[Libguestfs] [PATCH libnbd] python: Add AIO buffer is_zero method.

[Martin Kletzander]

On Thu, Jan 30, 2020 at 03:59:07PM +0000, Richard W.M. Jones wrote:
>On Thu, Jan 30, 2020 at 04:16:09PM +0100, Martin Kletzander wrote:
>> I know this probably got answered somewhere, but I've never gotten
>> any when asking myself.  So let me use this opportunity.
>>
>> Because I really despise useless processes and duplicated
>> information I always hated the way all the "mandatory" file headers.
>> As far as I understand it's related to the fact that the file itself
>> used to be the only source of information about where the code came
>> from.  Nowadays we have more information in git.
>>
>> The reason all this is happening is to be able to prove that there
>> is traceable source of the code, right?  I, personally, do not
>> really like when you get couple of lines of repeated information on
>> every start of the tool (`bc` should only ever be ran with `-q` for
>> any sane person).  In my opinion that is never going to help any
>> user.
>>
>> All of this comes down to whether you prove the above if push comes
>> to shove.  GPL talks about the headers and where are all the places
>> you *should* put the copyright notices and license information.  But
>> I think it comes to the "should" and since it is written "to make
>> lawyers more confident" about 30 years ago it might've kept some of
>> the reservations from that era.
>>
>> Finally the question: How much of a problem would it be if we just
>> limited the information in file headers to minimum and pointed
>> people to git history and central license?
>>
>> Sorry for making you read all this, but I feel like you're very
>> knowledgeable and I struggle with this on a regular basis, so some
>> consensus would help me.
>
>Questions of a legal nature should be addressed to and answered by
>lawyers, but it's my current understanding that we need the
>boilerplate in files to make a cast iron assertion of copyright,
>licensing and warranty conditions.  Until a lawyer (from RH Legal in
>this case) tells me otherwise, I'm afraid we need to keep the
>boilerplate.
>

And I understand that is probably the reason nobody can really reply with a
clean answer to this.  Yeah, you're right, sorry for my rant.  To make up for
the time wasted (and to regain my sanity in this matter) I will try to seek a
proper legal answer to this question.

>Rich.
>
>-- 
>Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
>Read my programming and virtualization blog: http://rwmj.wordpress.com
>Fedora Windows cross-compiler. Compile Windows programs, test, and
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