Re: pg_rewind, a tool for resynchronizing an old master after failover

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Simon Riggs <simon(at)2ndQuadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, pjw(at)rhyme(dot)com(dot)au
Subject: Re: pg_rewind, a tool for resynchronizing an old master after failover
Date: 2013-05-28 18:55:43
Message-ID: 20130528185543.GC26645@awork2.anarazel.de
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On 2013-05-28 14:50:57 -0400, Bruce Momjian wrote:
> On Tue, May 28, 2013 at 08:37:44PM +0200, Andres Freund wrote:
> > On 2013-05-28 14:32:07 -0400, Bruce Momjian wrote:
> > > > We have a lot of code in PostgreSQL source tree with different
> > > > copyright notices, and there's no problem with that as long as the
> > > > coe is licensed under the PostgreSQL license. For patches that add
> > >
> > > Really? Where? I think we have removed them all, as far as I know.
> > > A quick grep shows:
> > >
> > > $ grep -r 'Portions Copyright'|egrep -v 'Global|Regents'
> > > ./src/backend/regex/regexport.c: * Portions Copyright (c) 1998, 1999 Henry Spencer
> > > ./src/backend/regex/regprefix.c: * Portions Copyright (c) 1998, 1999 Henry Spencer
> > > ./src/include/regex/regexport.h: * Portions Copyright (c) 1998, 1999 Henry Spencer
> > > ./src/include/getopt_long.h: * Portions Copyright (c) 1987, 1993, 1994
> > > ./src/bin/pg_dump/pg_backup_directory.c: * Portions Copyright (c) 2000, Philip Warner
> > > ./src/port/getopt_long.c: * Portions Copyright (c) 1987, 1993, 1994
> > > ./src/port/getopt_long.c: * Portions Copyright (c) 2003
> >
> > Just remove the "Portions" part from your grep, and you will see quite
> > some more...
>
> Oh, I see. Have we historically been OK with these as long as it is
> clear it is the PG copyright? I know we had do some cleanups in the
> past, but I don't remember the details, obviously.

I don't see a problem with a different copyrights as long as the
licenses are compatible. I remember code getting (re-)moved because it
was GPL, which is a different thing to having a different copyright.

I don't have a all that wide look over the history though.

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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