[Libguestfs] New Rust bindings for nbdkit

[Daniel P. Berrangé]

On Mon, Jun 15, 2020 at 08:11:47AM -0600, alan somers wrote:
> On Mon, Jun 15, 2020 at 8:04 AM Daniel P. Berrangé <berrange at redhat.com>
> wrote:
> 
> > On Mon, Jun 15, 2020 at 02:22:32PM +0100, Richard W.M. Jones wrote:
> > > On Thu, Jun 11, 2020 at 04:19:08PM -0600, alan somers wrote:
> > > > The existing Rust bindings for nbdkit aren't very idiomatic Rust, and
> > they
> > > > are missing a lot of features.  So I've rewritten them.  The new
> > bindings
> > > > aren't backwards compatible, but I doubt that's a problem.  Most
> > likely,
> > > > nobody has tried to use them yet, since the crate hasn't even
> > published to
> > > > crates.io.  Please review the attached patch.
> > > > -Alan
> >
> > > Other issues:
> > >
> > >  * The license removed this clause:
> > >
> > >    -// * Neither the name of Red Hat nor the names of its contributors
> > may be
> > >    -// used to endorse or promote products derived from this software
> > without
> > >    -// specific prior written permission.
> > >
> > >    I believe this removal simply makes the license even more
> > >    permissive, so that's fine.  However I will check with our legal
> > >    people.  Also you should add license headers to the new files
> > >    plugins/rust/tests/*.rs.  Essentially every file should have a
> > >    license, and correct licensing is very important to us.
> >
> > This change is replacing 3-clause BSD with 2-clause BSD. Shouldn't cuase
> > any actual difference for consumers, but seems like a needless change to
> > be making.
> 
> My reasoning was that the 2-clause license is preferred for new code (at
> least in every other community where I've active), and this plugin is new
> code.  But I can add the 3rd clause back if libguestfs likes it.

I don't have any opinion on which variant is better.

The important question is whether this new Rust impl was a completely clean
room impl, or whether it started from existing code & then adapted it. If the
latter, then changing the license is bad practice, as is removing existing
Copyright statements.

Regards,
Daniel
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