could, reading a GPL'd database has no chance of carrying GPL code obligations over to the consuming program. But I actually just wrote again because I made that point in another subthread, no criticism implied. |
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First of all the infringing file is https://github.com/minad/mimemagic/blob/master/script/freede.... Sure, it is in XML. But it contains a tremendous amount of free-form text, specific sets of pattern matching rules for the data types, and so on. It is a compilation of sometimes original research on the best ways to detect file types. Ruby has other mime libraries. The reason why this one was chosen is that its detection algorithms make better choices. And the reason that they make better choices is that they copied the decision rules from a GPLed project.
But even if it were a simple compilation, it still is not guaranteed that there is no copyright. See https://en.wikipedia.org/wiki/Copyright_in_compilation for an introductory article on what can and can't be copyrighted about a compilation. And one of the elements that matters is creativity in the selection of the material. A set of rules with a lot of "look for this" while leaving out various reasonable thats that don't work so well shows considerable creativity.
That said, a judge may decide otherwise. You never know until a judge decides. But I would not presume that there is no copyright interest to be had here.