Re: FreeBSD Use Case for Short Identifiers
Steve Winslow
Hi Warner, Thanks for sharing this. It looks like a good, detailed way to document how the SPDX license identifiers will work for FreeBSD. I've seen several projects implement SPDX identifiers without this level of detail, but I understand the desire to do so here and I think this will be helpful to the community. I took a quick look at the sections relating to SPDX identifiers. I had a couple of clarifications that might be helpful to consider: * In section 2, there's a link to https://spdx.org/. There's a page on the SPDX website that is dedicated to explaining how SPDX identifiers work, at https://spdx.dev/ids/ -- this might be more useful as a direct link. * In section 2.5, I note that it states that for the GNU family of licenses, the "-only" and "-or-later" IDs are deprecated and e.g. "GPL-2.0" or "GPL-2.0+" should be used instead. This is incorrect -- it's actually the other way around, the plain identifier or "+" is deprecated and "-only" / "-or-later" should typically be used instead. To be clear, the "GPL-2.0" / "GPL-2.0+" identifiers remain valid and usable. They are listed as "deprecated" in the section at the bottom of https://spdx.org/licenses/, but they are still valid (and I expect will remain valid). Some projects, such as the Linux kernel, have opted to primarily use this form rather than switching to "-only" / "-or-later". This is only for the GNU family of licenses (GPL, LGPL, AGPL) -- all others continue to use "+" as the primary way to express "or later version". I hope this is helpful! Best, Steve
On Thu, Apr 1, 2021 at 6:53 PM Warner Losh <imp@...> wrote:
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