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Date:      Thu, 7 Aug 2025 17:03:14 -0600
From:      Warner Losh <imp@bsdimp.com>
To:        "Simon J. Gerraty" <sjg@freebsd.org>, src-committers <src-committers@freebsd.org>,  "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>,  "<dev-commits-src-main@freebsd.org>" <dev-commits-src-main@freebsd.org>
Subject:   Re: git: 5c4d1c85847d - main - Replace license with just SPDX BSD-2-Clause
Message-ID:  <CANCZdfpGEx-wPY9wpNMCeRuPwtcyyRJZ1rgD012V4cYSx=Qvhw@mail.gmail.com>
In-Reply-To: <20250807223124.2tsDIUvh@steffen%sdaoden.eu>
References:  <202508072215.577MFjpx011932@gitrepo.freebsd.org> <20250807223124.2tsDIUvh@steffen%sdaoden.eu>

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Thanks!

Warner

On Thu, Aug 7, 2025, 4:31=E2=80=AFPM Steffen Nurpmeso <steffen@sdaoden.eu> =
wrote:

> Hello Simon, all,
>
> Simon J. Gerraty wrote in
>  <202508072215.577MFjpx011932@gitrepo.freebsd.org>:
>  ...
>  |URL:
> https://cgit.FreeBSD.org/src/commit/?id=3D5c4d1c85847d84bd86e6b12408f\
>  |9b5f846094f39
>  |
>  |commit 5c4d1c85847d84bd86e6b12408f9b5f846094f39
>  |Author:     Simon J. Gerraty <sjg@FreeBSD.org>
>  |AuthorDate: 2025-08-07 22:15:37 +0000
>  |Commit:     Simon J. Gerraty <sjg@FreeBSD.org>
>  |CommitDate: 2025-08-07 22:15:37 +0000
>  |
>  |    Replace license with just SPDX BSD-2-Clause
>
> That is very interesting!  And .. are you really sure this is
> right with BSD etc licenses which explicitly require that the
> license text is included?
> So i looked and found [1] which says
>
>   SPDX IDs are intending to express information about
>   licenses. Copyright notices =E2=80=90 statements about who owns the
>   copyright in a file or project =E2=80=90 are outside the scope of SPDX
>   short-form IDs.
>   Therefore, you should not remove or modify existing copyright
>   notices in files when adding an SPDX ID.
>
> However i am sure you do not do something like this "just like
> that", and would be very interested -- it would be nice to be able
> to vaporise the file header -- i always have that pitfall moment
> when i look into Plan9 / 9front source code, which then simply
> starts off (and very often with "#include <u.h>", just like that).
>
>   [1] https://spdx.dev/learn/handling-license-info/
>
> --steffen
> |
> |Der Kragenbaer,                The moon bear,
> |der holt sich munter           he cheerfully and one by one
> |einen nach dem anderen runter  wa.ks himself off
> |(By Robert Gernhardt)
> |
> |During summer's humble, here's David Leonard's grumble
> |
> |The black bear,          The black bear,
> |blithely holds his own   holds himself at leisure
> |beating it, up and down  tossing over his ups and downs with pleasure
> |
> |Farewell, dear collar bear
>

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<div dir=3D"auto">Thanks!<div dir=3D"auto"><br></div><div dir=3D"auto">Warn=
er=C2=A0</div></div><br><div class=3D"gmail_quote gmail_quote_container"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Thu, Aug 7, 2025, 4:31=E2=80=AFPM St=
effen Nurpmeso &lt;<a href=3D"mailto:steffen@sdaoden.eu">steffen@sdaoden.eu=
</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello Simon, all,<b=
r>
<br>
Simon J. Gerraty wrote in<br>
=C2=A0&lt;<a href=3D"mailto:202508072215.577MFjpx011932@gitrepo.freebsd.org=
" target=3D"_blank" rel=3D"noreferrer">202508072215.577MFjpx011932@gitrepo.=
freebsd.org</a>&gt;:<br>
=C2=A0...<br>
=C2=A0|URL: <a href=3D"https://cgit.FreeBSD.org/src/commit/?id=3D5c4d1c8584=
7d84bd86e6b12408f%5C" rel=3D"noreferrer noreferrer" target=3D"_blank">https=
://cgit.FreeBSD.org/src/commit/?id=3D5c4d1c85847d84bd86e6b12408f\</a><br>
=C2=A0|9b5f846094f39<br>
=C2=A0|<br>
=C2=A0|commit 5c4d1c85847d84bd86e6b12408f9b5f846094f39<br>
=C2=A0|Author:=C2=A0 =C2=A0 =C2=A0Simon J. Gerraty &lt;sjg@FreeBSD.org&gt;<=
br>
=C2=A0|AuthorDate: 2025-08-07 22:15:37 +0000<br>
=C2=A0|Commit:=C2=A0 =C2=A0 =C2=A0Simon J. Gerraty &lt;sjg@FreeBSD.org&gt;<=
br>
=C2=A0|CommitDate: 2025-08-07 22:15:37 +0000<br>
=C2=A0|<br>
=C2=A0|=C2=A0 =C2=A0 Replace license with just SPDX BSD-2-Clause<br>
<br>
That is very interesting!=C2=A0 And .. are you really sure this is<br>
right with BSD etc licenses which explicitly require that the<br>
license text is included?<br>
So i looked and found [1] which says<br>
<br>
=C2=A0 SPDX IDs are intending to express information about<br>
=C2=A0 licenses. Copyright notices =E2=80=90 statements about who owns the<=
br>
=C2=A0 copyright in a file or project =E2=80=90 are outside the scope of SP=
DX<br>
=C2=A0 short-form IDs.<br>
=C2=A0 Therefore, you should not remove or modify existing copyright<br>
=C2=A0 notices in files when adding an SPDX ID.<br>
<br>
However i am sure you do not do something like this &quot;just like<br>
that&quot;, and would be very interested -- it would be nice to be able<br>
to vaporise the file header -- i always have that pitfall moment<br>
when i look into Plan9 / 9front source code, which then simply<br>
starts off (and very often with &quot;#include &lt;u.h&gt;&quot;, just like=
 that).<br>
<br>
=C2=A0 [1] <a href=3D"https://spdx.dev/learn/handling-license-info/" rel=3D=
"noreferrer noreferrer" target=3D"_blank">https://spdx.dev/learn/handling-l=
icense-info/</a><br>
<br>
--steffen<br>
|<br>
|Der Kragenbaer,=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 The=
 moon bear,<br>
|der holt sich munter=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0he cheerfully=
 and one by one<br>
|einen nach dem anderen runter=C2=A0 wa.ks himself off<br>
|(By Robert Gernhardt)<br>
|<br>
|During summer&#39;s humble, here&#39;s David Leonard&#39;s grumble<br>
|<br>
|The black bear,=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 The black bear,<br>
|blithely holds his own=C2=A0 =C2=A0holds himself at leisure<br>
|beating it, up and down=C2=A0 tossing over his ups and downs with pleasure=
<br>
|<br>
|Farewell, dear collar bear<br>
</blockquote></div>

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