Hi Phil,

I have multiple questions for you:

On 13/04/25 18:34, Phil Wyett wrote:

[...]
Expat | FTL source/FTL.TXT

Do I really need to begin to document license file in d/copyright ??
Looking on my system in /usr/share/doc/*/copyright this doesn't seems to
be a common practice.
Did I misunderstood something ?

Expat | Expat and/or Unlicense source/plutovg-stb-image.h
Expat | Expat and/or Unlicense source/plutovg-stb-image-write.h Expat | Expat and/or Unlicense source/plutovg-stb-truetype.h

Looking at these files can be dual licensed and this should really be expressed
in the 'debian/copyright' file.

The value of the "License" field can't have space.
"Expat and/or Unlicense" isn't allowed; how I am supposed to express
this in the dep5 format ?

There also seems to be many contributors with these files. I know a tedious job, but you may wish to loo at these?

As far as I understand the requirements, I need to document *copyright
holders* in d/copyright, not every single contributors.
Did I misunderstood something ?

br,
Sébastien

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On 13/04/25 19:29, Phil Wyett wrote:

No, you do not need to add this. LEft in output in error.

ok thanks

[...]
The value of the "License" field can't have space.
"Expat and/or Unlicense" isn't allowed; how I am supposed to express
this in the dep5 format ?

Spaces are allowed.

no they are not. Here is what Lintian as to say if I include a snippet "License: Expat and/or Unlicense" :

W: plutovg source: space-in-std-shortname-in-dep5-copyright expat and/or unlicense

As far as I understand the requirements, I need to document *copyright
holders* in d/copyright, not every single contributors.
Did I misunderstood something ?

These files are the result of bad development practice. Who knows who claims copyright here.

well... I read this line in the files :
"Copyright (c) 2017 Sean Barrett"
The other peoples are credited above "ADDITIONAL CONTRIBUTORS".
If you don't trust upstream on this, I'm sorry but what are we even
trying to do with d/copyright ??

I would list all contributors, but that is me. As I said a DD
may upload for you deciding that researching correct licensing will take a great
deal of time and upload requiring the work to be done. They also may upload deciding it maybe too much work and it can pass with primary developer being enough in 'debian/copyright.

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On 13/04/25 20:33, Phil Wyett wrote:

On Sun, 2025-04-13 at 19:42 +0200, Sébastien Noel wrote:

Spaces are allowed.

no they are not. Here is what Lintian as to say if I include a snippet
"License: Expat and/or Unlicense" :

W: plutovg source: space-in-std-shortname-in-dep5-copyright expat and/or
unlicense

The licensecheck hint:

Files: source/plutovg-stb-image-write.h
source/plutovg-stb-image.h
source/plutovg-stb-truetype.h
Copyright: 2017, Sean Barrett
License: Expat and/or Unlicense
FIXME

I would suggest you do some research here.

for the record:

The "space-in-std-shortname-in-dep5-copyright" tag seems just plain
wrong as I didn't find anything to support that claim in https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/

Both Lintian & licenserecon do not emit error/warning with
"License: Expat or Unlicense" ; but that is the only form that works.
"License: Expat and/or Unlicense" will make Lintian unhappy.

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To: debian-mentors@lists.debian.org
Copy: sebastien@twolife.be (=?UTF-8?B?U8OpYmFzdGllbg==?= Noel)

On Sunday, April 13, 2025 10:42:33 AM Mountain Standard Time Sébastien
Noel wrote:

On 13/04/25 19:29, Phil Wyett wrote:

No, you do not need to add this. LEft in output in error.

ok thanks

[...]
The value of the "License" field can't have space.
"Expat and/or Unlicense" isn't allowed; how I am supposed to
express this in the dep5 format ?

Spaces are allowed.

no they are not. Here is what Lintian as to say if I include a
snippet "License: Expat and/or Unlicense" :

W: plutovg source: space-in-std-shortname-in-dep5-copyright expat
and/or unlicense

I think what is causing the issue is “and/or”. “and/or” makes no sense in a debian/copyright license. It is either “and” or it is “or”. If the upstream license says “and/or”, that means it is “or”,
and debian/copyright should just say “or”.

As an example, look at the following.

https://salsa.debian.org/debian/courier/-/blob/master/debian/ copyright?ref_type=heads

As far as I understand the requirements, I need to document
*copyright holders* in d/copyright, not every single
contributors.
Did I misunderstood something ?

These files are the result of bad development practice. Who knows
who claims copyright here.

well... I read this line in the files :
"Copyright (c) 2017 Sean Barrett"
The other peoples are credited above "ADDITIONAL CONTRIBUTORS".
If you don't trust upstream on this, I'm sorry but what are we even
trying to do with d/copyright ??

I would list all contributors, but that is me. As I said a DD
may upload for you deciding that researching correct licensing
will take a great deal of time and upload requiring the work to
be done. They also may upload deciding it maybe too much work and
it can pass with primary developer being enough in
'debian/copyright.

You only need to list people for whom copyright is asserted. You do
not need to list all the contributors. Many projects have
contributors assign copyright to the organization, but still list the contributors names. Those names do not need to be enumerated in debian/copyright as long as nothing upstream asserts they have
copyright.

An interesting example of this is electrum. The main copyright is:

2011-2024 The Electrum Developers

However, there are a number of files with headers that contain
explicit copyrights, so the full copyright information for Files: *
is:

2011-2024 The Electrum Developers
2011-2024 Thomas Voegtlin <thomasv@gitorious>
2012 thomasv@ecdsa.org
2013 ecdsa@github
2014 David Lazar <lazard@mit.edu>
2015 kyuupichan@gmail
2017 Pieter Wuille
2018 Adam Gibson (waxwing)
2018 Andrew R. Kozlik
2019 Axel Gembe <derago@gmail.com>
2023-2024 Soren Stoutner <soren@debian.org>

https://salsa.debian.org/cryptocoin-team/electrum/-/blob/master/ debian/copyright?ref_type=heads

There is also an AUTHORS file that lists contributors. Not all of
them are included in debian/copyright because not all of them have
explicit copyright claims in the upstream code.

https://salsa.debian.org/cryptocoin-team/electrum/-/blob/master/ AUTHORS?ref_type=heads

--
Soren Stoutner
soren@debian.org
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